US3113348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for guiding textile webs
Assignee: Carding Specialists Canada Ltd
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Filing: 1961-01-19
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Granted: 1963-12-10
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Expires: 1981-01-19
Abstract
No abstract record available.
Inventors
- 👤 Varga Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:23
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/02; D01G15/12; D01G15/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A CARDING MACHINE, A DOFFER ROLLER, MEANS FOR DOFFING A FILMSY WEB OF FIBRES FROM SAID DOFFER ROLLER, A PAIR OF SUPERPOSED PRESSURE ROLLERS ARRANGED AXIALLY PARALLEL WITH SAID DOFFER ROLLER AND SPACED A SHORT DISTANCE CARRY THE WEB FROM THE FORMER TO THE LATTER, SAID PLATE BETWEEN SAID DOFFER ROLLER AND SAID PRESSURE ROLLERS TO CARRY THE WEB FROM THE FORMER TO THE LATTER, SAID PLATE HAVING ITS FRONT EDGE SPACED FROM THE PERIPHERY OF THE DOFFER ROLLER TO LEAVE A SUBSTANTIAL GAP FOR DELETERIOUS MATTER TO FALL AWAY FROM A WEB, SAID PLATE HAVING A REAR DELIVERY EDGE CURVED DOWNWARDLY AND LOCATED CLOSELY ADJACENT TO THE PERIPHERY OF THE UPPER OF SAID PRESSURE ROLLERS FOR A WEB TO BE DRAWN AUTOMATICALLY OFF THE PLATE BY THE PRESSURE ROLLERS.
Claim 2
Dependent Claim
131 words
IN A CARDING MACHINE, A DOFFER ROLLER, MEANS FOR DOFFING A FILMSY WEB OF FIBRES FROM SAID DOFFER ROLLER, A PAIR OF SUPERPOSED PRESSURE ROLLERS ARRANGED AXIALLY PARALLEL WITH SAID DOFFER ROLLER AND SPACED A SHORT DISTANCE CARRY THE WEB FROM THE FORMER TO THE LATTER, SAID PLATE BETWEEN SAID DOFFER ROLLER AND SAID PRESSURE ROLLERS TO CARRY THE WEB FROM THE FORMER TO THE LATTER, SAID PLATE HAVING ITS FRONT EDGE SPACED FROM THE PERIPHERY OF THE DOFFER ROLLER TO LEAVE A SUBSTANTIAL GAP FOR DELETERIOUS MATTER TO FALL AWAY FROM A WEB, SAID PLATE HAVING A REAR DELIVERY EDGE CURVED DOWNWARDLY AND LOCATED CLOSELY ADJACENT TO THE PERIPHERY OF THE UPPER OF SAID PRESSURE ROLLERS FOR A WEB TO BE DRAWN AUTOMATICALLY OFF THE PLATE BY THE PRESSURE ROLLERS.
References Cited (Backward Citations)
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Cited
GB279962A
Cited
GB327103A
Cited
US2075156A
Cited
DE704482C
Cited
GB751965A
Cited
US2903751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |