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US3249967A Expired / Lapsed US ⏱️ 0.0 years remaining

Textile carding machines

Assignee: Carding Specialists Canada Ltd
•
Filing: 1962-07-09
•
Granted: 1966-05-10
•
Expires: 1982-07-09
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Abstract

No abstract record available.

Inventors

  • 👤 Varga Andre

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 02:30
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/02; D01G15/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 225 words
IN A HIGH SPEED HIGH PRODUCTION COTTON CARDING APPARATUS THE COMBINATION COMPRISING, A FIRST CYLINDER AND DOFFER AND DRIVE MEANS ROTATING SAME ABOUT THEIR AXES, MEANS INCLUDING A FIRST STRIPPING ROLLER DISPOSED IMMEDIATELY ADJACENT SAID DOFFER FOR REMOVING A FIBER WEB FROM SAID FIRST DOFFER, MEANS ROTATING SAID STRIPPING ROLLER ABOUT ITS AXIS AND IN THE SAME ANGULAR DIRECTION AS SAID DOFFER, AND ALSO INCLUDING A FIRST TRANSFER ROLLER POSITIONED IMMEDIATELY SUBSEQUENT TO SAID STRIPPING ROLLER TO RECEIVE THE WEB THEREFROM AND ROTATING IN THE SAME ANGULAR DIRECTION AS SAID STRIPPING ROLLER, A PAIR OF SMOOTH SURFACED WEB IRONING AND IMPURITY CRUSHING ROLLERS POSITIONED SUBSEQUENT TO SAID TRANSFER ROLLER IN THE LINE OF ADVANCE OF SAID WEB AND ADAPTED TO RECEIVE THE WEB UNCONDENSED AND IN FULL WIDTH, MEANS INCLUDING A SECOND STRIPPING ROLLER ARRANGED TO ROTATE ABOUT ITS AXIS IN AN ANGULAR DIRECTION OPPOSITE TO THAT OF SAID FIRST STRIPPER ROLLER AND POSITIONED SUBSEQUENT TO SAID IRONING AND CRUSHING ROLLERS TO RECEIVE THE WEB FROM THE NIP OF SAME AND ALSO INCLUDING A SECOND TRANSFER ROLLER POSITIONED IMMEDIATELY SUBSEQUENT TO SAID SECOND STRIPPING ROLER TO RECEIVE THE WEB THEREFROM, AND A SECOND CYLINDER AND DOFFER ADAPTED TO RECEIVE THE WEB FROM SAID LAST-MENTIONED MEANS, SAID WEB PASSING OVER THE TOP OF ONE OF SAID MEANS SO AS TO BE VISIBLE FOR INSPECTION DURING PRODUCTION.
Claim 2
Dependent Claim 225 words
IN A HIGH SPEED HIGH PRODUCTION COTTON CARDING APPARATUS THE COMBINATION COMPRISING, A FIRST CYLINDER AND DOFFER AND DRIVE MEANS ROTATING SAME ABOUT THEIR AXES, MEANS INCLUDING A FIRST STRIPPING ROLLER DISPOSED IMMEDIATELY ADJACENT SAID DOFFER FOR REMOVING A FIBER WEB FROM SAID FIRST DOFFER, MEANS ROTATING SAID STRIPPING ROLLER ABOUT ITS AXIS AND IN THE SAME ANGULAR DIRECTION AS SAID DOFFER, AND ALSO INCLUDING A FIRST TRANSFER ROLLER POSITIONED IMMEDIATELY SUBSEQUENT TO SAID STRIPPING ROLLER TO RECEIVE THE WEB THEREFROM AND ROTATING IN THE SAME ANGULAR DIRECTION AS SAID STRIPPING ROLLER, A PAIR OF SMOOTH SURFACED WEB IRONING AND IMPURITY CRUSHING ROLLERS POSITIONED SUBSEQUENT TO SAID TRANSFER ROLLER IN THE LINE OF ADVANCE OF SAID WEB AND ADAPTED TO RECEIVE THE WEB UNCONDENSED AND IN FULL WIDTH, MEANS INCLUDING A SECOND STRIPPING ROLLER ARRANGED TO ROTATE ABOUT ITS AXIS IN AN ANGULAR DIRECTION OPPOSITE TO THAT OF SAID FIRST STRIPPER ROLLER AND POSITIONED SUBSEQUENT TO SAID IRONING AND CRUSHING ROLLERS TO RECEIVE THE WEB FROM THE NIP OF SAME AND ALSO INCLUDING A SECOND TRANSFER ROLLER POSITIONED IMMEDIATELY SUBSEQUENT TO SAID SECOND STRIPPING ROLER TO RECEIVE THE WEB THEREFROM, AND A SECOND CYLINDER AND DOFFER ADAPTED TO RECEIVE THE WEB FROM SAID LAST-MENTIONED MEANS, SAID WEB PASSING OVER THE TOP OF ONE OF SAID MEANS SO AS TO BE VISIBLE FOR INSPECTION DURING PRODUCTION.

References Cited (Backward Citations)

US46120A Cited
US318730A Cited
US1211190A Cited
US2075156A Cited
US2605511A Cited
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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) 1969-05-09 1969-11-08 1970-05-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-05-09 1973-11-08 1974-05-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-05-09 1977-11-08 1978-05-10 $7700.00 Window Closed / Lapsed

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