US4838044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warp-knit tape for hook-and-loop fasteners
Assignee: YKK Corp
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Filing: 1988-03-22
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Granted: 1989-06-13
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Expires: 2008-03-22
Abstract
Abstract A warp-knit tape is disclosed for use in hook-and-loop fasteners, which tape comprises a pile portion and selvage portions on opposite sides thereof, the pile portion including pile-loops arranged to extend longitudinally in a meandering fashion to prevent the same from tilting down flat on the surface of the tape.
Inventors
- 👤 Yoshio Matsuda
- 👤 Mitsutoshi Ishihara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:08
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/34; D; D04; D04B; D04B21/00; D04B21/02; A44B18/00; A44B18/0023; A44B18/0034; D10; D10B; D10B2403/00; D10B2403/03; D10B2403/031; D10B2403/0311; D10B2501/00; D10B2501/06; D10B2501/063; D10B2501/0632
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
86 words
A warp-knit tape for hook-and-loop fasteners which comprises a pile portion and selvage portions extending on opposite sides of said pile portion, said pile portion being formed with two needle stitches forming a plurality of wales extending longitudinally of said tape, laid-in weft thread interlaced with said two needle stitches to make up a foundation structure of said tape, and a pile-forming thread knitted in said foundation structure and forming pile-loops extending longitudinally in a meandering fashion between at least two adjacent wales of said tape.
Claim 2
Dependent Claim
86 words
A warp-knit tape for hook-and-loop fasteners which comprises a pile portion and selvage portions extending on opposite sides of said pile portion, said pile portion being formed with two needle stitches forming a plurality of wales extending longitudinally of said tape, laid-in weft thread interlaced with said two needle stitches to make up a foundation structure of said tape, and a pile-forming thread knitted in said foundation structure and forming pile-loops extending longitudinally in a meandering fashion between at least two adjacent wales of said tape.
Claim 3
Dependent Claim
25 words
A warp-knit tape for hook-and-loop fasteners according to claim 1 wherein said pile-loops are formed by threads of a stitch represented by Link No. 2-1/1-1/1-0/1-1.
Claim 4
Dependent Claim
25 words
A warp-knit tape for hook-and-loop fasteners according to claim 1 wherein said pile-loops are formed by threads of a stitch represented by Link No. 3-2/2-2/2-1/2-2.
References Cited (Backward Citations)
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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) | 1992-06-12 | 1992-12-12 | 1993-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-12 | 1996-12-12 | 1997-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-12 | 2000-12-12 | 2001-06-13 | $7700.00 | Window Closed / Lapsed |