US20010010164A1 - Hook and loop fastening structure - Google Patents
Hook and loop fastening structure Download PDFInfo
- Publication number
- US20010010164A1 US20010010164A1 US09/824,171 US82417101A US2001010164A1 US 20010010164 A1 US20010010164 A1 US 20010010164A1 US 82417101 A US82417101 A US 82417101A US 2001010164 A1 US2001010164 A1 US 2001010164A1
- Authority
- US
- United States
- Prior art keywords
- loops
- stitches
- chain stitches
- loop
- wales
- 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.)
- Granted
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Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/02—Pile fabrics or articles having similar surface features
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
- A44B18/0023—Woven or knitted fasteners
- A44B18/0034—Female or loop elements
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
- D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
- D04B21/165—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads with yarns stitched through one or more layers or tows, e.g. stitch-bonded fabrics
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/06—Details of garments
- D10B2501/063—Fasteners
- D10B2501/0632—Fasteners of the touch-and-close type
Definitions
- This invention relates to a hook and loop attachment or fastening structure.
- such structures comprise both male and female components; the male component having a series of hooks, and the female component having a wale of corresponding loops, connectable to the hooks to enable fastening.
- the present invention is particularly concerned with the female component of the structure.
- An object of the present invention is to provide a female member of a hook and loop attachment structure which enables a 1 to 1 correspondence between loops and stitches in the knit structure. Similarly, it is intended to show a female member wherein there is a loop formed at each stitch of the background fabric. A further object is to form the loops using only a single loop bar.
- a female member of a hook and loop fastening or attachment structure comprising individual wales of chain stitches with loops, wherein the wales of chain stitches are knitted on a supporting background, characterized in that there is a corresponding number of loops to stitches.
- each stitch is associated with a respective loop.
- each loop may be attached to two respective stitches.
- the background structure may be a regular warp knitted fabric.
- it may be a weft insertion warp knitted fabric.
- the support background may be of a non-woven material or a film material.
- the wales of chain stitches with loops may be made with a single yarn or with two yarns.
- FIGS. 1 to 1 c are schematic representations of a novel loop pile using a single yarn
- FIG. 2 a is a point diagram of the action of the guide bar of a knitting machine to produce the embodiment of FIG. 1 with a closed stitch construction; the Arrow A indicates the needle making the chain stitches 2 on FIG. 1;
- FIG. 2 b is a point diagram of the action of the guide bar of a knitting machine to produce the embodiment of FIG. 1 with an opened stitch construction; the Arrow A indicates the needle making the chain stitches 2 FIG. 1;
- FIGS. 3 to 3 c are schematic representation of a further novel loop pile using two yarns
- FIG. 4 a is a point diagram of the action of the guide bar of a knitting machine to produce the embodiment of FIG. 3 with a closed stitch construction; the Arrow A indicates the needle making the chain stitches 5 on FIG. 3;
- FIG. 4 b is a point diagram of the action of the guide bar of a knitting machine to produce the embodiment of FIG. 3 with an opened stitch construction; the Arrow A indicates the needle making the chain stitches 5 on FIG. 3;
- FIGS. 5 a and 5 b are point diagrams of the action of a guide bar of a knitting machine to produce the embodiment of FIG. 1 c;
- FIGS. 6 a and 6 b are point diagrams of the action of a guide bar of a knitted machine to produce the embodiment of FIG. 3 c;
- FIGS. 7 a to 7 d are point diagrams of the action of a guide bar of a knitting machine to produce a two yarn loop pile with alternating closed and opened stiches;
- FIG. 8 shows a weft insertion warp knitted fabric having vertical spaced apart bands, the bands alternatively being with and without chain stitches with loops.
- chain stitches 2 on a wale 1 are each associated with respective loops 3 .
- the loops 3 are upstanding and provide a female connecting means to a male member comprising engageable hooks (non shown).
- the loops may be made from a specific yarn using a single guide bar.
- the wale in use, would typically be supported on a background, which may be a knitted fabric as referenced 14 in FIGS. 1 a and 3 a, or a film or other non-woven material as referenced 15 in FIGS. 1 b and 3 b.
- a background which may be a knitted fabric as referenced 14 in FIGS. 1 a and 3 a, or a film or other non-woven material as referenced 15 in FIGS. 1 b and 3 b.
- the loops 3 are made on the front side of the chain stitches 2 .
- the front side is opposed to the back side or technical side for a knitted fabric and in FIG. 3 the loops 4 are made on the front side of the chain stitches 5 .
- FIGS. 2 a and 2 b demonstrate how either closed stitches or opened stitches may be used.
- the pattern wheel of the front bar of a knitting machine is set to knit a 1-3, 2-0 closed stitch.
- FIG. 2 b the pattern wheel of the front bar of a knitting machine is set to knit a 3-1, 0-2 opened stitch.
- FIG. 3 illustrates an alternative embodiment wherein two yarns are employed Y 1 , Y 2 .
- each loop 4 extends from two underlying chain stitches 5 , there still being a corresponding number of loops 4 to stitches 5 .
- FIG. 4 a shows a point diagram for the embodiment of FIG. 3 using a stitch notation of 1-0/2-3 to form a closed stitch.
- the stitch notation could alternatively be 0-1/3-2 forming an opened stitch structure as illustrated in FIG. 4 b.
- the pattern wheel is wt to knit at 2-5/3-0 for closed stitches.
- FIGS. 6 a and 6 b For the two yarns loops as shown in FIG. 3C it is possible in the same way to increase the height of the loops 3 , that is by having a bigger movement between needles is shown in FIGS. 6 a and 6 b.
- the pattern wheel In FIG. 6 a the pattern wheel is set to knit at 1-0/3-4 for closed stitches.
- the pattern wheel In FIG. 6 b the pattern wheel is set to knit at 0-1/4-3 for opened stitches.
- the tow yarn loops it is also possible to alternate closed and opened stitches at each row or at different rows as shown in FIGS. 7 a, 7 b, 7 c and 7 d.
- a preferable support background for the embodiment of FIG. 3 is a weft insertion warp knitted fabric as shown in FIG. 3 a.
- another guide bar is used to add chain stitches without loops.
- the guide bar preferably carries textured polyester, while the knitted support background yarn may be flat polyester.
- the weft insertion yarn may be textured polyester.
- the weft insertion yarn may be textured polyester.
- the present invention is not so limited however, and multifilament flat yarns and monofilament could also be used in any type of material.
- an additional yarn can be employed, using an additional guide bar, to simultaneously form other chain stitches with the same needle making the chain stitches with loops (A).
- the additional bar should not work with the needles making the loop piles.
- An advantage of the invention is that it permits increased formation speed or increased loop density in a given fabric area, thereby substantially improving the performance of the Tricot and Raschel knitting machines.
- a weft insertion warp knitted fabric 50 is provided with vertical bands x 1 , x 2 , x 3 alternatively with and without chain stitches with lops.
- the support background may also be of a non-woven of film material.
- the support background 50 has vertical bands x made with certain number of chain stitches with loops 10 .
- Each vertical band of loops is made with consecutive chain stitches with loops obtained with yarns threaded on the same guide bar on a warp knitted machine, or on weft-insertion warp knitted machine, with or with out non-woven or film stitched through with a nonwoven or with a film as support background.
- the chain stitches with loops stitched through the support do not need additional yarn from another guide bar in warp and also do not need weft yarn—but it's possible to have both warp and weft or only the warp or only the weft in addition.
- a precise threading is provided to obtain the vertical band of loops.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Of Fabric (AREA)
Abstract
A female member of a hook and loop attachment structure enables a one to one correspondence between loops and stitches in the knitted structure. The female member comprises individual wales of chain stitches with loops, wherein the wales of chain stitches are knitted on a supporting background, such that there is a corresponding number of loops to stitches. Each stitch may be associated with a respective loop or each loop may be attached to two respective stitches. The loops may be formed using a single guide bar, and the wales of chain stitches with loops may be made either with a single yarn or with two yarns.
Description
- This invention relates to a hook and loop attachment or fastening structure.
- Typically, such structures comprise both male and female components; the male component having a series of hooks, and the female component having a wale of corresponding loops, connectable to the hooks to enable fastening. The present invention is particularly concerned with the female component of the structure.
- In our earlier U.S. Pat. No. 4,624,116 there is described a warp knit, weft inserted fabric which can be employed as the female component of a securing means. The disclosure in that document provides for open lap loops, formed by the front bar of a knitting machine, which project upwardly from the fabric on every second stitch.
- An object of the present invention is to provide a female member of a hook and loop attachment structure which enables a 1 to 1 correspondence between loops and stitches in the knit structure. Similarly, it is intended to show a female member wherein there is a loop formed at each stitch of the background fabric. A further object is to form the loops using only a single loop bar.
- According to a first aspect of the present invention there is provided a female member of a hook and loop fastening or attachment structure comprising individual wales of chain stitches with loops, wherein the wales of chain stitches are knitted on a supporting background, characterized in that there is a corresponding number of loops to stitches.
- Optionally, each stitch is associated with a respective loop. Alternatively, each loop may be attached to two respective stitches.
- Optionally the background structure may be a regular warp knitted fabric. Alternatively, it may be a weft insertion warp knitted fabric.
- A further alternative is that the support background may be of a non-woven material or a film material.
- According to a second aspect of the present invention there is provided a method for producing a female component of an hook and lop fastening structure as described above wherein the loops are formed using a single guide bar.
- The wales of chain stitches with loops may be made with a single yarn or with two yarns.
- In order to portray a better understanding of the intended invention, embodiments will now be described, by way of example only, with reference to the accompanying figures, in which:
- FIGS.1 to 1 c are schematic representations of a novel loop pile using a single yarn;
- FIG. 2a is a point diagram of the action of the guide bar of a knitting machine to produce the embodiment of FIG. 1 with a closed stitch construction; the Arrow A indicates the needle making the
chain stitches 2 on FIG. 1; - FIG. 2b is a point diagram of the action of the guide bar of a knitting machine to produce the embodiment of FIG. 1 with an opened stitch construction; the Arrow A indicates the needle making the
chain stitches 2 FIG. 1; - FIGS.3 to 3 c are schematic representation of a further novel loop pile using two yarns;
- FIG. 4a is a point diagram of the action of the guide bar of a knitting machine to produce the embodiment of FIG. 3 with a closed stitch construction; the Arrow A indicates the needle making the
chain stitches 5 on FIG. 3; - FIG. 4b is a point diagram of the action of the guide bar of a knitting machine to produce the embodiment of FIG. 3 with an opened stitch construction; the Arrow A indicates the needle making the
chain stitches 5 on FIG. 3; - FIGS. 5a and 5 b are point diagrams of the action of a guide bar of a knitting machine to produce the embodiment of FIG. 1c;
- Similarly FIGS. 6a and 6 b are point diagrams of the action of a guide bar of a knitted machine to produce the embodiment of FIG. 3c;
- Similarly FIGS. 7a to 7 d are point diagrams of the action of a guide bar of a knitting machine to produce a two yarn loop pile with alternating closed and opened stiches;
- FIG. 8 shows a weft insertion warp knitted fabric having vertical spaced apart bands, the bands alternatively being with and without chain stitches with loops.
- Referring firstly to FIGS.1 to 1 c and 3 to 3 c,
chain stitches 2 on a wale 1 are each associated withrespective loops 3. Theloops 3 are upstanding and provide a female connecting means to a male member comprising engageable hooks (non shown). The loops may be made from a specific yarn using a single guide bar. - The wale, in use, would typically be supported on a background, which may be a knitted fabric as referenced14 in FIGS. 1a and 3 a, or a film or other non-woven material as referenced 15 in FIGS. 1b and 3 b.
- Where a firm or non-woven material was employed the wales would preferably be stitched through the background material.
- Notably in FIG. 1 the
loops 3 are made on the front side of thechain stitches 2. - The front side is opposed to the back side or technical side for a knitted fabric and in FIG. 3 the
loops 4 are made on the front side of thechain stitches 5. - Having regard to the embodiments of FIG. 1, FIGS. 2a and 2 b demonstrate how either closed stitches or opened stitches may be used. In FIG. 2a the pattern wheel of the front bar of a knitting machine is set to knit a 1-3, 2-0 closed stitch. In FIG. 2b the pattern wheel of the front bar of a knitting machine is set to knit a 3-1, 0-2 opened stitch.
- FIG. 3 illustrates an alternative embodiment wherein two yarns are employed Y1, Y2.
- In the embodiment shown each
loop 4 extends from twounderlying chain stitches 5, there still being a corresponding number ofloops 4 tostitches 5. - FIG. 4a shows a point diagram for the embodiment of FIG. 3 using a stitch notation of 1-0/2-3 to form a closed stitch. The stitch notation could alternatively be 0-1/3-2 forming an opened stitch structure as illustrated in FIG. 4b.
- For the one yarn loops as showed in FIG. 1C it is possible to increase the height of the loops by having a bigger movement around the needles as shown in FIGS. 5a and 5 b.
- In FIG. 5b the pattern wheel is wt to knit at 2-5/3-0 for closed stitches.
- For the two yarns loops as shown in FIG. 3C it is possible in the same way to increase the height of the
loops 3, that is by having a bigger movement between needles is shown in FIGS. 6a and 6 b. In FIG. 6a the pattern wheel is set to knit at 1-0/3-4 for closed stitches. In FIG. 6b the pattern wheel is set to knit at 0-1/4-3 for opened stitches. For the tow yarn loops it is also possible to alternate closed and opened stitches at each row or at different rows as shown in FIGS. 7a, 7 b, 7 c and 7 d. - A preferable support background for the embodiment of FIG. 3 is a weft insertion warp knitted fabric as shown in FIG. 3a. In this embodiment another guide bar is used to add chain stitches without loops.
- In constructing the female component of the securing or attachment means, the guide bar preferably carries textured polyester, while the knitted support background yarn may be flat polyester. The weft insertion yarn may be textured polyester. The weft insertion yarn may be textured polyester. The present invention is not so limited however, and multifilament flat yarns and monofilament could also be used in any type of material.
- To avoid de-knitting an additional yarn can be employed, using an additional guide bar, to simultaneously form other chain stitches with the same needle making the chain stitches with loops (A).
- The additional bar should not work with the needles making the loop piles.
- With the invention it is possible to vary the number of wales of chain stitches with loops. It is also possible to vary the size of the stitches without compromising n the performance of the loops.
- An advantage of the invention is that it permits increased formation speed or increased loop density in a given fabric area, thereby substantially improving the performance of the Tricot and Raschel knitting machines.
- In FIG. 8 a weft insertion warp knitted
fabric 50 is provided with vertical bands x1, x2, x3 alternatively with and without chain stitches with lops. The support background may also be of a non-woven of film material. - The
support background 50 has vertical bands x made with certain number of chain stitches withloops 10. The vertical bands x, x1, x2 in the way of warp, could have the same at different widths by changing the number of chain stitches with loops per vertical band. Each vertical band of loops is made with consecutive chain stitches with loops obtained with yarns threaded on the same guide bar on a warp knitted machine, or on weft-insertion warp knitted machine, with or with out non-woven or film stitched through with a nonwoven or with a film as support background. The chain stitches with loops stitched through the support do not need additional yarn from another guide bar in warp and also do not need weft yarn—but it's possible to have both warp and weft or only the warp or only the weft in addition. - Preferably, a precise threading is provided to obtain the vertical band of loops.
- By way of example, the following threading sequences are given:
- with the pattern wheel set to knit as shown in FIGS. 2a and 2 b, the threading:
- 1 in, 2 out may be used.
- with the pattern wheel set to knit as shown in FIGS. 4a and 4 b, the threading:
- 2 in, 1 out may be used.
- with the pattern wheel set to kit as shown in FIGS. 5a and 5 b, the threading:
- 1 in, 4 out may be used.
- with the pattern wheel set to knit as shown in FIGS. 6a and 6 b, the threading:
- 2 in, 2 out may be used.
- Further modifications and improvements may be incorporated without departing from the scope of the invention herein intended.
Claims (1)
1. A method of producing a female member of a hook and loop fastening or attachment structure comprising individual wales of chain stitches with loops, wherein the wales of chain stitches are knitted on a supporting background, characterized in that there is a corresponding number of loops to stitches, and that said individual wales of chain stitches with loops are made with at most two yarns, said method comprising the knitting of said individual wales of chain stitches and loops therein through formation by utilization of a single guide bar.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/824,171 US6367291B2 (en) | 1997-10-22 | 2001-04-02 | Hook and loop fastening structure |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP1997/005846 WO1998017140A1 (en) | 1996-10-23 | 1997-10-22 | Hook and loop fastening structure |
GCPCT/EP97/05846 | 1997-10-22 | ||
US09/292,899 US6449989B2 (en) | 1996-10-23 | 1999-04-16 | Hook and loop fastening structure |
US09/824,171 US6367291B2 (en) | 1997-10-22 | 2001-04-02 | Hook and loop fastening structure |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/292,899 Division US6449989B2 (en) | 1996-10-23 | 1999-04-16 | Hook and loop fastening structure |
Publications (2)
Publication Number | Publication Date |
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US20010010164A1 true US20010010164A1 (en) | 2001-08-02 |
US6367291B2 US6367291B2 (en) | 2002-04-09 |
Family
ID=23126716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/824,171 Expired - Fee Related US6367291B2 (en) | 1997-10-22 | 2001-04-02 | Hook and loop fastening structure |
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US (1) | US6367291B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1811070A1 (en) * | 2006-01-23 | 2007-07-25 | Mattes & Ammann KG | Method for manufacturing a textile fabric with loops for hook and loop attachments and corresponding fabric |
EP1842444A1 (en) * | 2006-04-06 | 2007-10-10 | Gebr. Aurich Gmbh | Composite with handles, loops, lugs, eyelets or similar and method for manufacturing such a composite |
WO2015180889A1 (en) * | 2014-05-28 | 2015-12-03 | Mattes & Ammann Gmbh & Co. Kg | Grinding device for detachably fastening to a touch fastener |
US11441250B2 (en) * | 2018-06-12 | 2022-09-13 | Jiangnan University | Knitting method for warp knitted jacquard three-color figured fabric |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2811341B1 (en) * | 2000-07-04 | 2002-08-23 | Aplix Sa | DOUBLE LOOP ARRAY FABRIC AND MANUFACTURING METHOD |
US6910353B2 (en) | 2002-11-27 | 2005-06-28 | Milliken & Company | Printed loop fabric and method for producing the same |
US7325421B2 (en) * | 2002-11-27 | 2008-02-05 | Sasser Michael P | Printed loop fabric and method for producing the same |
DE102004018628A1 (en) * | 2004-04-16 | 2005-11-03 | Carl Zeiss Meditec Ag | Device and method for detecting eye movements |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4931343A (en) * | 1985-07-31 | 1990-06-05 | Minnesota Mining And Manufacturing Company | Sheet material used to form portions of fasteners |
FR2780989B1 (en) * | 1998-07-08 | 2000-12-22 | Aplix Sa | METHOD OF FORMING BY KNITTING LOOPS ON A SHEET, LOOP FABRIC REALIZED ACCORDING TO THIS METHOD, AND ITS USE |
US6158255A (en) * | 1998-08-07 | 2000-12-12 | Milliken & Company | Loop fabric with interlaced chain stitches |
US6216496B1 (en) * | 1998-09-04 | 2001-04-17 | Gehring Textiles, Inc. | High performance hook and loop closure system |
-
2001
- 2001-04-02 US US09/824,171 patent/US6367291B2/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1811070A1 (en) * | 2006-01-23 | 2007-07-25 | Mattes & Ammann KG | Method for manufacturing a textile fabric with loops for hook and loop attachments and corresponding fabric |
EP1842444A1 (en) * | 2006-04-06 | 2007-10-10 | Gebr. Aurich Gmbh | Composite with handles, loops, lugs, eyelets or similar and method for manufacturing such a composite |
WO2015180889A1 (en) * | 2014-05-28 | 2015-12-03 | Mattes & Ammann Gmbh & Co. Kg | Grinding device for detachably fastening to a touch fastener |
US11441250B2 (en) * | 2018-06-12 | 2022-09-13 | Jiangnan University | Knitting method for warp knitted jacquard three-color figured fabric |
Also Published As
Publication number | Publication date |
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US6367291B2 (en) | 2002-04-09 |
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