US3648459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warp knitting machine, particularly raschel machine
Assignee: Oerlikon Textile GmbH and Co KG
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Filing: 1970-07-24
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Granted: 1972-03-14
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Expires: 1990-07-24
Abstract
Abstract A warp knitting machine comprises warp knitting-needle means defining a needle zone, a device for filling weft threads into the web being knitted, said device having movable weft-thread storers and thread guide members for placing the weft threads into said storers, each of said guide members comprising a plurality of weft thread guide means for successively seizing respective weft threads, and weft-exchanging members coactively coordinated to said respective guide means for readying several weft threads of given length to be successively seized by each of said guide means.
Inventors
- 👤 Stefan Furst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:03
CPC Classifications
D; D04; D04B; D04B23/00; D04B23/12
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
86 words
Warp knitting machine comprising warp knitting-needle means defining a needle zone, a device for filling weft threads into the web being knitted, said device having movable weft-thread storers and thread guide members for placing the weft threads into said storers, each of said guide members comprising a plurality of weft-thread guide means for successively seizing respective weft threads, and weft-exchanging members coactively coordinated to said respective guide means for readying several weft threads of given length to be successively seized by each of said guide means.
Claim 2
Dependent Claim
86 words
Warp knitting machine comprising warp knitting-needle means defining a needle zone, a device for filling weft threads into the web being knitted, said device having movable weft-thread storers and thread guide members for placing the weft threads into said storers, each of said guide members comprising a plurality of weft-thread guide means for successively seizing respective weft threads, and weft-exchanging members coactively coordinated to said respective guide means for readying several weft threads of given length to be successively seized by each of said guide means.
Claim 3
Dependent Claim
30 words
Warp knitting machine according to claim 1, wherein said weft-exchanging members are mounted independently of the travel of said weft-thread storers at localities beside the travel path of said storers.
Claim 4
Dependent Claim
20 words
Warp knitting machine according to claim 1, comprising fixed bearing means on which said respective weft-exchanging members are movably mounted.
Claim 5
Dependent Claim
22 words
Warp knitting machine according to claim 3, comprising pattern control means connected with said weft-exchanging members for positionally controlling said exchanging members.
Claim 6
Dependent Claim
60 words
Warp knitting machine according to claim 3, defining a travel path for the web and comprising weft-thread-holding means for receiving respective weft threads whose individual length corresponds substantially to the width of the web, said holding means being displaceable from locations on opposite sides of the web travel path along a circulatory path into the region of said needle zone.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-14 | 1975-09-13 | 1976-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-14 | 1979-09-13 | 1980-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-14 | 1983-09-13 | 1984-03-14 | $7700.00 | Window Closed / Lapsed |