Patent US3279230A successfully refreshed from Google Patents.
US3279230A
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Extrusion apparatus and method
Assignee: Individual
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Filing: 1964-11-12
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Granted: 1966-10-18
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Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Herbert G Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:13
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/02; B21C23/04; B21C23/08; B21C23/085; B21C23/001; B21C33/00; B21C33/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
EXTRUSION APPARATUS, COMPRISING IN COMBINATION, A CONTAINER HAVING A FIXED BOTTOM PORTION AND AN EXTRUSION CHAMBER OF A SIZE TO RECEIVE A BILLT AND RAM, AN EJECTION RAM FORMING A BOTTOM FOR SAID CHAMBER AND HELD IN A FIXED RETRACTED POSITION IN SAID BOTTOM OPENING, A COMPLETE INTEGRAL DIE RING SEATED IN THE BOTTOM PORTION OF SAID CONTAINER AROUND SAID EJECTION RAM, SAID DIE RING HAVING AN EXTRUSION DIE ORIFICE IN A TRANSVERSELY FIXED POSITION IN THE SIDE THEREOF ABOVE SAID EJECTION RAM WHEN RETRACTED, SAID CONTAINER DIE RING HAVING AN OPPOSITE MANDREL-RECEIVING OPENING IN THE SIDE ALIGNED WITH THE DIE ORIFICE, A OPENING MANDREL MOUNTED FOR MOVEMENT THROUGH SAID SIDE OPENING AND THROUGH SAID CONTAINER CHAMBER INTO SAID EXTRUSION DIE ORIFICE, MEANS FOR MOVING SAID MANDREL IN AND OUT THROUGH SAID MANDREL OPENING AND THROUGH
Claim 2
Dependent Claim
136 words
EXTRUSION APPARATUS, COMPRISING IN COMBINATION, A CONTAINER HAVING A FIXED BOTTOM PORTION AND AN EXTRUSION CHAMBER OF A SIZE TO RECEIVE A BILLT AND RAM, AN EJECTION RAM FORMING A BOTTOM FOR SAID CHAMBER AND HELD IN A FIXED RETRACTED POSITION IN SAID BOTTOM OPENING, A COMPLETE INTEGRAL DIE RING SEATED IN THE BOTTOM PORTION OF SAID CONTAINER AROUND SAID EJECTION RAM, SAID DIE RING HAVING AN EXTRUSION DIE ORIFICE IN A TRANSVERSELY FIXED POSITION IN THE SIDE THEREOF ABOVE SAID EJECTION RAM WHEN RETRACTED, SAID CONTAINER DIE RING HAVING AN OPPOSITE MANDREL-RECEIVING OPENING IN THE SIDE ALIGNED WITH THE DIE ORIFICE, A OPENING MANDREL MOUNTED FOR MOVEMENT THROUGH SAID SIDE OPENING AND THROUGH SAID CONTAINER CHAMBER INTO SAID EXTRUSION DIE ORIFICE, MEANS FOR MOVING SAID MANDREL IN AND OUT THROUGH SAID MANDREL OPENING AND THROUGH
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |