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US3708836A
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US
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Warp-knit slide-fastener stringer
Assignee: Opti Holding AG
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Filing: 1970-10-20
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Granted: 1973-01-09
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Expires: 1990-10-20
Abstract
Abstract A slide-fastener stringer comprises a pair of warp-knit tapes having confronting edges carrying respective coupling elements. Each tape consists of a knit foundation formed by a plurality of transversely offset longitudinally extending warp chains joined together transversely by a plurality of laid-in weft filaments. The guide bars for the warp chains can move in a 0-1/1-0 or 20/0-2 pattern, or a pair of warp chains with these patterns can be knit. The guide bars for the weft filaments move in a 4-4/0-0 pattern, laying these filaments into each course. The knit is thermofixed and formed with holes along the edges for accommodating the stitching securing the coupling elements. Heavy crimped or textured bulk yarn is used as weft filament.
Inventors
- 👤 E Stubiger
- 👤 A Frolich
- 👤 M Cappel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:09
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/34; A44B19/343; A44B19/42; D; D04; D04B; D04B21/00; D04B21/14; D04B21/16; D10; D10B; D10B2401/00; D10B2401/04; D10B2401/041; D10B2501/00; D10B2501/06; D10B2501/063; D10B2501/0631; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2518; Y10T24/2521
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
90 words
A slide-fastener stringer comprising: a pair of elongated warp-knit thermally-fixed-heat-resistant support tapes having confronting longitudinal edges, each tape constituted of a plurality of transversely offset longitudinally extending warp chains of warp loops and laid-in weft filaments transversely connecting said chains and traversing said loops to form a warp-knit foundation; and respective elongated continuous coupling elEments interconnectable upon movement of a slider therealong and lying along said edges while being stitched thereto by stitch loops passing around turns of the coupling elements and through said support tapes between warp chains thereof.
Claim 2
Dependent Claim
90 words
A slide-fastener stringer comprising: a pair of elongated warp-knit thermally-fixed-heat-resistant support tapes having confronting longitudinal edges, each tape constituted of a plurality of transversely offset longitudinally extending warp chains of warp loops and laid-in weft filaments transversely connecting said chains and traversing said loops to form a warp-knit foundation; and respective elongated continuous coupling elEments interconnectable upon movement of a slider therealong and lying along said edges while being stitched thereto by stitch loops passing around turns of the coupling elements and through said support tapes between warp chains thereof.
Claim 3
Dependent Claim
17 words
The stringer defined in claim 1 wherein said weft filament is laid in in a 4-4/0-0 pattern.
Claim 4
Dependent Claim
16 words
The stringer defined in claim 1 wherein said warp filament is chained in a 0-1/1-0 pattern.
Claim 5
Dependent Claim
16 words
The stringer defined in claim 1 wherein said warp filament is chained in a 2-0/0-2 pattern.
Claim 6
Dependent Claim
35 words
The stringer defined in claim 1 wherein a pair of such warp filaments are provided, one of said filaments being chained in a 0-1/1-0 pattern and the other of said filaments in a 2-0/0-2 pattern.
Claim 7
Dependent Claim
20 words
The stringer defined in claim 1 wherein said tapes are formed with stitching holes for attachment of said coupling elements.
Claim 8
Dependent Claim
14 words
The stringer defined in claim 1 wherein said weft filament is a bulk yarn.
Claim 9
Dependent Claim
12 words
The stringer defined in claim 7 wherein the weft-filament yarn is textured.
References Cited (Backward Citations)
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Cited
US2405902A
Cited
US2433279A
Cited
US2652705A
Cited
US2903775A
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US2959837A
Cited
US3444598A
Cited
US3570482A
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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) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |