US3718725A - Method for making hook fabric material for fasteners - Google Patents

Method for making hook fabric material for fasteners Download PDF

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Publication number
US3718725A
US3718725A US00090382A US3718725DA US3718725A US 3718725 A US3718725 A US 3718725A US 00090382 A US00090382 A US 00090382A US 3718725D A US3718725D A US 3718725DA US 3718725 A US3718725 A US 3718725A
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United States
Prior art keywords
loops
upstanding
rows
knob
projections
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.)
Expired - Lifetime
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US00090382A
Inventor
H Hamano
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Velcro Industries BV
INT KNITLOCK CORP
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INT KNITLOCK CORP
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Publication date
Application filed by INT KNITLOCK CORP filed Critical INT KNITLOCK CORP
Priority claimed from DE19712104317 external-priority patent/DE2104317C3/en
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Publication of US3718725A publication Critical patent/US3718725A/en
Assigned to VELCRO INDUSTRIES B.V. reassignment VELCRO INDUSTRIES B.V. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: INTERNATIONAL KNITLOK CORPORATION
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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06CFINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C29/00Finishing or dressing, of textile fabrics, not provided for in the preceding groups
    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44BBUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B18/00Fasteners of the touch-and-close type; Making such fasteners
    • A44B18/0046Fasteners made integrally of plastics
    • A44B18/0061Male or hook elements
    • A44B18/0065Male or hook elements of a mushroom type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/022Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing characterised by the disposition or the configuration, e.g. dimensions, of the embossments or the shaping tools therefor
    • B29C59/025Fibrous surfaces with piles or similar fibres substantially perpendicular to the surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0044Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping edges or extremities
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B21/00Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/02Pile fabrics or articles having similar surface features
    • D04B21/04Pile fabrics or articles having similar surface features characterised by thread material
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B21/00Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/20Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting articles of particular configuration
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B35/00Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06CFINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C13/00Shearing, clipping or cropping surfaces of textile fabrics; Pile cutting; Trimming seamed edges
    • D06C13/08Cutting pile loops
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2793/00Shaping techniques involving a cutting or machining operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/727Fastening elements
    • B29L2031/729Hook and loop-type fasteners
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/765Articles provided with piles, e g. nap on cloth
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00Wearing apparel
    • D10B2501/06Details of garments
    • D10B2501/063Fasteners
    • D10B2501/0632Fasteners of the touch-and-close type
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/041Reshape

Definitions

  • the present invention employs a base fabric having a series of looped piles in regular rows upstanding therefrom as a starting material.
  • the rows of loops first are held by rods inserted therein and, in accordance with certain forms of the invention thereafter platens or rollers are to provide heat and pressure caused to pass over the upper ends of the rods thus effecting the conversion of the loops into various hooked forms.
  • the invention further provides chemical means in combination with mechanical pressure for converting loops into hooked forms.
  • FIG. 5 is an alternate form of heated platen employing a similar method to that of FIG. 1;
  • FIG. 6 is a detail showing of the platen used in the apparatus of FIG. 5;
  • FIG. 7 is still another alternate form of apparatus to convert loops into a series of knob shaped hooks.
  • FIG. 8 illustrates the use of a chemical bath to begin initial deformation of loops.
  • FIGS. 1-4 there has been illustrated a base fabric 10 which may be knitted or woven and upstanding rows of loops 11 has inserted therebetween a rod or mandrel 12 which will maintain the loops in their upstanding position.
  • a first heated platen 13 will be passedover the tops of the loops 11 to melt the summits thereof (see FIG. 3).
  • a second platen therefrom a plurality of rows of loops 11.
  • Each of the 14 of cooler temperature will be passed over the now melted ends 11a of the two upstanding legs 1 1b of each loop 11 to press the still molten ends into knob 1111 as shown in FIG. 4.
  • a heated platen 16 has a triangular shaped ridge 17 along the bottom thereof, the front end 17a being of sharp or fairly acute angular shape while the rear 17b of substantially flatter angular shape.
  • the front end 17a is kept at a high temperature while the rear end 17b is kept at a lower temperature; consequently, the loops 11' will be heated and cut by the front end 17a and the passing of the rear end 17b will cause the half melted loops to be crushed to form into knob like projections such as those shown in FIG. 4.
  • loops 11 are held by rods 12 and are first subjected to the cutting action of rotary cutter 20. Thereafter, a heated roller 21 will pass over the cut ends to melt and crush the loop ends into the configuration of FIG. 4.
  • FIG. 8 discloses an alternate method employing the use of a chemical bath 22.
  • fabric having upstanding loops 11 has passed over a roller 23 which dips the summits of the loops 11 into a chemical solvent.
  • a chemical solvent For example in the case of nylon, formic acid would be used.
  • the chemical solution half melts the tip ends of the loops thereby softening them.
  • the loops will be passed beneath a pressing roller 24 which crushes the softened tip ends, the applied chemical being removed by evaporation or other suitable methods to fix the shape of the deformed tip ends.
  • the above methods and apparatus as disclosed will produce a pile fabric which is very suitable for use as a fastener.
  • the hook or the knoblike hooks formed will interengage with loop pile material or with other knob ended pile material.
  • the method of forming knob-like projections from a multiplicity of pile loops upstanding from a flat base material to form a hooked pile surface suitable for use as a fastener element comprising, taking a flat base sheet having rows of loops upstanding therefrom made of a heat deformable material, rigidly supporting said loops in an uprightposition by placing a mandrel within said loops, applying heat and pressure to the summits of said loops to melt the summits while separating said loops to form separate upstanding legs, and thereafter cooling the ends of said upstanding legs while simultaneously pressing the ends of said legs into knob-like projections.
  • step of applying heat and pressure is accomplished by passing a heated platen linearly along said rows of loops and the step of cooling and pressing is accomplished by passing a cooling platen linearly along said rows of loops.
  • knob-like projections from a multiplicity of pile loops upstanding from a flat base legs while simultaneously forming the ends of said upstanding legs into softened partially formed knob-like projections and applying pressure to the ends of said legs to crush and to form the softened ends into knoblike projections.

Abstract

Methods are disclosed including the use of heat and chemicals for converting loops upstanding from a base fabric into hook members suitable for use in hook and loop fasteners.

Description

United States Patent 1191 Hamano 1451 Feb. 27, 1973 METHOD FOR MAKING HOOK [56] References Cited F ABRIC MATERIAL FOR FASTENERS UNITED STATES PATENTS [75] Inventor: msaslnhmam P 3 607,995 9/1971 Chiba "264/322 3,320,649 5/1967 Naimer.... [73] Ass'gnee g' y i ib g Cmporafion 2,582,132 1/1952 Kaphan ..264/343 x ew 1 2,587,792 3/1952 Sivers ..264/DIG. 66 [22] i d; 17,1970 3,408,705 11/1968 Kayser ..24/204 PP NO-I 90,382 Primary ExaminerRobert F. White Assistant Examiner-Richard R. Kucia 52 us. c1. ..264/l63, 28/72 P, 264/296, Tay'm and Adams 264/322 [5 Int. [58] Field 0fSearcl'1..264/322, DIG. 66, 163, 1 294-29 Methods are disclosed including the use of heat and chemicals for converting loops upstanding from a base fabric into hook members suitable for use in hook and loop fasteners.
3 Claims, 8 Drawing Figures PATENTED E Z 3,718,725
SHEET 10F 2 INVENTOR. HISASHI HAMANO ATTORNEYS PATENTEDFEBZYIBH SHEET 2 BF 2 INVENTOR. HISASHI HAMANO BY ,6 /f7% i w ATTORNEYS METHOD FOR MAKING HOOK FABRIC MATERIAL FOR FASTENERS BACKGROUND OF THE INVENTION Hook and loop fasteners have found many applications and operate on the principle of having two interengaging surfaces one of loops and the other of hooks. Separation is effected by peeling one fastener element from the other. Much effort has been spent in SUMMARY OF THE INVENTION The present invention employs a base fabric having a series of looped piles in regular rows upstanding therefrom as a starting material. The rows of loops first are held by rods inserted therein and, in accordance with certain forms of the invention thereafter platens or rollers are to provide heat and pressure caused to pass over the upper ends of the rods thus effecting the conversion of the loops into various hooked forms. The invention further provides chemical means in combination with mechanical pressure for converting loops into hooked forms.
These and other aspects of the invention will become apparent from a detailed examination of the following description of preferred embodiments and of the accompanying drawing.
BRIEF DESCRIPTION OF THE DRAWING loop into two hook-like forms.
FIG. 5 is an alternate form of heated platen employing a similar method to that of FIG. 1;
FIG. 6 is a detail showing of the platen used in the apparatus of FIG. 5;
FIG. 7 is still another alternate form of apparatus to convert loops into a series of knob shaped hooks; and
FIG. 8 illustrates the use of a chemical bath to begin initial deformation of loops.
DESCRIPTION OF A PREFERRED EMBODIMENT .Referring to the drawing and initially to FIGS. 1-4 thereof, there has been illustrated a base fabric 10 which may be knitted or woven and upstanding rows of loops 11 has inserted therebetween a rod or mandrel 12 which will maintain the loops in their upstanding position. A first heated platen 13 will be passedover the tops of the loops 11 to melt the summits thereof (see FIG. 3). Thereafter, a second platen therefrom a plurality of rows of loops 11. Each of the 14 of cooler temperature will be passed over the now melted ends 11a of the two upstanding legs 1 1b of each loop 11 to press the still molten ends into knob 1111 as shown in FIG. 4.
In accordance with the apparatus of FIGS. 5 and 6, a variation of the apparatus and method of FIG. 1 has been shown. A heated platen 16 has a triangular shaped ridge 17 along the bottom thereof, the front end 17a being of sharp or fairly acute angular shape while the rear 17b of substantially flatter angular shape. The front end 17a is kept at a high temperature while the rear end 17b is kept at a lower temperature; consequently, the loops 11' will be heated and cut by the front end 17a and the passing of the rear end 17b will cause the half melted loops to be crushed to form into knob like projections such as those shown in FIG. 4.
In accordance with the embodiment of FIG. 7, loops 11 are held by rods 12 and are first subjected to the cutting action of rotary cutter 20. Thereafter, a heated roller 21 will pass over the cut ends to melt and crush the loop ends into the configuration of FIG. 4.
FIG. 8 discloses an alternate method employing the use of a chemical bath 22. In accordance with this method, fabric having upstanding loops 11 has passed over a roller 23 which dips the summits of the loops 11 into a chemical solvent. For example in the case of nylon, formic acid would be used. The chemical solution half melts the tip ends of the loops thereby softening them. Thereafter, the loops will be passed beneath a pressing roller 24 which crushes the softened tip ends, the applied chemical being removed by evaporation or other suitable methods to fix the shape of the deformed tip ends.
The above methods and apparatus as disclosed will produce a pile fabric which is very suitable for use as a fastener. The hook or the knoblike hooks formed will interengage with loop pile material or with other knob ended pile material.
It will be understood that the above description of preferred embodiments is merely representative and that reference should be made to the appended claims in order to o appreciate the spirit and scope of the present invention.
What is claimed is:
1. The method of forming knob-like projections from a multiplicity of pile loops upstanding from a flat base material to form a hooked pile surface suitable for use as a fastener element comprising, taking a flat base sheet having rows of loops upstanding therefrom made of a heat deformable material, rigidly supporting said loops in an uprightposition by placing a mandrel within said loops, applying heat and pressure to the summits of said loops to melt the summits while separating said loops to form separate upstanding legs, and thereafter cooling the ends of said upstanding legs while simultaneously pressing the ends of said legs into knob-like projections.
2. The method according to claim 1 wherein the step of applying heat and pressure is accomplished by passing a heated platen linearly along said rows of loops and the step of cooling and pressing is accomplished by passing a cooling platen linearly along said rows of loops.
3. The method of forming knob-like projections from a multiplicity of pile loops upstanding from a flat base legs while simultaneously forming the ends of said upstanding legs into softened partially formed knob-like projections and applying pressure to the ends of said legs to crush and to form the softened ends into knoblike projections.
III t

Claims (2)

  1. 2. The method according to claim 1 wherein the step of applying heat and pressure is accomplished by passing a heated platen linearly along said rows of loops and the step of cooling and pressing is accomplished by passing a cooling platen linearly along said rows of loops.
  2. 3. The method of forming knob-like projections from a multiplicity of pile loops upstanding from a flat base material to form a hooked pile surface suitable for use as a fastener element comprising, taking a base sheet material having rows of upstanding loops made of a chemically deformable material, dipping the ends of said loops into a chemical solvent to cause separation of the summits of said loops into separate upstanding legs while simultaneously forming the ends of said upstanding legs into softened partially formed knob-like projections and applying pressure to the ends of said legs to crush and to form the softened ends into knob-like projections.
US00090382A 1970-11-17 1970-11-17 Method for making hook fabric material for fasteners Expired - Lifetime US3718725A (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US9038270A 1970-11-17 1970-11-17
GB163671 1971-01-13
AU24382/71A AU459534B2 (en) 1970-11-17 1971-01-15 Hook fabric material for fasteners
CH81671A CH574809A5 (en) 1970-11-17 1971-01-20
CH702071*A CH579886B5 (en) 1970-11-17 1971-01-20
NL7100802.A NL162551C (en) 1970-11-17 1971-01-21 APPARATUS FOR MANUFACTURING CROCHET PROJECTS.
DE19712104317 DE2104317C3 (en) 1971-01-29 Device for the production of mushroom-shaped coupling elements of a surface zipper
FR7103148A FR2123220B1 (en) 1970-11-17 1971-01-29
US29210272A 1972-09-25 1972-09-25

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US3718725A true US3718725A (en) 1973-02-27

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US00090382A Expired - Lifetime US3718725A (en) 1970-11-17 1970-11-17 Method for making hook fabric material for fasteners
US00292102A Expired - Lifetime US3770359A (en) 1970-11-17 1972-09-25 Apparatus for the manufacture of hook fabric material for fasteners

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Application Number Title Priority Date Filing Date
US00292102A Expired - Lifetime US3770359A (en) 1970-11-17 1972-09-25 Apparatus for the manufacture of hook fabric material for fasteners

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US (2) US3718725A (en)
AU (1) AU459534B2 (en)
BE (1) BE762388A (en)
CH (3) CH579886B5 (en)
FR (1) FR2123220B1 (en)
GB (1) GB1343604A (en)
NL (1) NL162551C (en)

Cited By (63)

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US4110138A (en) * 1977-03-17 1978-08-29 Junichi Nomura Hand craft yarn art materials and structure and methods of manufacture and use thereof
FR2410693A1 (en) * 1977-12-05 1979-06-29 Velcro Usa KNITTED FABRIC WITH HANGING ELEMENTS AND ITS PRODUCTION PROCESS AND MACHINE
FR2456153A1 (en) * 1979-05-09 1980-12-05 Yoshida Kogyo Kk TAPE FOR SELF-HANGING CLOSURE AND MANUFACTURING METHOD THEREOF
US4272473A (en) * 1978-12-07 1981-06-09 The Procter & Gamble Company Method for embossing and perforating a running ribbon of thermoplastic film on a metallic pattern roll
US4853070A (en) * 1988-04-20 1989-08-01 Erblok Associates Apparatus for making multiple hook fastener media
US4862563A (en) * 1987-07-13 1989-09-05 Jane Marie Flynn Securing strap and fastener
US5077870A (en) * 1990-09-21 1992-01-07 Minnesota Mining And Manufacturing Company Mushroom-type hook strip for a mechanical fastener
WO1994023610A1 (en) * 1993-04-16 1994-10-27 Minnesota Mining And Manufacturing Company Mushroom-type hook strip for a mechanical fastener
US5505747A (en) * 1994-01-13 1996-04-09 Minnesota Mining And Manufacturing Company Method of making an abrasive article
EP0771537A2 (en) 1995-11-06 1997-05-07 Ykk Corporation Molded surface fastener, and method and apparatus for manufacturing the same
US5691026A (en) * 1993-07-27 1997-11-25 Minnesota Mining And Manufacturing Company Fastener member with a dual purpose cover sheet
US5691027A (en) * 1993-07-27 1997-11-25 Minnesota Mining And Manufacturing Company Fastener with a dual purpose cover sheet
US5725423A (en) * 1994-01-13 1998-03-10 Minnesota Mining And Manufacturing Company Abrading apparatus
WO1998014086A1 (en) * 1996-10-03 1998-04-09 Minnesota Mining And Manufacturing Company J hook-type hook strip for a mechanical fastener
US5785784A (en) * 1994-01-13 1998-07-28 Minnesota Mining And Manufacturing Company Abrasive articles method of making same and abrading apparatus
US5845375A (en) * 1990-09-21 1998-12-08 Minnesota Mining And Manufacturing Company Mushroom-type hook strip for a mechanical fastener
US5868987A (en) * 1997-06-19 1999-02-09 Minnesotamining And Manufacturing Superimposed embossing of capped stem mechanical fastener structures
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US20080193709A1 (en) * 2006-10-27 2008-08-14 Nanlin Han Fiber Products, Prepregs, Composites and Method of Producing Same
US20080195231A1 (en) * 2000-04-20 2008-08-14 Francois-Regis Ory Prosthetic knit with grip properties, method for its production, and reinforcement implant for treatment of parietal defects
US7785095B2 (en) 2001-03-14 2010-08-31 Velcro Industries B.V. Molding apparatus and related methods
USRE42475E1 (en) * 2001-06-04 2011-06-21 Velcro Industries B.V. Fasteners engageable with loops of nonwoven fabrics and with other open structures, and methods and machines for making fasteners
US8398909B1 (en) * 2008-09-18 2013-03-19 Carnegie Mellon University Dry adhesives and methods of making dry adhesives
WO2013071031A1 (en) 2011-11-10 2013-05-16 The Procter & Gamble Company Absorbent articles with hook and loop fastening systems
WO2014005043A1 (en) 2012-06-29 2014-01-03 The Procter & Gamble Company Fastening system having multicomponent fiber component providing enhanced separation resistance
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WO2014004807A1 (en) 2012-06-29 2014-01-03 The Procter & Gamble Company Method for producing a multi-layer nonwoven web having enhanced mechanical properties
JP2014501588A (en) * 2010-12-21 2014-01-23 スリーエム イノベイティブ プロパティズ カンパニー Method for making a structured surface and article obtained therefrom
US8678807B2 (en) 2000-10-24 2014-03-25 Velcro Industries B.V. Molding apparatus and related methods
US9056032B2 (en) 2012-06-29 2015-06-16 The Procter & Gamble Company Wearable article with outwardmost layer of multicomponent fiber nonwoven providing enhanced mechanical features
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US9609920B2 (en) 2013-09-06 2017-04-04 Kimberly-Clark Worldwide, Inc. Process for modifying a hook profile of a fastening component and a fastening component having hooks with a modified profile
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NL162551C (en) 1980-01-15
BE762388A (en) 1971-08-02
NL7100802A (en) 1972-07-25
CH702071A4 (en) 1976-04-30
CH579886B5 (en) 1976-09-30
NL162551B (en) 1980-01-15
AU459534B2 (en) 1975-03-10
CH574809A5 (en) 1976-04-30
AU2438271A (en) 1972-07-20
FR2123220B1 (en) 1977-01-28
DE2104317A1 (en) 1972-08-24
US3770359A (en) 1973-11-06
DE2104317B2 (en) 1977-06-16
FR2123220A1 (en) 1972-09-08
GB1343604A (en) 1974-01-16

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