US3139664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tow fiber crimping apparatus
Assignee: Turbo Machine Co
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Filing: 1962-03-27
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Granted: 1964-07-07
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Expires: 1982-03-27
Abstract
No abstract record available.
Inventors
- 👤 George A Carruthers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:00
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
APPARATUS FOR CRIMPING THE INDIVIDUAL FIBERS OF SYNTHETIC TOW COMPRISING A PAIR OF SUBSTANTIALLY TANGENT ROLLS, MEANS ENGAGING THE ROLLS ADJACENT THEIR NIP DEFINING AN OPEN SIDED PASSAGE FOR TOW DELIVERED FROM THE ROLLS AND PRESENTING OPPOSED PARALLEL SURFACES EXTENDING IN THE DIRECTION OF THE ROLL AXES A DISTANCE SUBSTANTIALLY GREATER THAN THE WIDTH OF THE TOW, SAID SURFACES BEING RELATIVELY MOVABLE WITH THE ROLLS IN THE PLANE OF THE COMMON AXIS OF THE LATTER AND SPACED APART TO FRICTIONALLY ENGAGE THE CRIMPED TOW AT SPACED POINTS, YIELDING MEANS BIASING THE ROLLS AND SAID ROLL ENGAGING MEANS TOWARD EACH OTHER, AND MEANS FOR DRIVING THE ROLLS IN OPPOSITE DIRECTIONS IN ENGAGEMENT WITH THE TOW TO PROJECT IT INTO SAID PASSAGE TO FORM AN OBSTRUCTION THEREIN OPERATIVE TO DECELERATE THE TOW AS IT PASSES THEREINTO FROM THE ROLLS.
Claim 2
Dependent Claim
137 words
APPARATUS FOR CRIMPING THE INDIVIDUAL FIBERS OF SYNTHETIC TOW COMPRISING A PAIR OF SUBSTANTIALLY TANGENT ROLLS, MEANS ENGAGING THE ROLLS ADJACENT THEIR NIP DEFINING AN OPEN SIDED PASSAGE FOR TOW DELIVERED FROM THE ROLLS AND PRESENTING OPPOSED PARALLEL SURFACES EXTENDING IN THE DIRECTION OF THE ROLL AXES A DISTANCE SUBSTANTIALLY GREATER THAN THE WIDTH OF THE TOW, SAID SURFACES BEING RELATIVELY MOVABLE WITH THE ROLLS IN THE PLANE OF THE COMMON AXIS OF THE LATTER AND SPACED APART TO FRICTIONALLY ENGAGE THE CRIMPED TOW AT SPACED POINTS, YIELDING MEANS BIASING THE ROLLS AND SAID ROLL ENGAGING MEANS TOWARD EACH OTHER, AND MEANS FOR DRIVING THE ROLLS IN OPPOSITE DIRECTIONS IN ENGAGEMENT WITH THE TOW TO PROJECT IT INTO SAID PASSAGE TO FORM AN OBSTRUCTION THEREIN OPERATIVE TO DECELERATE THE TOW AS IT PASSES THEREINTO FROM THE ROLLS.
References Cited (Backward Citations)
US2793418A
Cited
US2862279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |