US3341891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of a composite filament and a spinneret assembly
Assignee: Toray Industries Inc
•
Filing: 1963-07-31
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Granted: 1967-09-19
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Expires: 1983-07-31
Abstract
No abstract record available.
Inventors
- 👤 Shimizu Kitao
- 👤 Okamoto Miyoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:48
CPC Classifications
D; D01; D01D; D01D4/00; D01D4/02; D01D5/00; D01D5/253; D01D5/28; D01D5/30; Y; Y10; Y10S; Y10S264/00; Y10S264/26; Y10S425/00; Y10S425/217
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A SPINNERET ASSEMBLY FOR USE IN THE PRODUCTION OF A COMPOSITE FILAMENT WHICH COMPRISES A SPINNERET PLATE, A DISTRIBUTING PLATE FACING THE SPINNERET PLATE AND SPACED APART THEREFROM, THE SPINNERET PLATE BEING PROVIDED WITH A PLURALITY OF ORIFICES THERETHROUGH, THE DISTRIBUTING PLATE BEING PROVIDED WITH A PLURALITY OF APERTURES THERETHROUGH, A FIRST LIQUID-SUPPLY CHAMBER BEHIND THE DISTRIBUTING PLATE AND IN COMMUNICATION WITH EACH APERTURE THEREOF MEANS FOR GUIDING A SECOND LIQUID IN THE SPACE BETWEEN THE TWO PLATES SO AS TO SUPPLY THE LIQUID TOWARDS EACH ORIFICE PREDOMINANTLY FROM NOT EXCEEDING TWO DIRECTIONS IN A PLANE PERPENDICULAR TO THE AXIS OF THE ORIFICE, EACH APERTURE OF THE DISTRIBUTING PLATE BEING OPEN DIRECTLY TO THE SPACE BETWEEN THE TWO PLATES WHEREBY THE FIRST LIQUID MEETS THE SECOND LIQUID STAYING SUBSTANTIALLY ABOUT THE ORIFICE, AND A SECOND LIQUID-SUPPLY CHAMBER COMMUNICATING WITH THE SPACE BETWEEN THE TWO PLATES.
Claim 2
Dependent Claim
145 words
A SPINNERET ASSEMBLY FOR USE IN THE PRODUCTION OF A COMPOSITE FILAMENT WHICH COMPRISES A SPINNERET PLATE, A DISTRIBUTING PLATE FACING THE SPINNERET PLATE AND SPACED APART THEREFROM, THE SPINNERET PLATE BEING PROVIDED WITH A PLURALITY OF ORIFICES THERETHROUGH, THE DISTRIBUTING PLATE BEING PROVIDED WITH A PLURALITY OF APERTURES THERETHROUGH, A FIRST LIQUID-SUPPLY CHAMBER BEHIND THE DISTRIBUTING PLATE AND IN COMMUNICATION WITH EACH APERTURE THEREOF MEANS FOR GUIDING A SECOND LIQUID IN THE SPACE BETWEEN THE TWO PLATES SO AS TO SUPPLY THE LIQUID TOWARDS EACH ORIFICE PREDOMINANTLY FROM NOT EXCEEDING TWO DIRECTIONS IN A PLANE PERPENDICULAR TO THE AXIS OF THE ORIFICE, EACH APERTURE OF THE DISTRIBUTING PLATE BEING OPEN DIRECTLY TO THE SPACE BETWEEN THE TWO PLATES WHEREBY THE FIRST LIQUID MEETS THE SECOND LIQUID STAYING SUBSTANTIALLY ABOUT THE ORIFICE, AND A SECOND LIQUID-SUPPLY CHAMBER COMMUNICATING WITH THE SPACE BETWEEN THE TWO PLATES.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |