US2524829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion apparatus for coating insulation over wires and cables
Assignee: STC PLC
•
Filing: 1948-04-14
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Granted: 1950-10-10
•
Expires: 1968-04-14
Abstract
No abstract record available.
Inventors
- 👤 Perzel John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:06
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/38; B; B29; B29C; B29C48/00; B29C48/03; B29C48/06; B29C48/15; B29C48/156; B29C48/25; B29C48/30; B29C48/32; H01B13/00; H01B13/06; H01B13/14; B29C48/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN AN EXTRUSION APPARATUS HAVING A DIE FOR APPLYING MATERIAL ABOUT A CORE WHEREIN THE ORIFICE OF THE DIE IS OF SUCH SHAPE IN CROSS-SECTION WITH RESPECT TO SAID CORE AS TO PRESENT ZONES HAVING DIFFERENT DEGREES OF RESTRICTION TO THE FLOW OF MATERIAL; THE IMPROVEMENT COMPRISING PROVIDING THE DIE WITH AN OUTWARD EXTENSION OF THE ORIFICE WALL ALONG THE MARGIN OF THE DIRECTION OF FLOW IN THE ZONE OF LESS RESTRICTION TO EQUALIZE SUBSTANTIALLY THE RESTRICTION TO FLOW ABOUT SAID CORE THROUGHOUT THE CROSS-SECTION OF THE ORIFICE.
Claim 2
Dependent Claim
88 words
IN AN EXTRUSION APPARATUS HAVING A DIE FOR APPLYING MATERIAL ABOUT A CORE WHEREIN THE ORIFICE OF THE DIE IS OF SUCH SHAPE IN CROSS-SECTION WITH RESPECT TO SAID CORE AS TO PRESENT ZONES HAVING DIFFERENT DEGREES OF RESTRICTION TO THE FLOW OF MATERIAL; THE IMPROVEMENT COMPRISING PROVIDING THE DIE WITH AN OUTWARD EXTENSION OF THE ORIFICE WALL ALONG THE MARGIN OF THE DIRECTION OF FLOW IN THE ZONE OF LESS RESTRICTION TO EQUALIZE SUBSTANTIALLY THE RESTRICTION TO FLOW ABOUT SAID CORE THROUGHOUT THE CROSS-SECTION OF THE ORIFICE.
References Cited (Backward Citations)
US1717620A
Cited
US1957212A
Cited
US1960997A
Cited
US2096347A
Cited
US2205518A
Cited
US2230309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |