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US2747359A Expired / Lapsed US ⏱️ 0.0 years remaining

Process and apparatus for winding heavy denier yarn packages

Assignee: EIDP Inc
•
Filing: 1951-09-26
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Granted: 1956-05-29
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Expires: 1971-09-26
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Robert L Keefe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 22:55
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/14; D01H1/38

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 140 words
A WINDING MACHINE FOR TWIST-WINDING YARN PACKAGES OF HEAVY DENIER YARN SUPPLIED AT CONSTANT SPEED WHICH COMPRISES A ROTATABLE SPINDLE CARRYING A WHORL, BOBBIN AND A WASTE SPOOL, SAID SPOOL BEING LOCATED ON THE SPINDLE BELOW AND AXIAL ALIGNMENT WITH SAID BOBBIN, CONSTANT SPEED DRIVING MEANS MAKING FRICTIONAL CONTACT WITH SAID WHORL AND ARRANGED TO ROTATE SAID SPINDLE AT HIGH SPEED A TRAVELER GUIDE SLIDABLY SUPPORTED ON A RING SURROUNDING SAID SPINDLE FOR GUIDING YARN ONTO SAID BOBBIN, MEANS ING A PACKAGE, A STATIONARY GUIDE SUPPORTED IN POSITION TO GUIDE YARN ONTO SAID WASTE SPOOL WHILE STRINGING UP THE YARN PREPARATORY TO WINDING ONTO SAID BOBBIN, MEANS FOR MOVING SAID STATIONARY GUIDE TO A POSITION OPPOSITE SAID BOBBIN FOR WINDING A TRANSFER TAIL, AND MEANS FOR RELEASING THE YARN FROM SAID STATIONARY GUIDE AFTER THE TRANSFER TAIL HAS BEEN WOUND.
Claim 2
Dependent Claim 140 words
A WINDING MACHINE FOR TWIST-WINDING YARN PACKAGES OF HEAVY DENIER YARN SUPPLIED AT CONSTANT SPEED WHICH COMPRISES A ROTATABLE SPINDLE CARRYING A WHORL, BOBBIN AND A WASTE SPOOL, SAID SPOOL BEING LOCATED ON THE SPINDLE BELOW AND AXIAL ALIGNMENT WITH SAID BOBBIN, CONSTANT SPEED DRIVING MEANS MAKING FRICTIONAL CONTACT WITH SAID WHORL AND ARRANGED TO ROTATE SAID SPINDLE AT HIGH SPEED A TRAVELER GUIDE SLIDABLY SUPPORTED ON A RING SURROUNDING SAID SPINDLE FOR GUIDING YARN ONTO SAID BOBBIN, MEANS ING A PACKAGE, A STATIONARY GUIDE SUPPORTED IN POSITION TO GUIDE YARN ONTO SAID WASTE SPOOL WHILE STRINGING UP THE YARN PREPARATORY TO WINDING ONTO SAID BOBBIN, MEANS FOR MOVING SAID STATIONARY GUIDE TO A POSITION OPPOSITE SAID BOBBIN FOR WINDING A TRANSFER TAIL, AND MEANS FOR RELEASING THE YARN FROM SAID STATIONARY GUIDE AFTER THE TRANSFER TAIL HAS BEEN WOUND.

References Cited (Backward Citations)

US478269A Cited
US2572138A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-05-29 1959-11-28 1960-05-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-05-29 1963-11-28 1964-05-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-05-29 1967-11-28 1968-05-29 $7700.00 Window Closed / Lapsed

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