US3283616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making spinnerettes
Assignee: Engelhard Industries Inc
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Filing: 1964-05-04
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Granted: 1966-11-08
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Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Edward G Balcenik
- 👤 Fred E Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:24
CPC Classifications
B; B21; B21D; B21D31/00; B21D31/02; B23; B23P; B23P15/00; B23P15/16; D; D01; D01D; D01D4/00; D01D4/02; D01D4/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
THE METHOD OF MAKING A SPINNERETTE COMPRISING POSITIONING A FACE OF A FIRST METAL PLATE IN MATING ENGAGEMENT ADJACENT A FACE OF A SECOND METAL PLATE, MECHANICALLY SECURING THE PLATES IN CONTIGUOUS RELATIONSHIP, FORMING A PERPENDICULAR COUNTERBORE HAVING A CONICAL TERMINAL INTO THE FIRST PLATE WITH THE TERMINAL EXTENDING INTO AND SCORING THE SURFACE OF THE SECOND PLATE, SEPARATING THE PLATES AND FORMING A PERPENDICULAR CYLINDRICAL CAPILLARY BORE THROUGH THE SECOND PLATE WITH ITS AXIS PASSING THROUGH THE SCORE, PLATING A THIN FILM OF AN OXIDATION-RESISTANT METAL ON THE MATING SURFACE OF AT LEAST ONE SUBSTRATE METAL PLATE, RE-ASSEMBLING THE PLATES WITH THE PLATED FACE THEREBETWEEN AND THE CAPILLARY BORE IN CO-AXIAL ALIGNMENT WITH THE COUNTERBOARE, SECURING THE PLATES IN COMBINED CONTIGUOUS RELATIONSHIP AND HEATING THE COMBINED PLATES UNTIL THE OXIDATION-RESISTANT METAL IS SUBSTANTIALLY COMPLETELY DIFFUSED INTO THE PLATES BY SOLID DIFFUSION.
Claim 2
Independent Claim
142 words
THE METHOD OF MAKING A SPINNERETTE COMPRISING POSITIONING A FACE OF A FIRST METAL PLATE IN MATING ENGAGEMENT ADJACENT A FACE OF A SECOND METAL PLATE, MECHANICALLY SECURING THE PLATES IN CONTIGUOUS RELATIONSHIP, FORMING A PERPENDICULAR COUNTERBORE HAVING A CONICAL TERMINAL INTO THE FIRST PLATE WITH THE TERMINAL EXTENDING INTO AND SCORING THE SURFACE OF THE SECOND PLATE, SEPARATING THE PLATES AND FORMING A PERPENDICULAR CYLINDRICAL CAPILLARY BORE THROUGH THE SECOND PLATE WITH ITS AXIS PASSING THROUGH THE SCORE, PLATING A THIN FILM OF AN OXIDATION-RESISTANT METAL ON THE MATING SURFACE OF AT LEAST ONE SUBSTRATE METAL PLATE, RE-ASSEMBLING THE PLATES WITH THE PLATED FACE THEREBETWEEN AND THE CAPILLARY BORE IN CO-AXIAL ALIGNMENT WITH THE COUNTERBOARE, SECURING THE PLATES IN COMBINED CONTIGUOUS RELATIONSHIP AND HEATING THE COMBINED PLATES UNTIL THE OXIDATION-RESISTANT METAL IS SUBSTANTIALLY COMPLETELY DIFFUSED INTO THE PLATES BY SOLID DIFFUSION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |