Patent US3141358A successfully refreshed from Google Patents.
US3141358A
Expired / Lapsed
US
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Method for forming spinning orifices in spinneret plate structures
Assignee: EIDP Inc
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Filing: 1962-05-09
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Granted: 1964-07-21
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Expires: 1982-05-09
Abstract
No abstract record available.
Inventors
- 👤 Jr James De Jarnette Burke
- 👤 Hawkins Curtis Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:33
CPC Classifications
D; D01; D01D; D01D4/00; D01D4/02; D01D4/022; B; B21; B21D; B21D31/00; B21D31/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49432
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
AN IMPROVED METHOD OF FORMING A SPINNING ORIFICE AND AN ELONGATED PASSAGEWAY WITH SUBSTANTIALLY PARALLEL SIDE WALL ELEMENTS IN A SPINNERET PLATE STRUCTURE, SAID PLATE STRUCTURE PROVIDED WITH ONE SIDE HAVING A SPINNING FACE AND AN OTHER SIDE, SAID PROCESS COMPRISING DEFLECTING A PORTION OF SAID PLATE STRUCTURE IN THE DIRECTION OF THE PLATE FACE TO FORM A SMOOTHLY CONTOURED PROTUBERANCE EXTENDING FROM THE PLATE FACE, FORMING AN INDENTATION WITH INWARDLY TAPERED SIDE WALLS IN THE CENTRAL PORTION OF THE PROTUBERANCE FROM THE FACE OF SAID PLATE STRUCTURE, DEFLECTING THE CENTRAL PORTION OF SAID PROTUBERANCE IN THE REVERSE DIRECTION TOWARD THE PLANE OF THE PLATE FACE A SUFFICIENT AMOUNT TO CAUSE THE TAPERED SIDE WALLS OF THE INDENTATION TO BECOME SUBSTANTIALLY PARALLEL, AND REMOVING A PORTION OF THE PLATE STRUCTURE ADJACENT SAID INDENTATION TO CONNECT SAID INDENTATION WITH THE OTHER SIDE OF SAID PLATE STRUCTURE.
Claim 2
Dependent Claim
145 words
AN IMPROVED METHOD OF FORMING A SPINNING ORIFICE AND AN ELONGATED PASSAGEWAY WITH SUBSTANTIALLY PARALLEL SIDE WALL ELEMENTS IN A SPINNERET PLATE STRUCTURE, SAID PLATE STRUCTURE PROVIDED WITH ONE SIDE HAVING A SPINNING FACE AND AN OTHER SIDE, SAID PROCESS COMPRISING DEFLECTING A PORTION OF SAID PLATE STRUCTURE IN THE DIRECTION OF THE PLATE FACE TO FORM A SMOOTHLY CONTOURED PROTUBERANCE EXTENDING FROM THE PLATE FACE, FORMING AN INDENTATION WITH INWARDLY TAPERED SIDE WALLS IN THE CENTRAL PORTION OF THE PROTUBERANCE FROM THE FACE OF SAID PLATE STRUCTURE, DEFLECTING THE CENTRAL PORTION OF SAID PROTUBERANCE IN THE REVERSE DIRECTION TOWARD THE PLANE OF THE PLATE FACE A SUFFICIENT AMOUNT TO CAUSE THE TAPERED SIDE WALLS OF THE INDENTATION TO BECOME SUBSTANTIALLY PARALLEL, AND REMOVING A PORTION OF THE PLATE STRUCTURE ADJACENT SAID INDENTATION TO CONNECT SAID INDENTATION WITH THE OTHER SIDE OF SAID PLATE STRUCTURE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |