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US4709562A
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Warp-knit support tape for hook and loop fasteners
Assignee: YKK Corp
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Filing: 1986-10-23
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Granted: 1987-12-01
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Expires: 2006-10-23
Abstract
Abstract A warp-knit support tape for hook and loop fasteners comprises a foundation including two needle stitches and laid-in weft threads, and a pile portion having chain stitches formed by sinker looping into a multiplicity of pile-loops. The tape system is rendered highly resistant to stretch in either direction. The pile-loops are arranged to line up alternately at the right and at the left of the wales and tilted sidewise alternately in opposite directions.
Inventors
- 👤 Yoshio Matsuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:48
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/34; A44B18/00; A44B18/0023; A44B18/0034; D; D04; D04B; D04B21/00; D04B21/02; D10; D10B; D10B2403/00; D10B2403/01; D10B2403/011; D10B2403/0112; D10B2403/03; D10B2403/031; D10B2403/0311; D10B2501/00; D10B2501/06; D10B2501/063; D10B2501/0632; Y; Y10; Y10T; Y10T24/00; Y10T24/27; Y10T24/2733; Y10T24/2792
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
47 words
A warp-knit support tape for hook and loop fasteners which comprises a pile portion constructed with two needle stitches, laid-in weft threads and chain stitches formed by sinker looping into pile-loops, said pile-loops extending longitudinally of the tape alternately along the right and left sides of wales.
Claim 2
Dependent Claim
47 words
A warp-knit support tape for hook and loop fasteners which comprises a pile portion constructed with two needle stitches, laid-in weft threads and chain stitches formed by sinker looping into pile-loops, said pile-loops extending longitudinally of the tape alternately along the right and left sides of wales.
Claim 3
Dependent Claim
18 words
A warp-knit support tape according to claim 1 wherein said pile-loops are tilted sidewise alternately in opposite directions.
Claim 4
Dependent Claim
16 words
A warp-knit support tape according to claim 1 wherein said pile-loops extend over every other course.
Claim 5
Dependent Claim
15 words
A warp-knit support tape according tyo claim 1 wherein said pile-loops extend along each course.
Claim 6
Dependent Claim
29 words
A warp-knit support tape according to claim 1 wherein said two needle stitches have their sinker loops arranged to hold said pile-loops criss-cross against the foundation of the tape.
References Cited (Backward Citations)
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Cited
US3109302A
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US3845641A
Cited
US4338800A
Cited
JPS57381A
Cited
CA1189336A
Cited
US4467625A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-11-30 | 1991-06-01 | 1991-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-11-30 | 1995-06-01 | 1995-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-11-30 | 1999-06-01 | 1999-12-01 | $7700.00 | Window Closed / Lapsed |