US3563079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indirect extrusion with skull skimming
Assignee: Reynolds Metals Co
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Filing: 1968-11-21
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Granted: 1971-02-16
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Expires: 1988-11-21
Abstract
Abstract A METHOD OF INDIRECTLY EXTRUDING A METAL BILLET DISPOSED IN A CONTANER MOUNTED BETWEEN A DIE MEANS AND A CONTAINER BLOCKING MEANS BY APPLYING COMPRESSIVE FORCES TO OPPOSITE ENDS OF THE BILLET THROUGH THE BLOCKING AND DIE MEANS SO THAT RELATIVE MOVEMENT OF AT LEAST ONE OF THE DIE AND BLOCKING MEANS TOWARD THE OTHER WILL EXTRUDE THE BILLET THROUGH THE DIE MEANS WITH THE BLOCKING MEANS AND DIE MEANS ENDING UP NEARING ONE END OF THE CONTAINER. THEREAFTER REMOVING THE UNEXTRUDED BILLET RESIDUE FROM THE CONTAINER BY MOVING BOTH THE BLOCKING MEANS AND THE DIE MEANS TO THE OTHER END OF THE CONTAINER.
Inventors
- 👤 George E Monie
- 👤 Warren G Whiting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:47
CPC Classifications
B; B21; B21C; B21C35/00; B21C35/04; B21C23/00; B21C23/02; B21C23/20; B21C23/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |