US3320633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming two component yarns
Assignee: EIDP Inc
•
Filing: 1965-08-25
•
Granted: 1967-05-23
•
Expires: 1985-08-25
Abstract
No abstract record available.
Inventors
- 👤 Cancio Leopoldo Vicente
- 👤 Soutter Robert Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:58
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; D01D5/32; Y; Y10; Y10S; Y10S264/00; Y10S264/26; Y10S425/00; Y10S425/217
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A SPINERET ASSEMBLE FOR PRODUCING COMPOSIT FILAMENTS FROM TWO OR MORE POLYMERS COMPRISING: A SPINNERET PLATE HAVING A DOWNSTREAM FACE AND AN UPSTREAM FACE, SAID SPINNERET PLATE HAVING ONE OR MORE NOZZLES LOCATED THEREIN, EACH OF SAID NOZZLES HAVING AN ORIFICE AT THE DOWNSTREAM FACE OF SAID SPINNERET PLATE AND A LARGE ENTRANCE HOLE AT THE UPSTREAM FACE OF SAID SPINNERET PLATE; A METER PLATE HAVING A DOWNSTREAM FACE AND AN UPSTREAM FACE, THE DOWNSTREAM FACE OF SAID METER PLATE BEING JUXTAPOSED TO THE UPSTREAM FACE OF SAID SPINNERET PLATE; A PLURALITY OF EXPANSION CHAMBERS LOCATED IN THE DOWNSTREAM FACE OF SAID METER PLATE, TWO OR MORE OF SAID EXPANSION CHAMBERS BEING POSITIONED ABOVE AND OPENING DIRECTLY INTO EACH OF SAID ENTRANCE HOLES; A PLURALITY OF SUPPLY SOURCES LOCATED UPSTREAM OF SAID EXPANSION CHAMBERS; AMETERING JET CONNECTING EACH EXPANSION CHAMBER TO A SUPPLY SOURCE; AND MEANS FOR SUPPLYING POLYMER TO EACH OF SAID SUPPLY SOURCES.
Claim 2
Dependent Claim
155 words
A SPINERET ASSEMBLE FOR PRODUCING COMPOSIT FILAMENTS FROM TWO OR MORE POLYMERS COMPRISING: A SPINNERET PLATE HAVING A DOWNSTREAM FACE AND AN UPSTREAM FACE, SAID SPINNERET PLATE HAVING ONE OR MORE NOZZLES LOCATED THEREIN, EACH OF SAID NOZZLES HAVING AN ORIFICE AT THE DOWNSTREAM FACE OF SAID SPINNERET PLATE AND A LARGE ENTRANCE HOLE AT THE UPSTREAM FACE OF SAID SPINNERET PLATE; A METER PLATE HAVING A DOWNSTREAM FACE AND AN UPSTREAM FACE, THE DOWNSTREAM FACE OF SAID METER PLATE BEING JUXTAPOSED TO THE UPSTREAM FACE OF SAID SPINNERET PLATE; A PLURALITY OF EXPANSION CHAMBERS LOCATED IN THE DOWNSTREAM FACE OF SAID METER PLATE, TWO OR MORE OF SAID EXPANSION CHAMBERS BEING POSITIONED ABOVE AND OPENING DIRECTLY INTO EACH OF SAID ENTRANCE HOLES; A PLURALITY OF SUPPLY SOURCES LOCATED UPSTREAM OF SAID EXPANSION CHAMBERS; AMETERING JET CONNECTING EACH EXPANSION CHAMBER TO A SUPPLY SOURCE; AND MEANS FOR SUPPLYING POLYMER TO EACH OF SAID SUPPLY SOURCES.
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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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |