US2758358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filament crimping apparatus
Assignee: ALEXANDER SMITH Inc
•
Filing: 1954-03-01
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Granted: 1956-08-14
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Expires: 1974-03-01
Abstract
No abstract record available.
Inventors
- 👤 Ewart H Shattuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:30
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
86 words
AN APPARATUS OF THE CLASS DESCRIBED, COMPRISING A CHAMBER, MEANS FEEDING YARN OF THE LIKE INTO SAID CHAMBER, A TAPERED CONTROL ROLL WITHDRAWING SAID YARN FROM SAID CHAMBER AFTER PASSING THERETHROUGH, A MEMBER MOVABLE LONGITUDINALLY OF SAID CHAMBER IN ACCORDANCE WITH THE QUANTITY OF YARN THEREIN, AND MEANS RESPONSIVE TO LONGITUDINAL MOVEMENT OF SAID MEMBER TO SHIFT THE YARN LATERALLY ON SAID TAPERED ROLL IN A DIRECTION TO VARY THE RATE OF WITHDRAWAL SO AS TO MAINTAIN A SUBSTANTIALLY UNIFORM QUANTITY OF YARN IN SAID CHAMBER.
Claim 2
Independent Claim
86 words
AN APPARATUS OF THE CLASS DESCRIBED, COMPRISING A CHAMBER, MEANS FEEDING YARN OF THE LIKE INTO SAID CHAMBER, A TAPERED CONTROL ROLL WITHDRAWING SAID YARN FROM SAID CHAMBER AFTER PASSING THERETHROUGH, A MEMBER MOVABLE LONGITUDINALLY OF SAID CHAMBER IN ACCORDANCE WITH THE QUANTITY OF YARN THEREIN, AND MEANS RESPONSIVE TO LONGITUDINAL MOVEMENT OF SAID MEMBER TO SHIFT THE YARN LATERALLY ON SAID TAPERED ROLL IN A DIRECTION TO VARY THE RATE OF WITHDRAWAL SO AS TO MAINTAIN A SUBSTANTIALLY UNIFORM QUANTITY OF YARN IN SAID CHAMBER.
Claim 3
Dependent Claim
70 words
APPARATUS IS CRIMPING FILAMENTS OR THE LIKE, COMPRISING A HOUSING, A TUBULAR SLEEVE DISPOSED IN SAID HOUSING WITH A PORTIOM PROJECTING THEREFROM, FEED ROLLS TO FEED FILAMENTS INTO SAID SLEEVE FOR CRIMPING AND TO FEED THE CRIMPED FILAMENT ALONG SAID SLEEVE TO SAID PROJECTING PORTION, MEANS HEATING SAID HOUSING TO TRANSFER HEAT TO THE PORTION OF SAID SLEEVE THEREIN, AND COOLING MEANS TO COOL SAID PROJECTING PORTION OF SAID SLEEVE.
Claim 4
Dependent Claim
70 words
APPARATUS IS CRIMPING FILAMENTS OR THE LIKE, COMPRISING A HOUSING, A TUBULAR SLEEVE DISPOSED IN SAID HOUSING WITH A PORTIOM PROJECTING THEREFROM, FEED ROLLS TO FEED FILAMENTS INTO SAID SLEEVE FOR CRIMPING AND TO FEED THE CRIMPED FILAMENT ALONG SAID SLEEVE TO SAID PROJECTING PORTION, MEANS HEATING SAID HOUSING TO TRANSFER HEAT TO THE PORTION OF SAID SLEEVE THEREIN, AND COOLING MEANS TO COOL SAID PROJECTING PORTION OF SAID SLEEVE.
References Cited (Backward Citations)
US2419320A
Cited
US2575837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |