Patent US4841749A successfully refreshed from Google Patents.
US4841749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warp-knit, weft-inserted fabric with multiple substrate layers and method of producing same
Assignee: Burlington Industries Inc
•
Filing: 1987-12-30
•
Granted: 1989-06-27
•
Expires: 2007-12-30
Abstract
Abstract Aesthetic warp-knit, weft-inserted fabrics are produced having multiple substrate layers, warp yarns extending in the warp-wise direction of the fabric, and weft yarns extending in the weft-wise direction of the fabric. The warp and/or weft yarns are interposed between the multiple substrate layers. Warp stitching yarns forming stitch wales spaced-apart along the warp-wise direction of the fabric and stitched through the substrate layers hold the warp and weft yarns in position relative to one another and relative to the substrates. The substrates may also be provided in juxtaposed relationship to one another so as to increase the opacity, esthetics, and dimensional stability of the resulting fabric. Thermoplastic fibers may be incorporated in the fabric such that upon plasticization and subsequent cooling, they assist in binding of the resulting fabric.
Inventors
- 👤 Vaclav Petracek
- 👤 Julius R. Schnegg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:01
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/08; D04H3/14; D04B; D04B21/00; D04B21/14; D04B21/16; D04B21/165; D04B23/00; D04B23/10; D10; D10B; D10B2403/00; D10B2403/01; D10B2403/011; D10B2403/0112; D10B2403/02; D10B2403/024; D10B2403/0241; D10B2403/02412; D10B2505/00; D10B2505/08
Claims Analysis
Total Claims: 35
Claim 1
Independent Claim
91 words
A warp-knit, weft-inserted fabric comprising at least first and second substrate layers, warp yarns extending in the warp-wise direction of said fabric, weft yarns extending in the weft-wise direction of said fabric, at least one of said warp and weft yarns is interposed between said at least first and second substrate layers, and warp stitching yarns forming stitch wales spaced apart along the warp-wise direction of said fabric and being stitched through said at least first and second substrate layers to hold said warp and weft yarns in position relative thereto.
Claim 2
Dependent Claim
91 words
A warp-knit, weft-inserted fabric comprising at least first and second substrate layers, warp yarns extending in the warp-wise direction of said fabric, weft yarns extending in the weft-wise direction of said fabric, at least one of said warp and weft yarns is interposed between said at least first and second substrate layers, and warp stitching yarns forming stitch wales spaced apart along the warp-wise direction of said fabric and being stitched through said at least first and second substrate layers to hold said warp and weft yarns in position relative thereto.
Claim 3
Dependent Claim
75 words
A warp-knit, weft-inserted fabric comprising a first substrate layer, plural warp yarns laid on a face of said first layer and extending in the warp-wise direction of said fabric, plural weft yarns laid over said warp yarns and extending in the weft-wise direction of said fabric, a second substrate layer laid over said warp and weft yarns, and stitching yarns stitched through said first and second layers for holding said warp and weft yarns therebetween.
Claim 4
Dependent Claim
75 words
A warp-knit, weft-inserted fabric comprising a first substrate layer, plural warp yarns laid on a face of said first layer and extending in the warp-wise direction of said fabric, plural weft yarns laid over said warp yarns and extending in the weft-wise direction of said fabric, a second substrate layer laid over said warp and weft yarns, and stitching yarns stitched through said first and second layers for holding said warp and weft yarns therebetween.
Claim 5
Dependent Claim
65 words
A warp-knit, weft-inserted fabric comprising a first substrate layer, plural warp yarns laid on a face of said first layer, a second substrate layer laid over said warp yarns, plural weft yarns laid over said second layer, and stitching yarns stitched through said first and second layers so as to hold said warp and weft yarns in position on said first and second layers, respectively.
Claim 6
Dependent Claim
65 words
A warp-knit, weft-inserted fabric comprising a first substrate layer, plural warp yarns laid on a face of said first layer, a second substrate layer laid over said warp yarns, plural weft yarns laid over said second layer, and stitching yarns stitched through said first and second layers so as to hold said warp and weft yarns in position on said first and second layers, respectively.
Claim 7
Dependent Claim
78 words
A warp-knit, weft-inserted fabric comprising first and second substrate layers, warp yarns laid on a face of one of said substrates, weft yarns laid over said warp yarns, and stitching yarns forming stitch loops stitched through said first and second substrate layers to hold said warp and weft yarns in position on said one substrate, the stitch loops disposed on one side of said second substrate layer, and the stitch underlap disposed over said warp and weft yarns.
Claim 8
Dependent Claim
78 words
A warp-knit, weft-inserted fabric comprising first and second substrate layers, warp yarns laid on a face of one of said substrates, weft yarns laid over said warp yarns, and stitching yarns forming stitch loops stitched through said first and second substrate layers to hold said warp and weft yarns in position on said one substrate, the stitch loops disposed on one side of said second substrate layer, and the stitch underlap disposed over said warp and weft yarns.
Claim 9
Dependent Claim
23 words
A warp-knit, weft-inserted fabric according to claim 1 wherein at least one of said first and second substrate layers is a nonwoven fabric.
Claim 10
Dependent Claim
24 words
A warp-knit, weft inserted fabric according to claim 1 further comprising a coating layer applied to a second face of said first substrate layer.
Claim 11
Dependent Claim
15 words
A warp-knit, weft-inserted fabric according to claim 1 further including at least some thermoplastic fibers.
Claim 12
Dependent Claim
59 words
A warp-knit, weft-inserted fabric having multiple fabric layers, warp yarns, and weft yarns, and wherein at least one of said warp and weft yarns is interposed between at least one pair of said multiple fabric layers, and warp stitching yarns stitched through said at least one pair of fabric layers and positionally holding said warp and weft yarns thereto.
Claim 13
Dependent Claim
59 words
A warp-knit, weft-inserted fabric having multiple fabric layers, warp yarns, and weft yarns, and wherein at least one of said warp and weft yarns is interposed between at least one pair of said multiple fabric layers, and warp stitching yarns stitched through said at least one pair of fabric layers and positionally holding said warp and weft yarns thereto.
Claim 14
Dependent Claim
24 words
A fabric as in claim 8, wherein both said warp and weft yarns are interposed between said at least one pair of fabric layers.
Claim 15
Dependent Claim
17 words
A fabric as in claim 8, further comprising a coating layer on at least one face thereof.
Claim 16
Dependent Claim
10 words
A fabric as in claim 8, further comprising thermoplastic fibers.
Claim 17
Dependent Claim
45 words
A fabric as in claim 8, wherein only said warp yarns are interposed between said at least one pair of fabric layers, while said weft yarns are positioned against a front face of one of said fabric layers in said at least one pair thereof.
Claim 18
Dependent Claim
23 words
A warp-knit, weft-inserted fabric according to claim 2 wherein at least one of said first and second substrate layers is a nonwoven fabric.
Claim 19
Dependent Claim
24 words
A warp-knit, weft inserted fabric according to claim 2 further comprising a coating layer applied to a second face of said first substrate layer.
Claim 20
Dependent Claim
15 words
A warp-knit, weft-inserted fabric according to claim 2 further including at least some thermoplastic fibers.
Claim 21
Dependent Claim
25 words
A warp-knit, weft inserted fabric according to claim 3 wherein said at least one of said first and second substrate layers is a nonwoven fabric.
Claim 22
Dependent Claim
24 words
A warp-knit, weft inserted fabric according to claim 3 further comprising a coating layer applied to a second face of said first substrate layer.
Claim 23
Dependent Claim
15 words
A warp-knit, weft-inserted fabric according to claim 3 further including at least some thermoplastic fibers.
Claim 24
Dependent Claim
23 words
A warp-knit, weft-inserted fabric according to claim 4 wherein at least one of said first and second substrate layers is a nonwoven fabric.
Claim 25
Dependent Claim
24 words
A warp-knit, weft inserted fabric according to claim 4 further comprising a coating layer applied to a second face of said first substrate layer.
Claim 26
Dependent Claim
15 words
A warp-knit, weft-inserted fabric according to claim 4 further including at least some thermoplastic fibers.
Claim 27
Independent Claim
80 words
A method of making a warp-knit, weft-inserted fabric comprising the steps of: (i) providing at least first and second substrates to a knitting area of a warp knitting area; (ii) laying-in warp yarns on a front face of said first substrate while laying-in weft yarns over said laid-in warp yarns; and (iii) stitching through said first and second substrates with warp stitching yarns to hold said warp and weft yarns in position with respect to said first and second substrates.
Claim 28
Independent Claim
80 words
A method of making a warp-knit, weft-inserted fabric comprising the steps of: (i) providing at least first and second substrates to a knitting area of a warp knitting area; (ii) laying-in warp yarns on a front face of said first substrate while laying-in weft yarns over said laid-in warp yarns; and (iii) stitching through said first and second substrates with warp stitching yarns to hold said warp and weft yarns in position with respect to said first and second substrates.
Claim 29
Independent Claim
83 words
A method of making a warp-knit, weft-inserted fabric comprising the steps of: (i) providing at least first and second substrates to a knitting area of a warp knitting area; (ii) laying-in warp yarns on a front face of said first substrate while laying-in weft yarns on a front face of said second substrate; and (iii) stitching through said first and second substrates with warp stitching yarns to hold said warp and weft yarns in position with respect to said first and second substrates.
Claim 30
Independent Claim
83 words
A method of making a warp-knit, weft-inserted fabric comprising the steps of: (i) providing at least first and second substrates to a knitting area of a warp knitting area; (ii) laying-in warp yarns on a front face of said first substrate while laying-in weft yarns on a front face of said second substrate; and (iii) stitching through said first and second substrates with warp stitching yarns to hold said warp and weft yarns in position with respect to said first and second substrates.
Claim 31
Dependent Claim
31 words
A method as in claim 22 wherein said weft yarns are laid-in over said warp yarns such that said warp and weft yarns are positioned between said first and second substrates.
Claim 32
Dependent Claim
56 words
A method as in claim 23 wherein said weft yarns are laid in on a front face of said second substrate such that said warp yarns are positioned between said first and second substrates and such that said weft yarns are inserted into loops formed by the underlap of stitches formed by said warp stitching yarns.
Claim 33
Dependent Claim
20 words
A method as in claim 22 or 23, further comprising the step of laying in at least some thermoplastic fibers.
Claim 34
Dependent Claim
45 words
A method as in claim 26, further comprising the step of subjecting said warp-knit, weft-insertion fabric to elevated temperature so as to plasticize said thermoplastic fibers, and then allowing said fabric to cool so that said thermoplastic fibers bond adjacent portions of said fabric thereto.
Claim 35
Dependent Claim
18 words
A method as in claim 27 utilizing heated roll means to subject said fabric to said elevated temperatures.
References Cited (Backward Citations)
DE68316C
Cited
US90A
Cited
US2890579A
Cited
US3077947A
Cited
US3362862A
Cited
US3279221A
Cited
US3567565A
Cited
US3649428A
Cited
US3769815A
Cited
US3906748A
Cited
US4145468A
Cited
DE2707001A1
Cited
GB2005318A
Cited
US4230057A
Cited
US4172170A
Cited
US4567738A
Cited
US4567738B1
Cited
US4376146A
Cited
US4399670A
Cited
US4361618A
Cited
US4437323A
Cited
US4450196A
Cited
GB2136026A
Cited
US4484459B1
Cited
US4484459A
Cited
US4677831A
Cited
US4497863A
Cited
US4548858A
Cited
US4608290A
Cited
US4703631A
Cited
USH90H
Cited
US4682480A
Cited
US4615934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-06-26 | 1992-12-26 | 1993-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-26 | 1996-12-26 | 1997-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-26 | 2000-12-26 | 2001-06-27 | $7700.00 | Window Closed / Lapsed |