US3256729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for extrusion with mutiple containers
Assignee: Anaconda American Brass Co
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Filing: 1964-08-26
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Granted: 1966-06-21
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Expires: 1984-08-26
Abstract
No abstract record available.
Inventors
- 👤 Douglas W Rowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:49
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/21; B21C23/212; B21C23/214; B21C35/00; B21C35/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A SYSTEM FOR SUCCESSIVELY EXTRUDING BILLETS THROUGH AN EXTRUSION PRESS COMPRISING: (A) AN EXTRUSION PRESS INCLUDING A RAM AND AN EXTRUSION STATION AT WHICH SAID ARM EXTRUDES SAID BILLET, (B) A PLURALITY OF CONTAINERS, EACH OF WHICH DEFINE A BILLET CHAMBER THEREIN INTO WHICH A BILLET IS LOADED, (C) CLOSED CONVEYOR MEANS FOR SUCCESSIVELY CHARGING SAID CONTAINERS TO SAID EXTRUSION STATION AND CONVEYING THEM TO EACH STATION IN THE SYSTEM, (D) A LOADING STATION ALONG SAID CONVEYOR MEANS AT WHICH SAID BILLETS ARE LOADED INTO SAID CONTAINERS PRIOR TO CONVEYANCE TO THE EXTRUSION STATION, (E) A HOUSING IN THE PRESS CONFIGURED SUCCESSIVELY TO RECEIVE SAID CONTAINERS AND TO HOLD THEM AT THE EXTRUSION STATION DURING EXTRUSION AND TO RELEASE THEM AFTER EXTRUSION OF THE BILLET CONTAINED THEREIN, AND (F) AN EJECTOR STATION ALONG SAID CONVEYOR MEANS AT WHICH THE BUTT END OF THE BILLET IS CLEARED FROM THE CONTAINER AFTER EXTRUSION.
Claim 2
Independent Claim
151 words
A SYSTEM FOR SUCCESSIVELY EXTRUDING BILLETS THROUGH AN EXTRUSION PRESS COMPRISING: (A) AN EXTRUSION PRESS INCLUDING A RAM AND AN EXTRUSION STATION AT WHICH SAID ARM EXTRUDES SAID BILLET, (B) A PLURALITY OF CONTAINERS, EACH OF WHICH DEFINE A BILLET CHAMBER THEREIN INTO WHICH A BILLET IS LOADED, (C) CLOSED CONVEYOR MEANS FOR SUCCESSIVELY CHARGING SAID CONTAINERS TO SAID EXTRUSION STATION AND CONVEYING THEM TO EACH STATION IN THE SYSTEM, (D) A LOADING STATION ALONG SAID CONVEYOR MEANS AT WHICH SAID BILLETS ARE LOADED INTO SAID CONTAINERS PRIOR TO CONVEYANCE TO THE EXTRUSION STATION, (E) A HOUSING IN THE PRESS CONFIGURED SUCCESSIVELY TO RECEIVE SAID CONTAINERS AND TO HOLD THEM AT THE EXTRUSION STATION DURING EXTRUSION AND TO RELEASE THEM AFTER EXTRUSION OF THE BILLET CONTAINED THEREIN, AND (F) AN EJECTOR STATION ALONG SAID CONVEYOR MEANS AT WHICH THE BUTT END OF THE BILLET IS CLEARED FROM THE CONTAINER AFTER EXTRUSION.
References Cited (Backward Citations)
US3123215A
Cited
US2880867A
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US2954121A
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GB804220A
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US2908385A
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US3120304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |