US3054142A
Expired / Lapsed
US
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Extrusion of thermosetting polymeric materials
Assignee: Anaconda Wire and Cable Co
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Filing: 1959-10-06
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Granted: 1962-09-18
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Expires: 1979-10-06
Abstract
No abstract record available.
Inventors
- 👤 Robert F Hinderer
- 👤 Joseph A Mullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:46
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/022; B29C48/25; B29C48/94; B29C48/03; B29C48/06; B29C48/09; B29C48/30; B29C48/32; B29C48/34; B29C48/88; B29C48/90; B29C48/908; B29C48/91; B29K; B29K2101/00; B29K2101/10; B29K2301/00; B29K2301/10; Y; Y10; Y10S; Y10S264/00; Y10S264/42; Y10S425/00; Y10S425/115
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
A METHOD OF CONTINUOUSLY FORMING A CROSS-LINKED POLYETHYLENE EXTRUSION WHICH COMPRISES (A) CONTINUOUSLY FORCING AN UNCURED POLYETHYLENE COMPOSITION CONTAINING A VULCANIZING AGENT UNDER PRESSURE THROUGH A LONGITUDINALLY EXTENDED SMOOTH EXTRUSION DIE ORIFICE, (B) ADVANCING THE EXTRUDED UNCURED POLYTHYLENE COMPOSITION THROUGH A SEPARATE POROUS TUBULAR LUBRICATING ELEMENT OF POROUS SINTERED POWDERED METAL WHICH IS LOCATED DOWNSTREAM OF SAID DIE ORIFICE AND DEFINES A SUBSTANTIALLY SMOOTH AND UNIN-
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) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |