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WO1998011010A1 - Procede et appareil de fabrication d'un mat de renforcement - Google Patents

Procede et appareil de fabrication d'un mat de renforcement Download PDF

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Publication number
WO1998011010A1
WO1998011010A1 PCT/US1997/016058 US9716058W WO9811010A1 WO 1998011010 A1 WO1998011010 A1 WO 1998011010A1 US 9716058 W US9716058 W US 9716058W WO 9811010 A1 WO9811010 A1 WO 9811010A1
Authority
WO
WIPO (PCT)
Prior art keywords
strands
set forth
wrapped
strand
mat
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/US1997/016058
Other languages
English (en)
Inventor
Ronald G. Krueger
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.)
Owens Corning
Original Assignee
Owens Corning
Owens Corning Fiberglas 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 Owens Corning, Owens Corning Fiberglas Corp filed Critical Owens Corning
Priority to AU43407/97A priority Critical patent/AU4340797A/en
Publication of WO1998011010A1 publication Critical patent/WO1998011010A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles

Definitions

  • TECHNICAL FIELD This invention is directed to a process and apparatus for making a reinforcement mat.
  • an apparatus for making a mat from a plurality of strands of material.
  • the apparatus comprises a form or mandrel about which a plurality of the strands of material are wrapped.
  • the apparatus further includes a conveying apparatus, a strand dispensing frame, a drive apparatus and separating apparatus.
  • the conveying apparatus includes a pair of conveyor elements traveling along first and second sections of the form and also about which the strands are wrapped for moving the wrapped strands along the form and away from the form to a combining station and then to a separating station.
  • the strand dispensing frame is movable around the form.
  • the drive apparatus is coupled to the conveying apparatus and the frame for effecting movement of the conveyor elements and the frame.
  • the strand dispensing frame supports a plurality of strand sources such that the strand sources are movable with the frame around the form thereby allowing the strands from the strand sources to be wrapped about the form and the conveyor elements as the frame moves around the form.
  • the conveyor elements move the wrapped strands off the form to the combining station where the strands are formed into a mat.
  • the separating apparatus is positioned at the separating station for separating the mat from the conveyor elements.
  • the form comprises a generally flat plate having first and second generally planar sides and first and second outer edges which define the first and second sections of the form.
  • the form comprises a generally flat plate having first and second generally planar sides and first and second outer edges, and first and second polymeric conveyor element guides located along the first and second outer edges of the plate which define the first and second sections of the form.
  • the conveyor elements comprise first and second endless cables.
  • the conveying apparatus preferably further comprises drive rollers coupled to the drive apparatus and a plurality of idler rollers which together along with the first and second form sections define a path about which the endless cables travel.
  • the separating apparatus may comprise first and second conventional blade cutting devices for cutting outer edge portions of the mat adjacent to the conveyor elements.
  • the apparatus further comprises a support for a roll of polymeric film material to be combined with the
  • the apparatus may further comprise combining apparatus at the combining station including a heated first roll and a cooled second roll positioned adjacent to the heated first roll.
  • the wrapped strands of material and the film pass over the first and second rolls such that the wrapped strands and the film are joined to one another to form the mat.
  • the strands of material wrapped about the form comprise composite material strands which, upon passing over the first and second rolls, become joined to one another to form the mat.
  • the strand dispensing frame may comprise a carousel which is rotatably mounted to a fixed base.
  • the carousel includes a plurality of dispensing stations for supporting the plurality of strand sources.
  • a method for forming a mat from a plurality of strands of material.
  • the method comprises the steps of: providing a plurality of strands of material; providing a form having first and second sections; providing first and second conveyor elements which are adapted to move along the first and second sections of the form; wrapping the plurality of strands about the form and the conveyor elements; moving the conveyor elements along the first and second sections of the form such that the wrapped strands are moved along the form and away from the form to a combining station and then to a removal station; combining the wrapped strands into a mat at the combining station; and collecting the mat at the removal station.
  • the step of wrapping a plurality of strands about the form and the conveyor elements may comprise the steps of providing a strand dispensing frame movable around the form for supporting the strands of material such that the strands are movable with the frame, and moving the strand dispensing frame around the form such that the strands of material are wrapped about the form and the conveyor elements.
  • the step of providing a form comprises the step of providing a generally flat plate having first and second generally planar sides.
  • the strands are preferably wrapped about the plate such that the strands extend across the first side of the plate and form with a horizontal axis extending across the first side of the plate an angle of from about 3° to about 87° and, more preferably, from about 30° to about 60° and the strands extend across the second side of the plate and form with a horizontal axis extending across the second side of the plate an angle of from about -3° to about -87° and, more preferably, from about -30° to about -60°.
  • the method further comprises the step of providing at least one roll of polymeric film material and the step of combining the wrapped strands into a mat comprises the step of combining the wrapped strands and the film into a mat at the combining station.
  • the film may be combined with the strands of material such that the film is positioned between opposing layers of the strands or may be positioned on one or both of the outer surfaces of the wrapped strands.
  • suitable polymeric film materials include polyamidc films, polypropylene films, polyester films, polyethylene films and polyphenylene sulfide films.
  • the strands of material preferably comprise strands of continuous reinforcing fibers such as glass fibers (e.g., S-glass or E-glass), synthetic fibers and/or any other suitable reinforcing fibers.
  • the synthetic fibers may comprise fibers formed from materials such as Kevlar®. carbon or graphite, a metallic or ceramic material, and other non-glass man- made materials having suitable reinforcing characteristics. It is also contemplated that the strands of material may comprise non-reinforcing fibers formed, for example, from a polymeric material.
  • the strands of material comprise composite material fibers such as commingled reinforcing and polymer fibers.
  • the reinforcing fibers may comprise glass fibers or synthetic fibers, such as those discussed above.
  • the polymer fibers may be selected from the group consisting of polyamide fibers, polypropylene fibers, polyester fibers, polyethylene fibers and polyphenylene sulfide fibers. It is also contemplated that the composite material fibers may also comprise reinforcing fibers having a polymeric material coated thereon.
  • the strands of composite material fibers are combined into a mat at the combining station by moving the composite material fibers across a heated roll or adjacent to a heat source such that the composite material fibers join together to form a mat.
  • the plurality of strands are wrapped about the form and the conveyor elements and are moved along the first and second sections of the form such that the strands make initial contact with the conveyor elements at locations on the conveyor elements which are generally positioned adjacent to defined areas of the form.
  • FIG. 1 is a side view of a mat forming apparatus constructed in accordance with the present invention
  • Fig. 2 is a view taken along view line 2-2 in Fig. 1 ;
  • Fig. 3 is a front view of the apparatus shown in Fig. 1 ;
  • Fig. 4 is a front view of the apparatus shown in Fig. 1 but with the strand dispensing frame removed;
  • Fig. 5 is a perspective view of separating apparatus and a winder of the apparatus of the present invention;
  • Fig. 6 is a perspective view of a portion of a modified creel constructed in accordance with a second embodiment of the present invention.
  • Fig. 7 is a side view, partially in section, of combining apparatus of the forming apparatus illustrated in Fig. 1 and showing upper and lower strand layers and an intermediate polymeric material layer interposed therebetween passing through the combining apparatus;
  • Fig. 8 is a view similar to Fig. 7 but showing two strand layers interposed between two polymeric film layers;
  • Fig. 9 is a top view of a section of a mat formed in accordance with a first embodiment of the present invention comprising upper and lower strand layers which are adhered to one another via a polymeric material layer with the top strand layer and the intermediate polymeric layer partially removed;
  • Fig. 10 is a top view of a section of a mat formed in accordance with a second embodiment of the present invention comprising intermediate strand layers and upper and lower polymeric material layers with the top and intermediate layers partially removed;
  • Fig. 1 1 is a top view of a section of a mat formed in accordance with a third embodiment of the present invention comprising crossing composite strands adhered to one another.
  • FIG. 1 -3 An apparatus 10 constructed in accordance with the present invention for forming a mat from a plurality of strands of material 20 is shown in Figs. 1 -3.
  • the strands 20 are reinforcing strands such that a reinforcement mat 100 is formed, see Figs. 5 and 9-1 1.
  • Such a mat 100 may be used in the manufacture of fiber reinforced composite products via molding, pultrusion. filament winding or like processes.
  • the forming apparatus 10 comprises a form or mandrel 30 about which a plurality of the strands of material 20 are wrapped.
  • the forming apparatus 10 also includes a conveying apparatus 40, a strand dispensing frame 50b, a drive apparatus 60 and separating apparatus 70, see Figs. 1. 2 and 5.
  • the form 30 comprises a generally vertically positioned, fixed, flat steel plate 32 having generally planar first and second sides 32a and 32b and first and second narrow outer edges 32c and 32d, see Fig. 2.
  • the plate 32 may have a width W equal to approximately 50 inches ( 1.275 m) and thickness T equal to approximately 0.16 inch (4 mm).
  • the conveying apparatus 40 includes a pair of conveyor elements, first and second endless cables 42a and 42b in the illustrated embodiment, which travel along first and second sections 34a and 34b of the form 30.
  • the first and second sections 34a and 34b are defined by first and second polymeric conveyor element guides 37a and 37b which are located along the first and second outer edges 32c and 32d of the plate 32.
  • the guides 37a and 37b are provided with grooves, e.g., V- shaped or oval grooves, which receive the endless cables 42a and 42b.
  • the first and second outer edges 32c and 32d of the plate 32 may be shaped to receive the cables 42a and 42b and, hence, would define the first and second sections 34a and 34b of the form 30.
  • the strands 20 are also wrapped about the cables 42a and 42b such that the wrapped strands 20 are moved by the cables 42a and 42b along the form 30 and away from the form 30 to a combining station 80. see Fig. 1, and then to a separating station 90, see Fig. 5.
  • the conveying apparatus 40 further comprises drive rollers 44a and 44b 5 which are connected to a conventional electric drive motor 62 via a shaft 44c and a gear mechanism (not shown).
  • the drive motor 62 forms part of the drive apparatus 60.
  • the cable 42a is wrapped twice about the drive roller 44a and the cable 42b is wrapped twice about the drive roller 44b, see Figs. 1 and 2.
  • the conveying apparatus 40 also includes a plurality of idler rollers 46a-46g which together with the
  • Idler rollers 46b and 46e form part of tensioning devices 47a and 47b which act to apply tension to the cables 42a and 42b.
  • tensioning devices 47a and 47b act to apply tension to the cables 42a and 42b.
  • 15 and 47b comprises a pivotable arm 47c having a weight 47d coupled to a first end 47e which is opposite to an end 47f which is fixedly connected to a transverse member 47h.
  • the transverse member 47h is pivotably connected to fixed supports 47g.
  • the strand dispensing frame 50b comprises a circular carousel 50.
  • the carousel 50 is positioned around the form 30 and is capable of moving about the form 30.
  • the carousel 50 includes a lower, circular base 52 which is rotatably mounted to a fixed base 50a via bearings (not shown), see Fig. 1.
  • the circular base 52 is provided with a plurality of drive teeth (not shown) which extend about the entire outer circumference of the circular base 52.
  • the circular base drive teeth intermesh with teeth on an endless drive belt 54 such that rotation of the endless drive belt 54 effects rotation of the carousel
  • Rotation of the endless drive belt 54 is effected via a drive pinion 56 connected to a gear reducer (not shown) which, in turn, is connected to the electric motor 62.
  • the carousel 50 further comprises six creels 120 or strand supply stations. It is also contemplated that less than
  • Each creel 120 comprises a plurality of horizontal support arms 122, eight in the embodiment illustrated in Figs. 1 and 2. which are fixedly connected to a vertical support 123.
  • the vertical supports 123 are fixedly connected to the circular base 52.
  • Each horizontal support arm 122 carries a single package 124 which, in the illustrated embodiment, has a single strand 20 extending from it.
  • An eyelet array guide device 128 is associated with each creel 120 and is fixedly connected to the circular base 52 so as to rotate with the base 52.
  • Each guide device 128 is positioned between its associated creel 120 and the form 30 and has a plurality of eyelets 128a. see Fig.
  • each of the uppermost strands 20 pass through a pair of guide arms 129 before passing through the guide device 128. From the guide devices 128, the strands 20 extend to the form 30 so as to be wrapped about the form 30 as the carousel 50 rotates.
  • each creel 120a comprises first and second spaced apart vertical supports 123a and 123b having a plurality of first and second horizontal support arms 122a and 122b for supporting first and second rows of packages 124a and 124b (only one first arm 122a and one second arm 122b are shown in Fig. 6).
  • Eight first support arms 122a and eight second support arms 122b may be provided for supporting a total of sixteen packages at each creel 120a.
  • the strands 126a extending from the first packages 124a, which packages 124a are spaced the greatest distance from the form 30. extend through a pair of the guide arms 129 so as not to contact the second package 124b positioned next to it.
  • the strands 126a and 126b from the two adjacent packages 124a and 124b extend through eyelets 128a provided in the eyelet guide device 128 and then to the form 30.
  • the packages 124 could comprise warp beams, i.e., spools with flanges, with each spool having a plurality of strands, e.g.. 10 to 1000 strands.
  • warp beams would be used in place of the single strand packages 124 shown in the illustrated embodiment.
  • each creel 120 may only comprise one or two package support arms 122.
  • two to twelve warp beams located on a like number of creels positioned about the base 52 could be used.
  • the eyelet guide device could comprise a ring-shaped eye-board (not shown) having a plurality of eyelets extending completely through the eye-board and arranged in rows which extend completely around the eye-board. Any other equivalent strand guide device could also be used in place of the illustrated device 128.
  • the motor 60 causes the carousel 50 and the cables 42a and 42b to move continuously.
  • the strands 20 extending from the packages 124 are wrapped about the form 30 and the cables 42a and 42b and are moved by the cables 42a and 42b upwardly along the form 30 and away from the form 30 to the combining station 80 where the wrapped strands 20 are joined together to form a mat 100, see Fig. 1.
  • the cables 42a and 42b then move the mat 100 to a separating station 90 where the mat 100 is cut from the cables 42a
  • strands 20a-20c are shown extending respectively from creels 120a- 120c to the cable 42b where first portions 146a- 146c of the strands 20a-20c frictionally engage the cable 42b.
  • the first portions 146a- 146c are vertically spaced from one another along the cable 42b, see Fig. 3. This vertical spacing between the strands
  • the ratio of the speed of the cables 42a and 42b to the speed of the carousel 50 is fixed. As such, all of the 5 strands 20 will make initial contact with the first and second cables 42a and 42b at locations on the cables 42a and 42b which are generally positioned adjacent to the same defined lower portions 132c and 132d of the first and second sections 34a and 34b of the form 30, see Fig. 4.
  • the strands 20 are wrapped about the plate 32 such that first intermediate 0 portions 146d of the strands 20 extend across the first side 32a of the plate 32 and form an angle ⁇ , with a horizontal axis A, extending across the first side 32a of the plate 32, see Fig. 4.
  • the angle ⁇ is from about 3° to about 87° and, more preferably, from about 30° to about 60°.
  • Second intermediate portions 146e of the strands 20 extend across the second side 32b of the plate 32 and form an angle ⁇ : with a horizontal axis A 2 extending across the second side 32b of the plate 32.
  • the angle ⁇ 2 is from about -3° to about -87° and, more preferably, from about -30° to about -60°. In Fig. 4, ⁇ , is approximately 21° and ⁇ 2 is approximately -21°.
  • a layer of polymeric film material 142 is interposed between opposing layers 144a and 144b of the wrapped strands 20.
  • the first layer 144a of the wrapped strands 20, comprised of the intermediate portions 146d. is positioned adjacent to the first side 32a of the plate 32, and the second layer 144b of the wrapped strands 20, comprised of the intermediate portions 146e, is positioned adjacent to the second side 32b of the plate 32.
  • a fixed support 140 is provided adjacent to the plate 32 for supporting the roll 142b of polymeric film material 142, see Figs. 1 and 4.
  • the film material 142 is threaded between the second side 32b of the plate 32 and the second outer layer 144b of the strands 20.
  • the film 142 moves upwardly with the second outer layer 144b and enters into the combining station 80 with the first and second layers 144a and 144b.
  • First, second and third rolls 160, 162 and 164 are provided at the combining station 80.
  • a conventional radiant heater 170 is provided below the first and second rolls 160 and 162 for heating the first and second rolls 160 and 162.
  • Conventional water cooling means (not shown) is associated with the third roll 164 for cooling same.
  • the film material 142 and the first and second layers 144a and 144b of the wrapped strands 20 pass over the first heated roll 160, under the second heated roll 162 and over the chilled roll 164, see Fig. 7.
  • the heated rolls 160 and 162 sufficiently soften or melt the film material 142 to bond together the strands 20 of the first and second layers 144a and 144b.
  • the cooled roll 164 causes the softened or melted polymeric material to harden or solidify.
  • the bonded strands form a mat 100a having outer strand layers 144a and 144b with polymeric material 142a interposed therebetween, see Fig. 9.
  • first and second Teflon® webs 166 and 168 are also provided at the combining station 80.
  • the first web 166 extends about the first, second and third rolls 160, 162 and 164 and idler rolls 166a and 166b.
  • the second web 168 extends about the second and third rolls 162 and 164 and an idler roll 168a.
  • the webs 166 and 168 form protective layers between the rolls 160, 162 and 164 and the first and second strand layers 144a and 144b and the film 142 to prevent the film 142 from adhering to the rolls 160, 162 and 164.
  • first and second fixed supports 180 and 182 are provided adjacent to the combining station 80 for supporting first and second rolls 184a and 186a of polymeric film material 184 and 186, see Fig. 8.
  • the two films 184 and 186 are combined with the first and second layers 144a and 144b of the wrapped strands 20 such that the films 184 and 186 are positioned on outer surfaces of the layers 144a and 144b.
  • the films 184 and 186 and the first and second layers 144a and 144b of the wrapped strands 20 pass over the first heated roll 160. under the second heated roll 162 and over the chilled roll 164, see Fig. 8.
  • the heated rolls 160 and 162 sufficiently soften or melt the film material 184 and 186 to bond together the strands 20 of the first and second layers 144a and 144b.
  • the cooled roll 164 causes the softened or melted polymeric material to harden or solidify.
  • the bonded strands form a mat 100b comprising inner strand layers 144a and 144b and polymeric material outer layers 184b and 186b, see Fig. 10.
  • suitable polymeric film materials 142, 184 and 186 include polyamide films, polypropylene films, polyester films, polyethylene films, polyphenylene sulfide films or any other thermoplastic film.
  • the strands 20 of material preferably comprise strands of continuous reinforcing fibers such as glass fibers (e.g., S-glass or E-glass), synthetic fibers and/or any other suitable reinforcing fibers.
  • the synthetic fibers may comprise fibers formed from materials such as Kevlar®, carbon or graphite, a metallic or ceramic material and other non-glass man-made materials having suitable reinforcing characteristics. It is also contemplated that the strands of material 20 may comprise non-reinforcing fibers formed, for example, from a polymeric material.
  • the strands of material 200a comprise composite material strands such as the commingled reinforcing and polymer fiber strands disclosed in U.S. Patent Application Serial No. 08/31 1,817, filed on September 26, 1994, and entitled "METHOD AND APPARATUS FOR
  • the reinforcing fibers used in the commingled strands 200a may comprise glass fibers or synthetic fibers, such as those discussed above.
  • the polymer fibers may be selected from the group consisting of polyamide fibers, polypropylene fibers, polyester fibers, polyethylene fibers and polyphenylene sulfide fibers.
  • the polymer fibers may also 5 comprise fibers formed from any other fiberizable polymer material.
  • the composite material strands 200a may comprise reinforcing fibers having a polymeric material such as a solvent free chemical treatment coated thereon or reinforcing and matrix fibers having a polymeric material such as a solvent free chemical treatment coated thereon such as those disclosed in copending U.S. Patent Application 0 Serial No. 08/695,909. filed on August 12, 1996, and entitled "CHEMICAL
  • a mat 100c formed from composite strands 200a is shown.
  • the polymeric material incorporated into the composite strands 200a provides the bonding 0 mechanism for the mat 100c.
  • the polymeric material incorporated into the strands 200a sufficiently softens or melts such that adjacent strand portions 200b and 200c bond or fuse to one another at points 200d where the adjacent strand portions 200b and 200c cross one another.
  • the bonded strand portions 200b and 200c form the mat 100c.
  • the cooled roll 164 causes the
  • the strand portions 200b are positioned at an angle ⁇ relative to the strand portions 200c.
  • the angle between any two strand portions 200b and 200c preferably is from about 6° to about 174° and more preferably from about 60° to about 120°. It is also contemplated that one or more polymeric material film layers may be combined with the composite strands
  • the separating apparatus 70 may comprise first and second cutting blades 70a and 70b for cutting outer edge portions of the mat 100 adjacent to the cables 42a and 42b. see Fig. 5.
  • the cut mat 100 is then wound into a package via a conventional winder device 92 after first passing under an idler roller 92a. 5
  • the speed of the carousel 50 is fixed relative to the speed of the cables 42a and 42b via the gearing arrangement provided.
  • the angles 0, and 0 2 shown in Fig. 4, can be varied by changing the ratio of the carousel speed to that of the cable speed. This can be achieved by substituting a different gearing arrangement for the one provided so as to achieve the desired speed ratio between the
  • the weight of the mat can be changed by varying the angles 0, and ⁇ 2 ,
  • angle ⁇ , of strand portions 146d is from about -3° to about -87° and angle ⁇ 2 of
  • 20 strand portions 146e is from about 3° to about 87°.
  • reinforcing fibers could be provided which are located in the machine direction, designated by arrow 300 in Fig. 4, which direction is generally parallel to a longitudinal axis of the form 30. It is also contemplated that polymer strands formed from a polymeric material such as one of the
  • 25 materials set out above from which the film material 142 is formed could run in the machine direction 300 and could be used in place of or in addition to the film materials 142, 184, 186. It is additionally contemplated that commingled reinforcing and polymer fiber strands or reinforcing fibers coated with a polymeric material could be positioned in the machine direction 300 and used in place of or in addition to the film materials 142,
  • film material, polymer fibers, commingled reinforcing and polymer fiber strands and/or polymer coated reinforcing fibers having polymeric material with a melting temperature below the melting temperature of the polymeric material incorporated into composite strands wrapped about the form 30 could be provided such that they run in the machine direction 300.
  • the polymeric material of the film material, polymer fibers, commingled reinforcing and polymer fiber strands and/or polymer coated reinforcing strands would soften or melt in the combining station 80 to bond together the wrapped composite strands without the polymeric material of the wrapped composite strands melting.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

La présente invention a pour objet un procédé et un appareil (10) de fabrication d'un mat (100) à partir d'une pluralité de brins de matière (20). L'appareil est composé d'une forme (30) autour de laquelle s'enroulent une pluralité de brins de matière (20), d'un appareil de transport (40), d'un cadre de distribution de brins (50b), d'un appareil d'entraînement (60) et d'un appareil séparateur (70). L'appareil de transport (40) possède une paire d'éléments transporteurs sans fin (42a, 42b) qui circulent le long de la première et de la deuxième partie (34a, 34b) de la forme (30) et autour desquels les brins de matière (20) s'enroulent, pour que les brins enveloppés avec la forme (30) avancent depuis la forme (30) vers un poste de mélange (80), puis vers un poste de séparation (90).
PCT/US1997/016058 1996-09-13 1997-09-11 Procede et appareil de fabrication d'un mat de renforcement Ceased WO1998011010A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU43407/97A AU4340797A (en) 1996-09-13 1997-09-11 Process and apparatus for making a reinforcement mat

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71331996A 1996-09-13 1996-09-13
US08/713,319 1996-09-13

Publications (1)

Publication Number Publication Date
WO1998011010A1 true WO1998011010A1 (fr) 1998-03-19

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Application Number Title Priority Date Filing Date
PCT/US1997/016058 Ceased WO1998011010A1 (fr) 1996-09-13 1997-09-11 Procede et appareil de fabrication d'un mat de renforcement

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AU (1) AU4340797A (fr)
WO (1) WO1998011010A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999055943A1 (fr) * 1998-04-28 1999-11-04 Owens Corning Dispositif et procede permettant d'etaler des etoupes de fibres de façon a obtenir des reseaux lineaires de densite generalement uniforme, et produits ainsi fabriques
CN108584498A (zh) * 2018-03-19 2018-09-28 常州聚豪电气有限公司 聚脂薄膜卷管装置及其卷管工艺

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041230A (en) * 1958-11-21 1962-06-26 Tru Scale Inc Non-woven fabric machine and method
US5445693A (en) * 1988-09-26 1995-08-29 Vane; Jeffrey A. Method of producing a formable composite material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041230A (en) * 1958-11-21 1962-06-26 Tru Scale Inc Non-woven fabric machine and method
US5445693A (en) * 1988-09-26 1995-08-29 Vane; Jeffrey A. Method of producing a formable composite material

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999055943A1 (fr) * 1998-04-28 1999-11-04 Owens Corning Dispositif et procede permettant d'etaler des etoupes de fibres de façon a obtenir des reseaux lineaires de densite generalement uniforme, et produits ainsi fabriques
US6311377B1 (en) 1998-04-28 2001-11-06 Owens Corning Fiberglass Technology, Inc. Apparatus and method for spreading fibrous tows into linear arrays of generally uniform density and products made thereby
CN108584498A (zh) * 2018-03-19 2018-09-28 常州聚豪电气有限公司 聚脂薄膜卷管装置及其卷管工艺
CN108584498B (zh) * 2018-03-19 2023-06-02 常州聚豪电气有限公司 聚脂薄膜卷管装置及其卷管工艺

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Publication number Publication date
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