US3358322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for spinning bicomponent micro-denier fibers
Assignee: Monsanto Co
•
Filing: 1965-06-10
•
Granted: 1967-12-19
•
Expires: 1985-06-10
Abstract
No abstract record available.
Inventors
- 👤 Hunter S Woodbery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:35
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; D01D5/32; D01D5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN APPARATUS FOR SPINNING CONJUGATE MICRO-FIBERS COMPRISING A FRAME; A HOLLOW FRUSTOCONICAL MEMBER ROTATABLY MOUNTED ON THE FRAME AND HAVING THEREIN A CIRCULAR CENTRAL OPENING, MEANS FOR ROTATING SAID MEMBER ABOUT ITS AXIS, SAID MEMBER HAVING IN COMMUNICATION WITH THE CENTRAL OPENING THEREOF OF AN ANNULAR CHAMABER HAVING A DIAMETER GREATER THAN THE DIAMETER OF SAID CENTRAL OPENING FOR RECEIVING A SPINNING SOLUTION, SAID SOLUTION BEING HELD IN THE CHAMBER BY CENTRIFUGAL FORCE WHEN SAID MEMBER IS ROTATED, A PAIR OF INLET LINES EXTENDING THROUGH SAID CENTRAL OPENING FOR FEEDING TWO DIFFERENCE SPINNING SOLUTIONS THROUGH SAID OPENING AND INTO SAID CHAMBER, SAID SPINNING SOLUTION OVERFLOWING FROM SAID CHAMBER OUTWARD THROUGH THE CENTRAL OPENING AND ONTO THE INNER FACE OF SAID FRUSTOCONICAL MEMBER, AND MEANS SURROUNDING SAID MEMBER FOR DIRECTING A STREAM OF HEATED AIR PAST SAID MEMBER TO CARRY AWAY FIBERS FORMED BY ROTATION OF SAID MEMBER.
Claim 2
Independent Claim
147 words
AN APPARATUS FOR SPINNING CONJUGATE MICRO-FIBERS COMPRISING A FRAME; A HOLLOW FRUSTOCONICAL MEMBER ROTATABLY MOUNTED ON THE FRAME AND HAVING THEREIN A CIRCULAR CENTRAL OPENING, MEANS FOR ROTATING SAID MEMBER ABOUT ITS AXIS, SAID MEMBER HAVING IN COMMUNICATION WITH THE CENTRAL OPENING THEREOF OF AN ANNULAR CHAMABER HAVING A DIAMETER GREATER THAN THE DIAMETER OF SAID CENTRAL OPENING FOR RECEIVING A SPINNING SOLUTION, SAID SOLUTION BEING HELD IN THE CHAMBER BY CENTRIFUGAL FORCE WHEN SAID MEMBER IS ROTATED, A PAIR OF INLET LINES EXTENDING THROUGH SAID CENTRAL OPENING FOR FEEDING TWO DIFFERENCE SPINNING SOLUTIONS THROUGH SAID OPENING AND INTO SAID CHAMBER, SAID SPINNING SOLUTION OVERFLOWING FROM SAID CHAMBER OUTWARD THROUGH THE CENTRAL OPENING AND ONTO THE INNER FACE OF SAID FRUSTOCONICAL MEMBER, AND MEANS SURROUNDING SAID MEMBER FOR DIRECTING A STREAM OF HEATED AIR PAST SAID MEMBER TO CARRY AWAY FIBERS FORMED BY ROTATION OF SAID MEMBER.
References Cited (Backward Citations)
US2931422A
Cited
US2880456A
Cited
US2998620A
Cited
US3097085A
Cited
US3015128A
Cited
US3174182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |