[go: up one dir, main page]

WO2016067387A1 - Procédé de fabrication d'articles adsorbants et dispositif de production - Google Patents

Procédé de fabrication d'articles adsorbants et dispositif de production Download PDF

Info

Publication number
WO2016067387A1
WO2016067387A1 PCT/JP2014/078755 JP2014078755W WO2016067387A1 WO 2016067387 A1 WO2016067387 A1 WO 2016067387A1 JP 2014078755 W JP2014078755 W JP 2014078755W WO 2016067387 A1 WO2016067387 A1 WO 2016067387A1
Authority
WO
WIPO (PCT)
Prior art keywords
cutter unit
region
cutter
back side
continuous
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2014/078755
Other languages
English (en)
Japanese (ja)
Inventor
聡 浜田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unicharm Corp
Original Assignee
Unicharm Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unicharm Corp filed Critical Unicharm Corp
Priority to PCT/JP2014/078755 priority Critical patent/WO2016067387A1/fr
Priority to JP2015510541A priority patent/JP5779737B1/ja
Publication of WO2016067387A1 publication Critical patent/WO2016067387A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies

Definitions

  • the present invention relates to a method for manufacturing absorbent articles such as disposable diapers and a manufacturing apparatus.
  • disposable diapers are known as absorbent articles that absorb excrement such as urine.
  • the diaper generally has an abdominal part, a crotch part, and a dorsal part, and the abdominal part and the dorsal part are respectively a high stretch region and a low stretch region that is less stretchable than the high stretch region. And have.
  • one wide continuous sheet 20s' is generally conveyed as a material for the abdomen and the back.
  • the wide continuous sheet 20s ′ includes abdominal elastic members 27as ′, 27as ′,... Continuous in the conveying direction, and back elastic members 27bs ′, 27bs ′, which are also continuous in the conveying direction.
  • abdominal elastic members 27as ′, 27as ′,... Continuous in the conveying direction and back elastic members 27bs ′, 27bs ′, which are also continuous in the conveying direction.
  • the unit 50U ′ moves into the low expansion / contraction region ALa ′ on the stomach side of the wide continuous sheet 20s ′.
  • the abdomen elastic member 27as ′ and the dorsal elastic member 27bs ′ are respectively cut to widen
  • the low stretch region ALa ′ on the ventral side and the low stretch region ALb ′ on the back side are formed on the continuous sheet 20s ′.
  • the wide continuous sheet 20s ′ is passed through a slitter device 40 ′ located downstream of the cutter unit 50U ′ and divided into two in the CD direction, whereby the abdominal continuum 20as ′ and the back side Part continuum 20bs ′ is generated side by side in the CD direction.
  • the absorbent main body 10 'as the crotch part is stretched over and fixed to these two continuous bodies 20as' and 20bs ', thereby generating a substantially ladder-like continuous body 1s'.
  • the ladder-like continuous body 1s ′ is sequentially subjected to a bi-folding process (not shown), a side seal process, a cutting process at a product pitch, and the like, so that a disposable diaper is finally completed.
  • the above-described single cutter unit 50U ′ has, for example, one cutter rotating body 51u ′ such as a cutter roll and an anvil rotating body 51d ′ such as an anvil roll that rotate with their outer peripheral surfaces facing each other. is doing.
  • a plurality of cutter blades Ca ′ for cutting the belly side elastic member 27as ′ are provided in a predetermined pattern on the outer peripheral surface of the cutter rotating body 51u ′.
  • a plurality of cutter blades Cb ′ for cutting the side elastic members 27bs ′ are provided in a predetermined pattern.
  • both the former cutter blade Ca ′ and the latter cutter blade Cb ′ are provided on the same cutter rotating body 51u ′, so that vibrations at the time of cutting are opposed to each other. There is a risk of affecting the cutting. This can lead to problems such as poor cutting performance and a shortened lifetime.
  • the present invention has been made in view of the above-described conventional problems, and the purpose of the present invention is to generate each vibration generated when cutting the elastic member for the ventral part and the elastic member for the dorsal part. It is to prevent each other from affecting the other party's disconnection.
  • the main invention for achieving the above object is: An absorptive article which has an abdominal side part and a back side part, and the abdominal side part and the back side part respectively have a high expansion / contraction area and a low expansion / contraction area lower in elasticity than the high expansion / contraction area.
  • the continuous sheet continuous in the predetermined direction to which the elastic member for the back side continuous in the predetermined direction is fixed passes through the cutter unit for the back side with the predetermined direction as the transport direction, the back side Forming a low expansion / contraction region of the back side portion by cutting the elastic member in a region corresponding to the low
  • An absorptive article which has an abdominal side part and a back side part, and the abdominal side part and the back side part respectively have a high expansion / contraction area and a low expansion / contraction area lower in elasticity than the high expansion / contraction area.
  • Manufacturing equipment It has a cutter unit for the abdominal side having a cutter rotating body and an anvil rotating body that rotate to face each other's outer peripheral surface, A backside cutter unit having a cutter rotating body and an anvil rotating body that rotate to face each other's outer peripheral surface separately from the ventral side cutter unit,
  • a backside cutter unit having a cutter rotating body and an anvil rotating body that rotate to face each other's outer peripheral surface separately from the ventral side cutter unit,
  • FIG. 5A is a cross-sectional view taken along line AA in FIG. 3
  • FIG. 5B is a cross-sectional view taken along line BB in FIG.
  • FIG. 6 is a sectional view taken along line VI-VI in FIG. 3. It is the schematic plan view which looked at the ventral belt member 20a from the non-skin side.
  • FIG. 12A is a schematic side view of the ventral portion cutter device 50
  • FIG. 12B is a view taken along the line BB in FIG. 12A. It is explanatory drawing of an example of the arrangement pattern of cutter blade C, C ... provided in the cutter block 54 of the cutter roll 51u.
  • 14A and 14B are schematic plan views showing the processing contents of the back side rubber thread cutting step S60.
  • FIG. 15A is a schematic side view of the dorsal portion cutter device 60
  • FIG. 15B is a view taken along the line BB in FIG. 15A.
  • 20A and 20B are explanatory diagrams of an example in which each thread rubber continuous body 27s is cut at one position PC in the rotation direction Dc51u in the area AL1 corresponding to the non-stretchable area AL.
  • An absorptive article which has an abdominal side part and a back side part, and the abdominal side part and the back side part respectively have a high expansion / contraction area and a low expansion / contraction area lower in elasticity than the high expansion / contraction area.
  • a ventral side cutter unit having a cutter rotating body and an anvil rotating body is prepared, and a back side cutter having a cutter rotating body and an anvil rotating body is prepared.
  • the unit is prepared separately from the ventral cutter unit.
  • the abdominal side cutter unit cuts the abdominal side elastic member
  • the back side portion cutter unit cuts the back side elastic member. Therefore, a problem that may occur when both the elastic member for the ventral part and the elastic member for the dorsal part are cut with the single cutter unit described above, that is, the elastic member for the ventral part and the dorsal part It is possible to prevent each vibration generated when cutting each of the elastic members from affecting each other's cutting.
  • a method of manufacturing such an absorbent article Transporting in the transport direction by a transport device a wide continuous sheet in which both the elastic member for the ventral side part and the elastic member for the back side part are fixed and continuous in the transport direction;
  • the slitter device disposed on the upstream side in the transport direction from both the abdomen side cutter unit and the back side cutter unit, the slitter device is By dividing the continuous sheet in the CD direction intersecting the transport direction, the continuous sheet supplied to the abdomen side cutter unit and the continuous sheet supplied to the back side cutter unit It is desirable to have
  • the abdomen-side cutter unit and the dorsal-side cutter unit perform the cutting process of the elastic member on different continuous sheets. Further, the dimension in the CD direction of each continuous sheet is reduced by the above division. Therefore, the dimension in the CD direction of each of the abdomen side cutter unit and the back side cutter unit can be shortened, whereby each cutter unit can be easily arranged at an arbitrary position. As a result, each cutter unit can be easily arranged at a position where vibration during cutting does not affect each other's cutting.
  • a method of manufacturing such an absorbent article When the continuous sheet passes along the conveyance direction between the cutter rotating body and the anvil rotating body, the cutter blade on the outer peripheral surface of the cutter rotating body and the anvil rotating body are the continuous sheet. And the elastic member, the elastic member is cut,
  • the cutter rotator and the anvil rotator are each rotatably supported by bearing members at both ends in the CD direction, In the cutter rotating body, the dimension in the CD direction of the body portion located between the bearing members, and in the anvil rotating body, the dimension in the CD direction of the body portion located between the bearing members. It is desirable that each of the wide continuous sheets is smaller than the dimension in the CD direction.
  • the abdomen side cutter unit has a drive source for rotating at least one of the cutter rotator and the anvil rotator of the abdomen side cutter unit
  • the back side cutter unit has a drive source for rotating at least one of the cutter rotating body and the anvil rotating body of the back side cutter unit separately from the drive source. It is desirable to do.
  • the abdomen side cutter unit and the dorsal side cutter unit rotate at least one of the cutter rotator and the anvil rotator, respectively.
  • a method of manufacturing such an absorbent article It is desirable that the abdomen side cutter unit and the dorsal side cutter unit are arranged at different positions in the CD direction intersecting the transport direction.
  • the abdomen side cutter unit and the dorsal side cutter unit are arranged at different positions in the CD direction. Therefore, it can prevent more reliably that the vibration which arises at the time of the cutting
  • a method of manufacturing such an absorbent article It is desirable that the abdomen side cutter unit and the dorsal side cutter unit are arranged at different positions in the transport direction.
  • the abdomen side cutter unit and the dorsal side cutter unit are arranged at different positions in the transport direction. Therefore, it can prevent more reliably that the vibration which arises at the time of the cutting
  • the elastic members are provided at a plurality of positions in the CD direction, respectively.
  • the region where the number of positions where the elastic member is cut is the first region, and the region with the smaller number is the first region.
  • the first cutter unit in charge of the first region is more in the transport direction than the second cutter unit in charge of the second region. Is located downstream of the At a position downstream of the first cutter unit in the transport direction, the absorbent main body that absorbs liquid is fixed over the low expansion / contraction region of the belly side and the low expansion / contraction region of the back side. It is desirable to do.
  • the first region tends to greatly extend in the transport direction due to the large number of positions to be cut.
  • the first cutter unit in charge of is disposed on the downstream side in the transport direction with respect to the second cutter unit. Therefore, the absorptive main body can be fixed to the first region before the elongation becomes so large, and thus the absorptive main body can be attached to the first region with high positional accuracy.
  • a method of manufacturing such an absorbent article It is desirable to cut the ventral side cutter unit and the dorsal side cutter unit when the other party does not cut each other.
  • An absorptive article which has an abdominal side part and a back side part, and the abdominal side part and the back side part respectively have a high expansion / contraction area and a low expansion / contraction area lower in elasticity than the high expansion / contraction area.
  • Manufacturing equipment It has a cutter unit for the abdominal side having a cutter rotating body and an anvil rotating body that rotate to face each other's outer peripheral surface, A backside cutter unit having a cutter rotating body and an anvil rotating body that rotate to face each other's outer peripheral surface separately from the ventral side cutter unit,
  • a backside cutter unit having a cutter rotating body and an anvil rotating body that rotate to face each other's outer peripheral surface separately from the ventral side cutter unit,
  • FIG. 2 is a schematic perspective view of a three-piece type diaper 1 as an example of the diaper 1.
  • 3 is a schematic plan view of the unfolded diaper 1 as seen from the skin side
  • FIG. 4 is a schematic plan view of the diaper 1 as seen from the non-skin side.
  • 5A is a sectional view taken along line AA in FIG. 3
  • FIG. 5B is a sectional view taken along line BB in FIG. 3
  • FIG. 6 is a sectional view taken along line VI-VI in FIG.
  • the diaper 1 has a vertical direction, a horizontal direction, and a thickness direction as three directions orthogonal to each other. Moreover, since the diaper 1 is what is called a three-piece type, it has the absorptive main body 10 which is applied to a wearer's crotch part and absorbs excrement, such as urine, as a 1st component, The back side belt member 20a (corresponding to the abdomen side) covering the wearer's torso from the abdominal side, and as the third part, the back side band member 20b (back side) covering the wearer's torso from the back side Part).
  • the back side belt member 20a (corresponding to the abdomen side) covering the wearer's torso from the abdominal side
  • the back side band member 20b back side covering the wearer's torso from the back side Part.
  • the abdominal band member 20a and the dorsal band member 20b are arranged in parallel with a space between each other, while the absorbent main body 10 is stretched between them.
  • End portions 10ea and 10eb in the longitudinal direction of the absorbent main body 10 are bonded and fixed to the nearest belt members 20a and 20b, respectively, and the external shape is substantially H-shaped in plan view.
  • the diaper 1 is folded in two with the substantially central portion CL10 in the longitudinal direction of the absorbent main body 10 as the folding position, and the belt members 20a, 20b facing each other in the folded state are worn by the wearer.
  • a pants-type diaper 1 in which a waist opening 1HB and a pair of leg openings 1HL, 1HL are formed as shown in FIG.
  • the absorptive main body 10 has the absorptive core 11, the liquid-permeable surface sheet 13 which covers the same core 11 from the skin side, and makes the skin side surface of the absorptive main body 10, and the said core 11 A liquid-impermeable back sheet 15 that covers the non-skin side and forms the non-skin side surface of the absorbent main body 10.
  • the absorbent core 11 is formed by molding a liquid absorbent material such as pulp fiber or a super absorbent polymer as an example of a liquid absorbent fiber into a predetermined shape such as a substantially hourglass shape in plan view.
  • the core 11 is covered with the liquid-permeable covering sheet 12, but it may not be covered.
  • the absorptive main body 10 may have the solid gathers LSG and LSG as a leak-proof wall part in each edge part of a horizontal direction in order to prevent a side leak.
  • elastic members 17r such as rubber thread are arranged on both sides of the absorbent main body 10 in the lateral direction, so that it corresponds to the leg openings 1HL and 1HL of the diaper 1 as shown in FIG.
  • Stretchable leg gathers LG, LG may be formed on the portion to be stretched.
  • the abdominal band member 20a and the dorsal band member 20b are respectively sheet-like members having a substantially rectangular shape in plan view that are long in the lateral direction, and as shown in FIGS. It has an outer layer sheet 21 and an inner layer sheet 22 laminated in the thickness direction.
  • the inner layer sheet 22 is located on the skin side in the thickness direction with respect to the outer layer sheet 21.
  • both the sheets 21 and 22 are formed with flexible sheets, such as a nonwoven fabric, and the spun bond nonwoven fabric is used in this example.
  • the present invention is not limited to this, and another type of non-woven fabric may be used, or a resin film or woven fabric may be used.
  • a single fiber of polypropylene (PP) is used as a constituent fiber of the nonwoven fabric.
  • PP polypropylene
  • the present invention is not limited to this, and a single fiber of other thermoplastic resin such as polyethylene (PE) may be used.
  • PE polyethylene
  • a composite fiber such as a sheath core structure of PE and PP may be used.
  • central regions 20ac and 20bc in the lateral direction of the band members 20a and 20b are overlapped and joined to the non-skin side surfaces of the longitudinal ends 10ea and 10eb of the absorbent main body 10.
  • both the outer layer sheet 21 and the inner layer sheet 22 are separate sheets, but the present invention is not limited to this.
  • both the outer layer sheet 21 and the inner layer sheet 22 described above may be formed from the single sheet by folding the single sheet into two sheets.
  • the belt members 20a and 20b are provided with lateral stretchability so that the belt members 20a and 20b can hold the wearer's torso firmly when the diaper 1 is worn.
  • the band members 20a and 20b In particular, in the regions 20ac and 20bc overlapping the absorbent core 11 of the absorbent main body 10, a non-stretchable region AL having almost no stretchability is formed.
  • ventral belt member 20a will be mainly described, and the back side band member 20b will be described as necessary, and will be basically omitted.
  • the ventral belt member 20a will be described below by dividing it into two regions AU and AD in the vertical direction. That is, the area AU located on the waistline opening 1HB side in the vertical direction is referred to as “upper area AU”, and the area AD located on the leg circumference opening 1HB side is referred to as “lower area AD”.
  • the absorbent core 11 of the absorbent main body 10 does not substantially overlap the upper region AU. Therefore, the region AU is given stretchability over the entire length in the lateral direction.
  • the provision of stretchability is realized by a plurality of thread rubbers 25s, 25s,... Arranged in the horizontal direction in the laterally extended state and fixed in the same area AU in the vertical direction.
  • the thread rubber 25s is fixed to the area AU by, for example, the thread rubber 25s or a hot melt adhesive applied to the area AU.
  • examples of the fineness of the thread rubber 25s include 400 dtex to 1000 dtex, and specific examples of the thread rubber 25s include LYCRA (trademark). This also applies to the rubber thread 27 provided in the lower region AD described later.
  • the central region ADc has a non-stretchable region AL that has almost no lateral stretchability. (Corresponding to a low expansion / contraction region) is formed, and since the absorbent core 11 does not substantially overlap the end side regions ADe, ADe located on both sides of the central region ADc, the end side region ADe , ADe are formed with stretchable areas AH, AH (corresponding to high stretchable areas) having higher stretchability than the non-stretchable area AL.
  • the non-stretchable region AL of the central region ADc and the stretchable regions AH, AH of the end regions ADe, ADe are formed as follows. First, as shown in FIG. 8, between the outer layer sheet 21 and the inner layer sheet 22, a plurality of thread rubbers 27s, 27s,... ing. Each thread rubber 27s is fixed to the lower region AD with a hot melt adhesive or the like over substantially the entire length in the lateral direction. However, as shown in FIG. 7, in the area AL1 corresponding to the non-expandable area AL of the central area ADc, the rubber threads 27s, 27s... At a plurality of positions PC, PC.
  • the region AL1 is a non-stretchable region AL that has almost no stretchability.
  • the rubber thread 27s is not cut, so that the region AH1 is separated from the elastic region AH having elasticity from the rubber thread 27s. It has become.
  • a plurality of bullet marks TC, TC,... Remain in the central area ADc with the above cut pattern as each thread rubber 27s is cut.
  • the cut pattern is different between the abdominal band member 20a and the back band member 20b, but the present invention is not limited to this and may be the same.
  • FIG. 9 is an explanatory diagram of a manufacturing method of the diaper 1.
  • This manufacturing method includes a slitting step S40, a ventral side rubber thread cutting step S50, a back side thread rubber cutting step S60, an absorbent main body attaching step S70, a bi-folding step S80, a side sealing step S90, Cutting step S100.
  • the wide continuous sheet 20s that is the material of the ventral band member 20a and the back band member 20b is divided into two in the width direction, and the continuum 20as of the ventral band member in which the rubber thread 27s is not cut,
  • the continuous rubber 20s of the back side belt member in which the same rubber thread 27s is not cut is generated.
  • the continuous body 20as of the abdominal band member in which the thread rubber 27s is not cut is a sheet-like member 20as in which a plurality of abdominal band members 20a, 20a,.
  • the back belt member continuous body 20bs is a sheet-like member 20bs formed by connecting a plurality of back belt members 20b, 20b,.
  • the ventral side rubber thread cutting step S50 when the continuous body 20as of the ventral belt member sent from the slitting step S40 passes, the thread rubber 27s is cut into a shape in a region AL1 corresponding to the non-stretchable region AL of the continuous body 20as.
  • the non-stretchable region AL is formed in the continuum 20as.
  • the thread rubber 27s is cut into pieces in the area AL1 corresponding to the non-stretchable area AL in the continuous body 20bs. In this way, the non-stretchable region AL is formed in the continuous body 20bs.
  • the single-sheet absorbent main body 10 generated in a separate step (not shown) between the continuous members 20as and 20bs of the respective band members sent from the respective thread rubber cutting steps S60 and S70. , So that a substantially ladder-like diaper continuum 1hs is formed, in which diapers 1h, 1h,.
  • the substantially ladder-shaped diaper continuum 1hs is folded in half so that the continuum 20as of the ventral band member and the continuum 20bs of the dorsal band member overlap vertically.
  • the abdominal belt member continuum 20as and the back belt member continuum 20bs that are vertically stacked in the bi-folding step S80 are placed at positions corresponding to the lateral ends 20ae, 20be of the diaper 1.
  • the side seal portion SS is formed by welding and is fixed in a folded state. As a result, a continuous body 1s of a pant-type diaper is generated in which a plurality of pant-type diapers 1, 1,.
  • the pants-type diaper continuum 1s is cut by the side seal portions SS, whereby the pants-type diaper 1 is manufactured.
  • each step S40 to S60 will be described in detail.
  • each step S70 to S100 after the absorbent main body attaching step S70 can be appropriately realized by a well-known method. Don't do it.
  • the CD direction and the MD direction perpendicular to each other are defined in the manufacturing line 30 for carrying out this manufacturing method.
  • the above-mentioned wide continuous sheet 20s, the continuous body 20as of the abdominal band member, and the continuous body 20bs of the back side belt member are aligned in the MD direction while aligning their width direction in parallel with the CD direction. It is transported along. Therefore, the MD direction is also a conveyance direction that is a direction in which the wide continuous sheet 20s, the continuum 20as of the abdominal band member, and the continuum 20bs of the back side band member are conveyed.
  • the wide continuous sheet 20s, the continuous body 20as of the abdominal band member, and the continuous body 20bs of the back side belt member are each transported along the MD direction.
  • the conveying device include a conveying roller that is driven or driven to rotate around a rotation axis along the CD direction, a belt conveyor around which an endless belt looped around a roller along the CD direction, and the like. At 30, any one of the conveying devices is used as required.
  • the aforementioned wide continuous sheet 20s is sent to the slitting step S40 from the upstream step in the MD direction.
  • the wide continuous sheet 20s includes a continuous body 20as of the ventral band member in which the rubber thread 27s is not cut and a continuous body 20bs of the back band member in which the rubber thread 27s is not cut in the CD direction. It is connected to. That is, the wide continuous sheet 20s includes a plurality of thread rubber continuous bodies 25s, 25s... Between a continuous sheet 21s (corresponding to a continuous sheet) of an outer layer sheet and a continuous sheet 22s (corresponding to a continuous sheet) of an inner layer sheet.
  • a plurality of thread rubber continuums 27s, 27s,... are composite sheets in which both continuous sheets 21s, 22s are joined.
  • the plurality of thread rubber continuums 27 s, 27 s... Are arranged side by side in the CD direction while extending along the MD direction and extending along the MD direction.
  • the one side area A20s1 in the CD direction of the wide continuous sheet 20s corresponds to the abdominal band member continuous body 20as
  • the other side area A20s2 corresponds to the back side band member continuous body 20bs.
  • the end region A20s1e and the center region A20s1c in the CD direction in the former one region A20s1 correspond to the upper region AU and the lower region AD of the ventral belt member 20a, respectively, and similarly, the other side of the latter In the region A20s2, the region A20s2e on the end side in the CD direction and the region A20s2c on the center side correspond to the upper region AU and the lower region AD of the back side band member 20b, respectively. Therefore, in the regions A20s1e, A20s2e on each end side in the CD direction, the plurality of thread rubber continuums 25s, 25s... Are fixed with a hot-melt adhesive over substantially the entire length in the MD direction. On the other hand, a plurality of thread rubber continuums 27s, 27s,... Described above are fixed to the central regions A20s1c and A20s2c in the CD direction by a hot melt adhesive over substantially the entire length in the MD direction.
  • such a wide continuous sheet 20s is divided into two at the boundary position BL between the one side area A20s1 and the other side area A20s2 in the CD direction.
  • a continuous body 20as of the abdomen band member in a cut state and a continuous body 20bs of a back side band member in which the rubber thread 27s is not cut are generated side by side in the CD direction.
  • Such a two-part process can be performed using a known slitter device 40. That is, the apparatus 40 has, for example, a pair of upper and lower disk-shaped rotary blades, and divides the wide continuous sheet 20s into two in the CD direction with the cutting edge of the outer peripheral edge of the rotary blade. 40 is well known. Therefore, further explanation is omitted.
  • ⁇ Ventral part thread rubber cutting process S50 >>>
  • the ventral part rubber thread cutting step S50 in the region AL1 corresponding to the non-stretchable region AL, as shown in FIG. 11B, in the region AL1 corresponding to the non-stretchable region AL, as shown in FIG. While the rubber continuous body 27s is cut into small pieces, the thread rubber continuous body 27s is not cut in the region AH1 corresponding to the stretchable region AH.
  • the non-stretchable region AL and the stretchable region AH are formed in the continuum 20as of the ventral band member.
  • the area AL1 corresponding to the non-stretchable area AL appears at the product pitch P1 of the diaper 1 in the MD direction. Therefore, the cutting process in the form of chopped pieces is performed at the product pitch P1 of the diaper 1 with respect to the continuum 20as of the ventral band member.
  • FIG. 12A is a schematic side view of the apparatus 50
  • FIG. 12B is a view taken along the line BB in FIG. 12A. *
  • the cutter device 50 includes a pair of upper and lower rolls 51u and 51d that rotate around a rotation axis along the CD direction and a rubber rubber continuum 27s, with the outer peripheral surfaces 51ua and 51da facing each other. , 27s... And a housing 55 for receiving a reaction force of cutting acting on the rolls 51u and 51d at the time of cutting, as a ventral side cutter unit 50U.
  • the pair of upper and lower rolls 51u and 51d are supported by bearing members 52u and 52d provided in the housing 55, respectively, so that they can rotate around a rotation axis parallel to the CD direction.
  • the bearing member 52d of the lower roll 51d is fixed to the housing 55 so as not to move.
  • the bearing member 52u of the upper roll 51u is fixed by an appropriate actuator 53 such as a hydraulic cylinder or an air cylinder fixed to the housing 55.
  • the upper and lower rolls 51d can be moved up and down in the vertical direction. Therefore, by controlling the actuator 53, the size of the space between the outer peripheral surfaces 51ua and 51da of the pair of upper and lower rolls 51u and 51d and the size of the pressure contact force (N) as the force in the contact / separation direction can be adjusted. It has become.
  • each roll 51u, 51d is driven and rotated around the rotation axis by a servo motor (not shown) as a drive source. That is, the rotation is performed with the directions orthogonal to the rotation axis as the rotation directions Dc51u and Dc51d. Therefore, the continuous body 20as of the abdominal belt member fed between the outer peripheral surfaces 51ua and 51da of the pair of upper and lower rolls 51u and 51d passes between the outer peripheral surfaces 51ua and 51da and is sent downstream in the MD direction. It is.
  • the upper roll 51u is a cutter roll (corresponding to a cutter rotating body), and the lower roll 51d is an anvil roll (corresponding to an anvil rotating body). That is, at least one cutter block 54 is provided on the outer peripheral surface 51ua of the upper roll 51u at every angle corresponding to the product pitch P1 of the diaper 1 in the rotation direction Dc51u. Specifically, in this example, as indicated by hatching in FIG. 10A, two cutter blocks 54 and 54 are provided at an angle of 180 ° in the rotation direction Dc51u. Further, each cutter block 54 is formed with a plurality of cutter blades C, C..., And the outer peripheral surface 51da of the lower roll 51d as an anvil roll is smooth to receive the cutter blades C, C.
  • these rolls 51u, 51d are controlled to rotate in conjunction with the conveying operation of the abdominal band member continuous body 20as based on, for example, a synchronization signal, and thereby correspond to the non-stretchable region AL.
  • the cutter roll 51u rotates so that the cutter block 54 faces the area AL1.
  • the area AL1 is the cutter block 54 of the cutter roll 51u.
  • the cutter blades C, C... And the outer peripheral surface 51da of the anvil roll 51d are clamped.
  • the thread rubber continuums 27s, 27s,... Are cut at the clamped positions PC, whereby the thread rubber 27s in the region AL1 corresponding to the non-stretchable region AL is cut into pieces (not shown). Is done.
  • FIG. 13 is an explanatory diagram of an example of an arrangement pattern of the cutter blades C, C... Provided on the cutter block 54 of the cutter roll 51u, and shows the outer peripheral surface 51ua of the roll 51u expanded on a plane. is there.
  • thread rubber continuums 27s, 27s,... are also virtually shown by two-dot chain lines.
  • the cutter block 54 is provided with a plurality of cutter blades C, C... Further, these cutter blades C, C... Are provided in an arrangement pattern corresponding to the aforementioned cut pattern.
  • a plurality of cutter blade rows GC, GC,... Composed of a plurality of cutter blades C, C,... Arranged in the rotation direction Dc51u are arranged in a row in the CD direction.
  • Each thread rubber continuum 27s is associated with at least one row of cutter blades GC. Therefore, each thread rubber continuous body 27s can be cut at a plurality of positions PC, PC... (See FIG. 11B) in the rotation direction Dc51u in the region AL1 corresponding to the non-stretchable region AL.
  • the continuous thread rubber 27s located in the area AL1 can be cut into small pieces.
  • the arrangement pattern is not limited to the example of FIG. That is, other arrangement patterns may be applied as long as the rubber thread continuous body 27s can be cut at a plurality of positions PC in the rotational direction Dc51u.
  • the cutter roll 51u also has side rings 51SR and 51SR at each end in the CD direction.
  • Each side ring 51SR, 51SR is an annular protrusion that protrudes in an annular shape from the outer peripheral surface 51da of the cutter roll 51u over the entire circumference in the rotation direction Dc51u.
  • the side rings 51SR and 51SR regulate the positional relationship in the rotational radius direction between the cutting edge of the cutter blade C at the time of cutting and the outer peripheral surface 51da of the anvil roll 51d receiving the cutting edge C to be constant.
  • the blade edge of the cutter blade C is provided so as to be located outward in the rotational radius direction from the outer peripheral surface 51SRa of the side ring 51SR.
  • the above positional relationship may be reversed. That is, the cutting edge of the cutter blade C may be positioned inward in the rotational radius direction from the outer peripheral surface 51SRa of the side ring 51SR as long as the continuous thread rubber 27s can be cut.
  • the outer peripheral surface 51SRa of the side ring 51SR is in contact with the outer peripheral surface 51da of the anvil roll 51d, for example, between 5 ⁇ m and the outer peripheral surface 51ua of the cutter blade C and the outer peripheral surface 51ua of the anvil roll 51d. It is desirable to form a 15 ⁇ m gap.
  • this side ring 51SR is provided in the cutter roll 51u in this example, it is not restricted to this at all. That is, instead of the cutter roll 51u or in addition to the cutter roll 51u, the anvil roll 51d may be provided. Further, if the positional relationship in the contact / separation direction between the cutter blade C and the outer peripheral surface 51da of the anvil roll 51d can be controlled to be constant by controlling the actuator 53 such as a hydraulic cylinder, the side ring 51SR. Is not necessary. In this case, as the actuator 53, a feed screw mechanism capable of position control using a servo motor as a drive source can also be used.
  • the dimension L51db in the CD direction of the roll body portion 51db to be performed is smaller than the dimension L20s in the CD direction of the wide continuous sheet 20s (FIG. 9).
  • the support span of each roll 51u, 51d is shortened. Is planned. Therefore, the bending of the cutter roll 51u and the anvil roll 51d can be suppressed, and as a result, vibration during cutting can be reduced.
  • ⁇ Back side thread rubber cutting step S60 >>>> As shown in FIG. 9, in the back side thread rubber cutting step S60, as shown in FIG. 14B, in the non-stretchable region AL with respect to the continuous body 20bs of the back side band member of FIG. 14A sent from the slit step S40. In the corresponding region AL1, the thread rubber continuum 27s is cut into small pieces, and in the region AH1 corresponding to the stretchable region AH, the thread rubber continuum 27s is not cut. As a result, the non-stretchable region AL and the stretchable region AH are formed in the continuous body 20bs of the back side band member.
  • the area AL1 corresponding to the non-stretchable area AL appears at the product pitch P1 of the diaper 1 in the MD direction. Therefore, such a cutting process is performed at the product pitch P1 of the diaper with respect to the continuous body 20bs of the back band member.
  • FIG. 15A is a schematic side view of the device 60
  • FIG. 15B is a view taken along the line BB in FIG. 15A. *
  • the cutter device 60 includes a pair of upper and lower rolls 61u and 61d that rotate around a rotation axis along the CD direction, with the outer peripheral surfaces 61ua and 61da facing each other, and a continuous rubber thread 27s. , 27s... And a housing 65 for receiving a reaction force of cutting acting on these two rolls 61u and 61d at the time of cutting at 27s.
  • the upper roll 61u is a cutter roll (corresponding to a cutter rotating body)
  • the lower roll 61d is an anvil roll (corresponding to an anvil rotating body).
  • the cutter roll 61u has a cutter block 64, and the cutter block 64 has a plurality of cutter blades C, C,...
  • the back-side cutter device 60 includes bearing members 62u and 62u of the cutter roll 61u, bearing members 62d and 62d of the anvil roll 61d, and an actuator that moves the cutter roll 61u up and down in the contact / separation direction. 63, side rings 61SR, 61SR, etc., but these members are basically the same as the configuration of the same name described in the abdominal side cutter device 50, and the description thereof is omitted. .
  • the dorsal side cutter unit 60U is provided separately from the ventral side cutter unit 50U, in the ventral side cutter unit 50U, the rubber thread relating to the continuum 20as of the ventral side belt member can be obtained. While cutting the continuous body 27s (corresponding to the elastic member for the abdomen), the rubber thread continuous body 27s (the elastic member for the back part) according to the continuous body 20bs of the back band member in the back side cutter unit 60U. Is equivalent). Therefore, the problem described at the beginning of this specification can be prevented. That is, “when a single cutter unit 50U ′ as shown in FIG. 1 cuts both the rubber thread continuum 27as ′ for the abdominal band member and the thread rubber continuum 27bs ′ for the back band member, It is possible to prevent the problem that “vibrations that sometimes occur affect each other's disconnection”.
  • the back side cutter unit 60U uses a servo motor (not shown) as a drive source for rotating the rolls 61u and 61d, and each roll 51u of the ventral side cutter unit 50U. , 51d is provided separately from the servo motor that rotates. Therefore, a problem that may occur when both the abdominal cutter unit 50U and the dorsal cutter unit 60U share the same servomotor, that is, the servomotor or its driving rotational force is assigned to each roll 51u, It is possible to effectively prevent the vibration of one cutter unit 50U (60U) from being transmitted to the other cutter unit 60U (50U) via an appropriate distribution mechanism that distributes to 51d, 61u, and 61d.
  • transmission of the driving rotational force from the driving rotational shaft of the servo motor to the cutter roll 61u is made through a known winding transmission mechanism (not shown) having a pulley and a timing belt
  • transmission of the driving rotational force from the cutter roll 61u to the anvil roll 61d is performed via another winding transmission mechanism (not shown), but the driving rotational force is transmitted from the servo motor to each of the rolls 61u and 61d.
  • the driving rotational force may be transmitted using a gear train formed by meshing a plurality of gears, or a servo motor may be provided for each of the rolls 61u and 61d.
  • the cutter roll 61u may be driven and rotated by a servo motor, and the anvil roll 61d may be a driven rotating roll that is driven by the driving roll force obtained from the cutter roll 61u via the side ring 61SR. This also applies to the abdominal side cutter device 50 described above.
  • the back side cutter unit 60U and the ventral side cutter unit 50U are provided at different positions in the MD direction and the CD direction. More precisely, the MD direction is arranged at a different position when viewed in a plan view. Therefore, it can prevent more reliably that the vibration which arises at the time of the cutting
  • the back side cutter unit 60 ⁇ / b> U is disposed downstream of the abdominal side cutter unit 50 ⁇ / b> U.
  • FIG. 16 is an explanatory diagram showing the plan view. That is, in this example, in the MD direction, the abdomen side cutter unit 50U is arranged on the downstream side of the back side cutter unit 60U. And according to this arrangement, in the subsequent absorbent main body attaching step S70, the abdominal belt member continuous body 20as can be attached to the absorbent main body 10 with higher positional accuracy, thereby As a whole, the dimensional accuracy of the disposable diaper 1 can be increased. Details are as follows.
  • the number of positions PC, PC... Where the rubber thread continuum 27s is cut in the non-stretchable region AL is the continuum 20as of the ventral belt member. Is more than the continuous body 20bs of the back side band member.
  • the number of cut positions PC, PC... Is larger, the belt member continuums 20as, 20bs tend to extend in the MD direction.
  • the ventral belt member The non-stretchable area AL (corresponding to the first area) of the continuum 20as may extend more in the MD direction than the non-stretchable area AL (corresponding to the second area) of the continuum 20bs of the back band member. . *
  • the abdomen side cutter unit 50U (corresponding to the first cutter unit) is more downstream in the MD direction than the back side cutter unit 60U (corresponding to the second cutter unit).
  • the time required from the cutting of the rubber thread continuous body 27s by the abdomen side cutter unit 50U to the absorbent main body attaching step S70 is shortened.
  • the absorptive main body 10 can be fixed to the non-stretchable region AL of the continuum 20as of the ventral belt member before the elongation in the non-stretchable region AL is not so large.
  • the absorptive main body 10 can be attached to the continuum 20as of the ventral belt member with high positional accuracy.
  • the number of cut positions PC, PC... Is larger in the continuum 20as of the ventral band member, but if there are more continuations 20bs of the dorsal band member, the MD direction It is better to reverse the arrangement relationship. That is, as shown in FIG. 9, the back side cutter unit 60 ⁇ / b> U may be arranged on the downstream side in the MD direction from the abdominal side cutter unit 50 ⁇ / b> U.
  • the arrangement relationship between the abdomen side cutter unit 50U and the dorsal side cutter unit 60U is not limited to these two examples. That is, as shown in the schematic plan view of FIG. 17, two cutter units 50U and 60U may be arranged at the same position in the MD direction in plan view. In this example, these two units 50U and 60U are provided adjacent to each other in the CD direction, but may be provided adjacent to each other in the vertical direction in some cases. Further, as in the example of FIG. 17, between the abdomen cutter unit 50U and the dorsal cutter unit 60U, the cutter rolls 51u and 61u are coaxial with each other with an appropriate shaft coupling 110 and are not relatively rotatable.
  • the anvil rolls 51d and 61d may be connected to each other coaxially and in a relatively non-rotatable manner by an appropriate shaft coupling (not shown).
  • the servo motor that rotates the rolls 51u and 61u (or 51d and 61d in addition to them) can be shared by the abdomen cutter unit 50U and the dorsal cutter unit 60U. This can reduce the number of parts.
  • the abdomen side cutter unit 50U and the dorsal side cutter unit 60U should be cut when the other party does not cut each other. And if it becomes like this, it can prevent more effectively that the vibration at the time of a cutting
  • such an operation of shifting the cutting timing can be performed by adjusting the positions of the two cutter units in the MD direction.
  • the separation distance LD in the MD direction between the abdominal side cutter units shown in FIG. 16 (more specifically, the rotating shaft of the cutter roll 51u of the abdominal side cutter unit 50U and the cutter of the back side cutter unit 60U)
  • the length of the transport path of the continuous body 20as (20bs) between the rotation axis of the roll 61u) and a value half the product pitch ( P1 / 2) from a value that is an integral multiple of the product pitch P1.
  • the cutter block 64 (54) of the belt member is continuous with the belt member continuous body 20bs (20as).
  • the cutting timing shifting operation described above can be realized.
  • the value of the separation distance LD is not limited to the value exemplified above. That is, as long as the cutter units 50U and 60U are to be cut when the other party does not cut each other, values other than those exemplified above may be used.
  • FIG. 18 is a schematic plan view for explaining a first modification of the manufacturing method.
  • the abdominal side rubber thread cutting step S50 and the back side rubber thread cutting step S60 are located downstream of the slit process S40 in the MD direction.
  • This first modification is mainly different from the above-described embodiment in that an abdominal side thread rubber cutting step S50 and a back side thread rubber cutting process S60 are located upstream of the slit process S40.
  • the other points are almost the same as those in the above-described embodiment. Therefore, only this difference will be described below, and description of the same configuration will be omitted.
  • the ventral-side cutter unit 50U and the dorsal-side cutter unit 60U are provided upstream of the slitter device 40 in the MD direction so that the steps S50, S60, S40 as described above are arranged. They are arranged in this order in the MD direction. And thereby, the continuous body 27s (not shown in FIG. 18) of the rubber thread for the ventral belt member 20a is cut by the former cutter unit 50U with respect to the wide continuous sheet 20s before being divided in the CD direction, Next, the thread cutter continuous body 27s (not shown in FIG. 18) for the back belt member 20b is cut by the latter cutter unit 60U, and then the wide continuous sheet 20s is divided into two by the slitter device 40. Thus, a continuum 20as of the ventral band member and a continuum 20bs of the dorsal band member are generated.
  • the order of cutting the continuous thread rubber 27s is not limited to the above, and may be reversed.
  • the dimension L51db (L61db) in the CD direction of 51db (61db) is larger than the dimension L20s in the CD direction of the wide continuous sheet 20s.
  • the thread rubber continuous body 27s is not cut into the area AL1 corresponding to the non-stretchable area AL of the back band member 20b.
  • the thread rubber continuous body 27s is not cut in the area AL1 corresponding to the non-stretchable area AL of the ventral belt member 20a. Will pass through the same area AL1.
  • the area AL1 to be passed through passes through each cutter unit 50U (60U), it is desirable that the rolls 51u, 51d (61u, 61d) are not pinched.
  • the cutter roll 51u and the anvil roll 51d of the abdominal-side cutter unit 50U in the non-stretchable region AL related to the back-side belt member 20b in the outer peripheral surface 51ua (51da) of at least one roll 51u (51d).
  • the part facing the corresponding region AL1 is preferably smaller in diameter than the surrounding part, and the cutter roll 61u and the anvil roll 61d of the back side cutter unit 60U are at least one of the rolls 61u (61d).
  • the portion facing the region AL1 corresponding to the non-stretchable region AL related to the ventral belt member 20a is preferably smaller in diameter than the surrounding portion. This also applies to a second modification described later.
  • FIG. 19 is a schematic plan view for explaining a second modification of the manufacturing method.
  • the wide continuous sheet 20s before being divided in the CD direction sequentially passes through both the abdomen side cutter unit 50U and the dorsal side cutter unit 60U.
  • both the abdominal band member continuum 20as and the back band member continuum 20bs that are divided into two by the slitter device 40 and are arranged in the CD direction are respectively abdominal cutter units. It is different in that it passes through both the 50U and the back side cutter unit 60U, and the other points are substantially the same as in the first modification. *
  • both the abdominal band member continuous body 20as and the back side belt member continuous body 20bs are in the CD direction.
  • Both 20bs pass along the MD direction in a state of being aligned in the CD direction.
  • the unit 50U corresponds to the non-stretchable area AL of the continuous body 20as.
  • the unit 60U becomes a non-stretchable region of the continuous body 20bs.
  • the continuous thread rubber 27s is cut in the area AL1 corresponding to AL.
  • each rubber thread continuum 27s as an elastic member is cut at a plurality of positions PC, PC... In the rotational direction Dc51u in the region AL1 corresponding to the non-stretchable region AL (see, for example, FIG. 11B).
  • the thread rubber continuous body 27s is cut into pieces in the same area AL1, but the present invention is not limited thereto.
  • each thread rubber continuous body 27s is cut at one position PC in the rotation direction Dc51u, and the cut thread rubber is continuous.
  • the non-stretchable region AL may be formed by contracting the body 27s toward the region AH1 corresponding to the stretchable region AH.
  • the thread rubber continuum 27s before cutting is a region AL1 corresponding to the non-stretchable region AL so that the cut thread rubber continuum 27s quickly contracts toward the stretchable region AH. Is not bonded with a hot melt adhesive, but is bonded to the region AH1 corresponding to the stretchable region AH with the same adhesive.
  • the thread rubber continuous body 27s is exemplified as the elastic member, but the elastic member is not limited thereto.
  • a belt-like elastic member such as a flat rubber continuous body may be used.
  • the cutter rolls 51u and 61u are illustrated as the cutter rotating body, and the anvil rolls 51d and 61d are illustrated as the anvil rotating body.
  • the present invention is not limited thereto.
  • an endless belt may be used as each of the cutter rotating body and the anvil rotating body.
  • the wide continuous sheet 20s is arranged in the CD direction.
  • the divided continuous sheets 20as and 20bs are shown, and the wide continuous sheet 20s is a sheet having two sheets including an outer layer continuous sheet 21s and an inner layer continuous sheet 22s. It does not have to be a configuration. For example, a single-sheet configuration or three or more configurations may be used.
  • the three-piece type disposable diaper 1 is illustrated as an example of the absorbent article, but the present invention is not limited thereto.
  • a continuous rubber thread 27s as an elastic member fixed to a continuous sheet used in a two-piece disposable diaper is cut with the abdomen side cutter device 50 and the back side cutter device 60 described above. May be.
  • a two-piece type disposable diaper has an outer layer sheet having an abdominal part, a crotch part and a dorsal part as a first part, and has an absorbent main body 10 fixed to the skin side surface of the exterior sheet. It is a type of diaper having as a second part.
  • the above-described continuous sheet of the exterior sheet corresponds to the above-described “continuous sheet to which the elastic member is fixed”, and the slitting step S40 is not necessary.
  • the pants-type disposable diaper 1 is illustrated as an example of the absorbent article, but the present invention is not limited thereto. That is, it may be a tape-type disposable diaper.
  • the tape-type disposable diaper has an abdominal side that covers the wearer's torso from the abdomen side and a back side that covers the torso from the back side. It is a type of diaper that uses a fastening tape to connect.
  • the absorbent article is not limited to the disposable diaper 1 described above. That is, the manufacturing method and the manufacturing apparatus of the present invention can be applied to any absorbent article that uses the above-described “continuous sheet with an elastic member fixed” as a material. Therefore, the concept of this absorbent article includes a urine absorbing pad and a sanitary napkin.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

L'invention concerne un procédé de fabrication d'articles adsorbants, présentant : une étape dans laquelle une unité de coupe de section latérale d'estomac (50U) et une unité de coupe de section arrière (60U) sont préparées, lesdites unités de coupe ayant un corps de coupe rotatif et un corps d'enclume rotatif qui ont des surfaces circonférentielles externes se faisant mutuellement face et qui tournent; une étape dans laquelle une zone à faible élasticité pour une section latérale d'estomac est formée en résultat de la découpe par l'unité de coupe de la section latérale d'estomac (50U) d'un élément élastique dans une zone correspondant à la zone à faible élasticité pour la section latérale d'estomac en une feuille continue qui se prolonge dans une direction prescrite et a l'élément élastique pour la section latérale d'estomac fixé à celui-ci, lorsque la feuille continue passe l'unité de coupe de la section latérale d'estomac (50U), ayant la direction prescrite comme direction de transport, ledit élément élastique se prolongeant dans la direction prescrite; et une étape dans laquelle une zone à faible élasticité pour la section arrière est formée, comme résultat de la découpe par l'unité de coupe de la section arrière (60U) d'un élément élastique pour la section arrière, dans une zone correspondant à la zone à faible élasticité pour la section arrière en une feuille continue qui se prolonge dans la direction prescrite et présente l'élément élastique fixé à celui-ci, lorsque la feuille continue passe l'unité de coupe de la section arrière (60U), ayant la direction prescrite comme direction de transport, ledit élément élastique se prolongeant dans la direction prescrite.
PCT/JP2014/078755 2014-10-29 2014-10-29 Procédé de fabrication d'articles adsorbants et dispositif de production Ceased WO2016067387A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2014/078755 WO2016067387A1 (fr) 2014-10-29 2014-10-29 Procédé de fabrication d'articles adsorbants et dispositif de production
JP2015510541A JP5779737B1 (ja) 2014-10-29 2014-10-29 吸収性物品の製造方法、及び製造装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/078755 WO2016067387A1 (fr) 2014-10-29 2014-10-29 Procédé de fabrication d'articles adsorbants et dispositif de production

Publications (1)

Publication Number Publication Date
WO2016067387A1 true WO2016067387A1 (fr) 2016-05-06

Family

ID=54192793

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/078755 Ceased WO2016067387A1 (fr) 2014-10-29 2014-10-29 Procédé de fabrication d'articles adsorbants et dispositif de production

Country Status (2)

Country Link
JP (1) JP5779737B1 (fr)
WO (1) WO2016067387A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10966874B2 (en) 2016-12-20 2021-04-06 The Procter & Gamble Company Absorbent article(s) chassis comprising beamed elastics
US11129753B2 (en) 2017-09-01 2021-09-28 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates
US11147718B2 (en) 2017-09-01 2021-10-19 The Procter & Gamble Company Beamed elastomeric laminate structure, fit, and texture
US11547613B2 (en) 2017-12-05 2023-01-10 The Procter & Gamble Company Stretch laminate with beamed elastics and formed nonwoven layer
US11819393B2 (en) 2019-06-19 2023-11-21 The Procter & Gamble Company Absorbent article with function-formed topsheet, and method for manufacturing
US11925537B2 (en) 2017-09-01 2024-03-12 The Procter & Gamble Company Beamed elastomeric laminate structure, fit, and texture
US11969325B2 (en) 2018-01-25 2024-04-30 The Procter & Gamble Company Absorbent article with function-formed topsheet, and method for manufacturing
US12053357B2 (en) 2019-06-19 2024-08-06 The Procter & Gamble Company Absorbent article with function-formed topsheet, and method for manufacturing
US12268579B2 (en) 2020-03-13 2025-04-08 The Procter & Gamble Company Beamed elastomeric laminate performance and zones

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110087595B (zh) * 2016-08-31 2021-10-08 尤妮佳股份有限公司 用于制造用于吸收性物品的片状构件的方法和装置
WO2018061206A1 (fr) * 2016-09-30 2018-04-05 ユニ・チャーム株式会社 Procédé de fabrication d'un article absorbant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008029749A (ja) * 2006-07-31 2008-02-14 Daio Paper Corp 紙おむつ並びに紙おむつの製造方法及びこれに用いるカッターロール装置
JP2011178124A (ja) * 2010-03-03 2011-09-15 Kao Corp 複合伸縮シートの製造方法
JP2012115358A (ja) * 2010-11-30 2012-06-21 Oji Nepia Co Ltd 吸収性物品の製造方法
JP2014004115A (ja) * 2012-06-22 2014-01-16 Kao Corp パンツ型着用物品およびその製造方法
JP2014511753A (ja) * 2012-03-30 2014-05-19 ザ プロクター アンド ギャンブル カンパニー 伸縮部材切断ロールシステム、方法、及びそれらから作製される吸収性物品

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008029749A (ja) * 2006-07-31 2008-02-14 Daio Paper Corp 紙おむつ並びに紙おむつの製造方法及びこれに用いるカッターロール装置
JP2011178124A (ja) * 2010-03-03 2011-09-15 Kao Corp 複合伸縮シートの製造方法
JP2012115358A (ja) * 2010-11-30 2012-06-21 Oji Nepia Co Ltd 吸収性物品の製造方法
JP2014511753A (ja) * 2012-03-30 2014-05-19 ザ プロクター アンド ギャンブル カンパニー 伸縮部材切断ロールシステム、方法、及びそれらから作製される吸収性物品
JP2014004115A (ja) * 2012-06-22 2014-01-16 Kao Corp パンツ型着用物品およびその製造方法

Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11737928B2 (en) 2016-12-20 2023-08-29 The Procter & Gamble Company Laminate(s) comprising beamed elastics and absorbent article(s) comprising said laminate(s)
US10966873B2 (en) 2016-12-20 2021-04-06 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates with elastic strands unwound from spools on surface unwinders
US10973699B2 (en) 2016-12-20 2021-04-13 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates with elastic strands unwound from beams
US10987253B2 (en) 2016-12-20 2021-04-27 The Procter & Gamble Company Beamed elastic laminate properties
US10993851B2 (en) 2016-12-20 2021-05-04 The Procter & Gamble Company Hip-to-waist and waist-to-crotch silhouette(s) of absorbent article(s) comprising beamed elastics
US11000421B2 (en) 2016-12-20 2021-05-11 The Procter & Gamble Company Length-to-waist silhouette(s) of absorbent article(s) comprising beamed elastics
US11000426B2 (en) 2016-12-20 2021-05-11 The Procter & Gamble Company Disposable absorbent articles having cuffs of improved stretch laminate structure
US11000420B2 (en) 2016-12-20 2021-05-11 The Procter & Gamble Company Laminate(s) comprising beamed elastics and absorbent article(s) comprising said laminate(s)
US12478512B2 (en) 2016-12-20 2025-11-25 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates with elastic strands unwound from spools on surface unwinders
US11141322B2 (en) 2016-12-20 2021-10-12 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates
US11141321B2 (en) 2016-12-20 2021-10-12 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates with elastic strands provided with a spin finish
US11147717B2 (en) 2016-12-20 2021-10-19 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates with elastic strands
US12115043B2 (en) 2016-12-20 2024-10-15 The Procter & Gamble Company Length-to-waist silhouette(s) of absorbent article(s) comprising beamed elastics
US11219555B2 (en) 2016-12-20 2022-01-11 The Procter & Gamble Company Apparatuses and methods for making absorbent articles with elastomeric laminates
US11318052B2 (en) 2016-12-20 2022-05-03 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates with elastic strands unwound from beams
US11344453B2 (en) 2016-12-20 2022-05-31 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates with elastic strands unwound from spools on surface unwinders
US12109094B2 (en) 2016-12-20 2024-10-08 The Procter & Gamble Company Hip-to-waist and waist-to-crotch silhouette(s) of absorbent article(s) comprising beamed elastics
US12109093B2 (en) 2016-12-20 2024-10-08 The Procter & Gamble Company Beamed elastic laminate properties
US11642249B2 (en) 2016-12-20 2023-05-09 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates with elastic strands provided with a spin finish
US11654060B2 (en) 2016-12-20 2023-05-23 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates with elastic strands provided with a spin finish
US10966874B2 (en) 2016-12-20 2021-04-06 The Procter & Gamble Company Absorbent article(s) chassis comprising beamed elastics
US11654059B2 (en) 2016-12-20 2023-05-23 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates
US11660235B2 (en) 2016-12-20 2023-05-30 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates with elastic strands
US11737927B2 (en) 2016-12-20 2023-08-29 The Procter & Gamble Company Laminate(s) comprising beamed elastics and absorbent article(s) comprising said laminate(s)
US12064323B2 (en) 2016-12-20 2024-08-20 The Procter & Gamble Company Disposable absorbent articles having cuffs of improved stretch laminate structure
US12059329B2 (en) 2016-12-20 2024-08-13 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates with elastic strands provided with a spin finish
US12059328B2 (en) 2016-12-20 2024-08-13 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates
US11944523B2 (en) 2016-12-20 2024-04-02 The Procter & Gamble Company Elastomeric laminate(s) for absorbent article donning
US12036099B2 (en) 2016-12-20 2024-07-16 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates with elastic strands unwound from spools on surface unwinders
US12016753B2 (en) 2016-12-20 2024-06-25 The Procter & Gamble Company Absorbent article(s) chassis comprising beamed elastics
US11607348B2 (en) 2017-09-01 2023-03-21 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates
US11129753B2 (en) 2017-09-01 2021-09-28 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates
US11944524B2 (en) 2017-09-01 2024-04-02 The Procter & Gamble Company Methods and apparatuses for making elastomeric laminates
US11925537B2 (en) 2017-09-01 2024-03-12 The Procter & Gamble Company Beamed elastomeric laminate structure, fit, and texture
US11147718B2 (en) 2017-09-01 2021-10-19 The Procter & Gamble Company Beamed elastomeric laminate structure, fit, and texture
US11547613B2 (en) 2017-12-05 2023-01-10 The Procter & Gamble Company Stretch laminate with beamed elastics and formed nonwoven layer
US12161539B2 (en) 2017-12-05 2024-12-10 The Procter & Gamble Company Stretch laminate with beamed elastics and formed nonwoven layer
US12303366B2 (en) 2017-12-05 2025-05-20 The Procter & Gamble Company Stretch laminate with beamed elastics and formed nonwoven layer
US11969325B2 (en) 2018-01-25 2024-04-30 The Procter & Gamble Company Absorbent article with function-formed topsheet, and method for manufacturing
US12357514B2 (en) 2018-01-25 2025-07-15 The Procter & Gamble Company Absorbent article with function-formed topsheet, and method for manufacturing
US11819393B2 (en) 2019-06-19 2023-11-21 The Procter & Gamble Company Absorbent article with function-formed topsheet, and method for manufacturing
US12324732B2 (en) 2019-06-19 2025-06-10 The Procter & Gamble Company Absorbent article with function-formed topsheet, and method for manufacturing
US12053357B2 (en) 2019-06-19 2024-08-06 The Procter & Gamble Company Absorbent article with function-formed topsheet, and method for manufacturing
US12268579B2 (en) 2020-03-13 2025-04-08 The Procter & Gamble Company Beamed elastomeric laminate performance and zones

Also Published As

Publication number Publication date
JP5779737B1 (ja) 2015-09-16
JPWO2016067387A1 (ja) 2017-04-27

Similar Documents

Publication Publication Date Title
JP5779737B1 (ja) 吸収性物品の製造方法、及び製造装置
JP5789730B1 (ja) 吸収性物品に係るシート状部材の製造方法、及び製造装置
JP5826416B1 (ja) 吸収性物品に係るシート状部材の製造方法、及び製造装置
US11712376B2 (en) Absorbent article and method and device for manufacturing absorbent article
JP5941963B2 (ja) 吸収性物品に係るシート状部材の製造方法、及び製造装置
JP5830624B1 (ja) 吸収性物品に係るシート状部材の製造方法、及び製造装置
JP5978284B2 (ja) 吸収性物品に係るシート状部材の製造方法、及び製造装置
JP5779738B1 (ja) 吸収性物品に係るシート状部材の製造方法、及び製造装置
JP5410897B2 (ja) 着用物品の製造方法
WO2010074131A1 (fr) Article vestimentaire et son procédé de fabrication
WO2018167836A1 (fr) Procédé de production et dispositif de production pour élément en feuille utilisé dans des articles absorbants
CN106102673B (zh) 吸收性物品制造方法
JP6019172B1 (ja) 吸収性物品の製造方法、及び製造装置
JP5806839B2 (ja) 伸縮性シートの製造方法
JP6007442B1 (ja) 吸収性物品の製造方法、及び製造装置
CN104755238A (zh) 用于切割基底的方法和设备
JP2011130910A (ja) 吸収性物品およびこれに用いる伸縮性シートの製造方法ならびにその装置
US20170007468A1 (en) Method for manufacturing absorbent article
JP6343588B2 (ja) 吸収性物品の製造方法、及び製造装置
WO2015146244A1 (fr) Appareil de production d'article absorbant
JP6018164B2 (ja) 吸収性物品の製造方法及び吸収性物品の製造装置
JP6438845B2 (ja) 吸収性物品の製造方法及び吸収性物品の製造装置

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2015510541

Country of ref document: JP

Kind code of ref document: A

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14905031

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14905031

Country of ref document: EP

Kind code of ref document: A1