US3158262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal extrusion
Assignee: Individual
•
Filing: 1963-09-06
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Granted: 1964-11-24
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Expires: 1983-09-06
Abstract
No abstract record available.
Inventors
- 👤 Albert W Scribner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:06
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/21; B21C23/001; B21C23/02; B21C23/04; B21C23/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
148 words
IN AN EXTRUSION PRESS: A CONTAINER HAVING A WORK RECEIVING CHAMBER FORMED THEREIN; A FEED RAM SLIDABLY MOUNTED IN SAID CONTAINER FOR WORK FEED MOVEMENT INTO SAID CHAMBER; AN EXTRUSION DIE FORMED WITH AN EXTRUSION ORIFICE AND OPERATIVELY MOUNTED AT ONE END OF SAID CHAMBER; AND AT LEAST ONE LATERALLY DISPOSED EXTRUSION RAM SLIDABLY MOUNTED IN SAID CONTAINER FOR MOVEMENT INTO SAID CHAMBER AND TOWARD THE AXIS OF SAID DIE ORIFICE AT A LOCATION IMMEDIATELY ADJACENT TO THE FRONT OPERATIVE FACE OF SAID DIE; THE INNER END OF SAID RAM BEING CONTOURED SO AS TO CORRESPOND TO THE ADJACENT PORTION OF THE PROFILE OF THE DIE ORIFICE, AND THE INNER LIMIT OF MOVEMENT OF THE EXTRUSION RAM BEING SUCH AS TO POSITION THE CONTOURED SURFACES OF SAID INNER RAM END IN SUBSTANTIALLY COEXTENSIVE ALIGNMENT WITH RESPECT TO THE SAID ADJACENT PORTION OF THE PROFILE OF SAID DIE ORIFICE.
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |