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WO1988008395A1 - Applicateur de bande adhesive de scellement et cartouche - Google Patents

Applicateur de bande adhesive de scellement et cartouche Download PDF

Info

Publication number
WO1988008395A1
WO1988008395A1 PCT/NL1988/000018 NL8800018W WO8808395A1 WO 1988008395 A1 WO1988008395 A1 WO 1988008395A1 NL 8800018 W NL8800018 W NL 8800018W WO 8808395 A1 WO8808395 A1 WO 8808395A1
Authority
WO
WIPO (PCT)
Prior art keywords
recess
ribbon
strip
tape
shaped material
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/NL1988/000018
Other languages
English (en)
Inventor
Nicolaas Van Rosendal
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO1988008395A1 publication Critical patent/WO1988008395A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B67/00—Apparatus or devices facilitating manual packaging operations; Sack holders
    • B65B67/02—Packaging of articles or materials in containers
    • B65B67/06—Manually-operable devices for closing bag necks, by applying and securing lengths of string, wire or tape

Definitions

  • Such an apparatus permits a sealing strip, being made of an adhesive tape and a ribbon-shaped material such as paper tape, to be applied round e.g. a . flexible container such as a plastic bag twisted together.
  • a similar apparatus is known from the Netherlands patent application no. 8500050.
  • the rotor is provided with locking means fitted on the rotor bush and intended to make sure that the rotor is prevented from performing any return rotation.
  • a rubber ring attached to the hub of the reel carrying adhesive tape, there are means, a rubber ring i this case, through which the reel is in frictional contact with the housing and which prevent the reel from running freely and the adhesive tape from being unwound undesirably.
  • the apparatus is used hurriedly in order to apply a large number of sealing strips round bags in a short time, the reel containing adhesive tape will yet revolve too far as a result of the attendant jerks at the adhesive tape, by which the unwound adhesive tape is pulled back to the reel.
  • the apparatus of the type described in the opening lines is provided with locking means located in the recess and, in engagement with the rotor spokes, acting as a ratchet gear.
  • the rotor spoke strikes the locking means, which does not only stop any further reverse rotation of the rotor, but also makes that the tape consisting of ribbon-shaped material and adhesive tape brought together is pinched between the rotor spoke and the locking means, which prevents the ribbon-shaped material and the adhesive tape from reverting to the respective reels on the one hand, and effects an improved bond of the ribbon- shaped material and the adhesive tape on that place on the other, hand.
  • the locking means acting on the rotor and the rubber ring fitted on the hub of the reel may be dropped.
  • a practical embodiment of said locking means is obtained by designing these means as a strip-shaped member of which one half has a partly arc-shaped profile and, contiguously, the other half has a recedingly bent lip-shaped end.
  • a particularly advantageous construction of the described practical embodiment of said locking means is obtained when said strip-shaped member is made of a resilient material and the second half of said member is positioned in the feeding means for the ribbon-shaped material and is pinchingly against the ribbon-shaped material. This provides a solution to overcome the second disadvantage of the known arrangement.
  • Another feature of the invention relates to a cartridge for application in an embodiment of an apparatus according to the invention and being adapted to said cartridge, as the use of removable cartridges is specially attractive in case of renewal of a reel containing ribbon-shaped material.
  • Fig. 2 shows a front view, partly exploded and partly cut- away, of the apparatus represented in Fig. 1;
  • FIGs. 3 and 4 show two different operational conditions of the apparatus depicted in Fig. 2 as they occur during the application of a sealing strip;
  • Fig. 5 shows a section of a removable cartridge for an advantageous embodiment of an apparatus for applying sealing strips;
  • Fig. 6 shows a possible embodiment of a member of the apparatus according to the invention
  • Fig. 7 shows a second example of an embodiment of the apparatus for applying sealing strips.
  • the number 1 denotes a possible embodiment of an apparatus for applying a sealing strip to a bag 2 such as an end of a plastic bag twisted together.
  • a housing 3, viewed on its narrow side, comprises housing halves 4 and 5.
  • the housing is further provided with a recess 6 being roughly located in the middle of the flat part of the housing 3 and constituting the track for the bag 2 to be surrounded by a sealing strip.
  • the recess 6 is preferably designed as a straight slot over its entire length.
  • Fig. 2 shows a front view, partly exploded and partly cut-away, of the apparatus depicted in Fig. 1.
  • the recess 6 made in the shape of a substantially straight slot causes that, as the bag 2 enters the recess 6, said bag 2 is deeply pressed into the space encompassed by two rotor spokes 11, so that the bag 2 is covered with adhesive tape 12 over its full circumference.
  • the rotor spokes are dimensioned such that it is precluded that the bag 2 might be taken downward round the outer ends of spokes 11 and an insufficient amount of adhesive tape might arrive at bag 2.
  • the supply of single-sided adhesive tape 12 is from a reel 13 which is accommodated by a guide 14 located in the box unit 7.
  • a rubber ring 16 may be put on hub 15 of the reel 13, through which ring the reel 13 is in frictional contact with the guide 14, thus preventing adhesive tape 12 from rotating freely and from unwinding undesirably.
  • the .rotor 10 may be ._advantageously provided with retaining means, such as, fitted on the rotor shaft, a retaining clip which does not permit any free rotary motion of the rotor 10. By this it is prevented that for applying a sealing strip an unnecessary amount of adhesive tape 12 is pulled off from the reel 13.
  • bag 2 with the strip of adhesive tape 12 meets a strip of ribbon-shaped material, such as paper tape 17, which will stick to the arriving adhesive tape so far as said adhesive tape is not stuck to the bag 2.
  • the paper tape 17 is supplied from a second reel 18 accommodated in a magazine belonging to the other box unit 8. Through feeding means 19 having access to the recess 6, the paper tape 17 enters the recess 6.
  • the toggle arm 23 turns in the direction of the sealing-strip. -tape, and this sealing-strip tape will be cut " through by the cutting device 24.
  • the cutting device 25 includes a cutting blade 27 accommodated in a chamber 26.
  • a raised edge 29 of a cover 30 on the chamber 26 provides for finger protection.
  • the cutting blade 27 is out of finger's reach (especially for the sake of children), whereas bag 2 can reach cutting blade 27 for performing the cutting operation.
  • Chamber 26 is accessible through cover 30 fastened to it by means of screws.
  • the cutting means 20, too are accessible through a detachable cover 31.
  • the apparatus 1 is provided with a ledge 32 being perpendicular to the recess 6 and protruding into the recess 6, which ledge causes that in its vicinity the adhesive tape and paper tape are sharply bent so that the bag 2 and the free-moving parts of the adhesive tape 12 on one side and of the paper strip 17 on the other side are properly pressed against each other, whereby the sealing strip, to be formed of adhesive tape and paper strip, will tightly embrace the bag 2.
  • the mainly straight recess 6 is curved sideward.
  • the bag 2 already enclosed by the sealing strip of adhesive tape 16 and paper tape 17 has already passed the ledge.32.
  • Fig. 4 also clearly shows that the materials 12 and 17 bonded together are kept taught when the cutting means 20 are operated. Consequently, actual cutting by means of the cutting blade will take place and the operation of these cutting means 20 will require a lower force, which results in a sharp line of cut. Having cut the sealing strip, the cutting means 20 return by the action of a spring 33 into the condition of rest shown in Fig. 2, where the arm part 22 comes to lie against a stop 34 on the box unit 8.
  • the magazine accommodating the paper reel and the feeding means 19 for the paper tape may be combined to form a cartridge 35 which can be inserted in a cavity 36 in the box unit 8.
  • the upright wall part 36 of the cartridge 35 also forms part of the side wall of the housing half 4, with the cartridge 35 being fixed by means of projections, not shown in the drawing, fitting into notches of corresponding shape in the housing half 4 when inserted.
  • the reel 18 containing the paper tape 17 is rotatably disposed on a hub 39 provided in the cartridge 35.
  • a bracket 40 for the purpose of retaining the paper tape 17 in the cartridge 35.
  • the supply of paper tape 17 to the feeding means 19 takes place through a passage 41 made in the cartridge 35 and provided with fully solid sides preventing any undesired transverse displacement of the paper tape 17.
  • Such an embodiment has the disadvantage that, in the event that the bag 2 is rushed through the recess 6, the reel 13 containing the adhesive tape 12 continues to turn through a certain angle due to jerks occurring then, by which the unwound length of adhesive tape 12 is pulled back to the reel 13.
  • the box unit 8 is provided with means 42 projecting into the recess 6 and co-operating with the rotor spokes 11 to act as a locking mechanism and prevent the rotor 10 from rotating reversely.
  • means 42 projecting into the recess 6 and co-operating with the rotor spokes 11 to act as a locking mechanism and prevent the rotor 10 from rotating reversely.
  • An embodiment of said locking means 42 is achieved by designing these means as a strip-shaped member 43 as shown in Fig.6.
  • the strip-shaped member 43 of resilient material has an arc—shaped profile of a certain length 44 and, contiguously, a recedingly bent lip-shaped end 45.
  • This lip-shaped end is to engage with spokes 11 of rotor 10, and that in such a way that rotor 10 is not impeded in its rotational motion during the feeding of a bag 2 through recess 6, but that it is impeded during any reverse rotation that might occur subsequently.
  • This is achieved by positioning the non-bent portion of the strip-shaped member in passage 41 of the feeding means 19 and by securing the other end 47 of the strip-shaped member 43 in a bifurcated clamping device 48.
  • the non-bent portion 46 of the strip-shaped member 43 being slightly curved will abut the upper wall 49 of the feeding means 19.
  • the ribbon-shaped material 17 will be pinched between the strip-shaped member 43 and the upper wall 49 of the feeding means 19. Only when a rotor spoke 11 presses the lip-shaped end 45 against the ledge 32, the strip-shaped member 43 will come loose from the upper wall 49 for a short duration, permitting the ribbon-shaped material 17 to pass for a short length. This prevents forces developing jerkily from propagating to the ribbon-shaped material 17 wound on reel 18 and from making the material unwind from the reel for a great length.
  • the lip-shaped end 45 may be advantageously provided with a top edge 50 increasing in thickness or curvature in the direction of the rotor spokes 11, by which it is .achieved that the. non—bent portion 46 of the strip—shaped member 43 is removed from the upper wall 49 only for a very short time.
  • the eventual design of the end 45 with top edge 50 is a determining factor of the length of paper tape to be supplied for each sealing strip.
  • the length of the lip-shaped end 45 also has some influence.
  • the lip-shaped end 45 should be profiled such that the opening between rotor spokes occupies the full width of recess 6 on the entrance side.
  • Fig. 3 shows that the lip-shaped end 45 is not being moved by a rotor spoke 11 and, consequently, the strip-shaped member 43 is not yet coming loose from the upper wall 49, so that no ribbon-shaped material is allowed to pass, whereas such is the case in Fig. 4.
  • Pushing the strip-shaped member 43 away from the paper tape should take place through the intermediary of the bag 2 directly or indirectly making use of any pushing means to be moved by the bag. As soon as the bag 2 has passed the ledge 42, the lip-shaped end 45 snaps back and the paper tape 17 is again pressed against the wall 49.
  • the apparatus may also be implemented such that in the box half 8 there is a hub on which a separate reel containing paper tape may be placed and that the passage 41 with the locking means 42 are part of the box half 8.
  • Fig. 2 shows that in the apparatus 1 the ledge 32 is located on the box unit 8, it is fully practicable to dispose this ledge on the cartridge 35 while all characteristics are retained.
  • a highly advantageous embodiment of an apparatus for applying a sealing strip in domestic use is reflected in Fig. 7.
  • a slidable guard 51 is fitted in the wall of the housing half 4 of box unit 7.
  • the reel 13 containing adhesive tape 12 may be put in its proper place and the adhesive tape 12 may be led to the rotor spokes 11.
  • the guard 51 may be fitted again in its proper place.
  • the guard may be pushed onto the housing side wall, in this embodiment preference is given to a guard designed as a sliding cover to be pushed into the opening.
  • the guard 51 also comprises a strip 52 being perpendicular to the sliding cover, which prevents the reel 13 from abandoning the box unit 7.
  • This embodiment is furthermore characterised by the presence of a plurality of cavities having pear-shaped holes 53 in the bottom part of the apparatus 1, which enables the apparatus 1 to be wall-mounted by means of screws.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Adhesive Tape Dispensing Devices (AREA)
  • Package Closures (AREA)

Abstract

Appareil permettant l'application à un récipient souple, par exemple un sac plastique torsadé (2), d'une bande de scellement, réalisée à partir d'une bande adhésive (12) et d'une matière se présentant sous la forme d'un ruban, telle qu'une bande de papier (17).
PCT/NL1988/000018 1987-04-23 1988-04-22 Applicateur de bande adhesive de scellement et cartouche Ceased WO1988008395A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8700964A NL8700964A (nl) 1987-04-23 1987-04-23 Inrichting voor het aanbrengen van een sluitstrip en een cassette daarvoor.
NL8700964 1987-04-23

Publications (1)

Publication Number Publication Date
WO1988008395A1 true WO1988008395A1 (fr) 1988-11-03

Family

ID=19849904

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL1988/000018 Ceased WO1988008395A1 (fr) 1987-04-23 1988-04-22 Applicateur de bande adhesive de scellement et cartouche

Country Status (2)

Country Link
NL (1) NL8700964A (fr)
WO (1) WO1988008395A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5295345A (en) * 1990-11-20 1994-03-22 Henkel Nederland B.V. Bag sealer
WO1994013542A1 (fr) * 1992-12-07 1994-06-23 Novem Trading International B.V. Dispositif d'application d'une bande de scellement
WO2006032174A1 (fr) * 2004-09-21 2006-03-30 Yiping Zhang Appareil de soudure pour fermer un sac plastique
US20170088303A1 (en) * 2015-09-25 2017-03-30 Ben Clements & Sons, Inc. Device for sealing a bag with tamper evident labeling

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3729896A (en) * 1971-07-19 1973-05-01 A Lehmann Device for tying the ends of bags
NL7704671A (nl) * 1976-06-28 1977-12-30 Leifheit International Inrichting voor het met een plakstrook afsluiten van zakken en dergelijke val kunststof.
NL7810993A (nl) * 1978-11-03 1980-05-07 Medox B V Zakkensluitinrichting.
WO1985001266A1 (fr) * 1983-09-13 1985-03-28 International Project Agency B.V. Dispositif pour appliquer une fermeture de ruban autour d'une enveloppe
EP0188843A1 (fr) * 1985-01-09 1986-07-30 Novem Trading International B.V. Dispositif pour appliquer une bandelette de fermeture et une cassette pour celui-ci

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3729896A (en) * 1971-07-19 1973-05-01 A Lehmann Device for tying the ends of bags
NL7704671A (nl) * 1976-06-28 1977-12-30 Leifheit International Inrichting voor het met een plakstrook afsluiten van zakken en dergelijke val kunststof.
NL7810993A (nl) * 1978-11-03 1980-05-07 Medox B V Zakkensluitinrichting.
WO1985001266A1 (fr) * 1983-09-13 1985-03-28 International Project Agency B.V. Dispositif pour appliquer une fermeture de ruban autour d'une enveloppe
EP0188843A1 (fr) * 1985-01-09 1986-07-30 Novem Trading International B.V. Dispositif pour appliquer une bandelette de fermeture et une cassette pour celui-ci

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5295345A (en) * 1990-11-20 1994-03-22 Henkel Nederland B.V. Bag sealer
WO1994013542A1 (fr) * 1992-12-07 1994-06-23 Novem Trading International B.V. Dispositif d'application d'une bande de scellement
WO2006032174A1 (fr) * 2004-09-21 2006-03-30 Yiping Zhang Appareil de soudure pour fermer un sac plastique
US20170088303A1 (en) * 2015-09-25 2017-03-30 Ben Clements & Sons, Inc. Device for sealing a bag with tamper evident labeling

Also Published As

Publication number Publication date
NL8700964A (nl) 1988-11-16

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