US3103097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn twisting apparatus
Assignee: Heberlein Patent Corp
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Filing: 1960-11-09
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Granted: 1963-09-10
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Expires: 1980-11-09
Abstract
No abstract record available.
Inventors
- 👤 Meili Otto
- 👤 Raschle Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:08
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/04; D02G1/08; D02G1/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
APPARATUS FOR FALSE TWISTING TEXTILE YARNS COMPRISING AT LEAST ONE DRIVEN ENDLESS FLEXIBLE BELT, HAVING A HIGH COEFFICIENT OF FRICTION AS COMPARED WITH THAT OF THE YARN TO BE FALSE TWISTED, SO ARRANGED ON AT LEAST THREE SPACED ROLLERS THAT AT LEAST THREE BELT COURSES INTERSECT INTERMEDIATE SAID ROLLERS TO DEFINE A CHANNEL FOR PASSAGE OF THE YARN SUBSTANTIALLY NORMAL TO THE BELT COURSES ADJACENT SAID CHANNEL, SAID BELT FURTHER BEING SO ARRANGED ON SAID ROLLERS AS TO IMPART UNIDIRECTIONAL ROTARY MOVEMENT TO YARN PASSING THROUGH SAID CHANNEL AND IN CONTACT WITH THE INTERSECTING BELT COURSES, AND GUIDE MEANS SO ARRANGED AS TO CONTACT AND DISPLACE THE BELT COURSES DEFINING SAID CHANNEL TO THEREBY VARY THE INTERNAL DIMENSIONS OF THE CHANNEL.
Claim 2
Dependent Claim
121 words
APPARATUS FOR FALSE TWISTING TEXTILE YARNS COMPRISING AT LEAST ONE DRIVEN ENDLESS FLEXIBLE BELT, HAVING A HIGH COEFFICIENT OF FRICTION AS COMPARED WITH THAT OF THE YARN TO BE FALSE TWISTED, SO ARRANGED ON AT LEAST THREE SPACED ROLLERS THAT AT LEAST THREE BELT COURSES INTERSECT INTERMEDIATE SAID ROLLERS TO DEFINE A CHANNEL FOR PASSAGE OF THE YARN SUBSTANTIALLY NORMAL TO THE BELT COURSES ADJACENT SAID CHANNEL, SAID BELT FURTHER BEING SO ARRANGED ON SAID ROLLERS AS TO IMPART UNIDIRECTIONAL ROTARY MOVEMENT TO YARN PASSING THROUGH SAID CHANNEL AND IN CONTACT WITH THE INTERSECTING BELT COURSES, AND GUIDE MEANS SO ARRANGED AS TO CONTACT AND DISPLACE THE BELT COURSES DEFINING SAID CHANNEL TO THEREBY VARY THE INTERNAL DIMENSIONS OF THE CHANNEL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |