Patent JPS5126213A successfully refreshed from Google Patents.
US3308509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion die
Assignee: Continental Can Co Inc
•
Filing: 1965-06-01
•
Granted: 1967-03-14
•
Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Poug R Hsia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:37
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/03; B29C48/09; B29C48/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN AN EXTRUSION DIE OF THE TYPE INCLUDING A BODY HAVING A BORE WHICH OPENS THROUGH AN END PORTION OF THE BODY, A MANDREL DISPOSED LONGITUDINALLY IN SAID BORE, A FIRST PORTION OF SAID MANDRELAT THE END PORTION OF THE BODY BEING SPACED FROM THE WALL OF THE BORE TO PROVIDE A PLASTIC CONDUCTING PASSAGE, A SECOND PORTION OF SAID MANDREL BEING AXIALLY SPACED FROM THE FIRST PORTION TO PROVIDE A CONTINUOUS CHANNEL IN COMMUNICATION WITH THE PLASTIC CONDUCTING PASSAGE, AND MEANS FOR INTRODUCING HOT FLOWABLE PLASTIC INTO SAID CONTINUOUS CHANNEL AT A PREDETERMINED POINT WHEREBY THE SAME IS DIRECTED BY THE CONTINUOUS CHANNEL INTO AND THROUGH SAID CONDUCTING PASSAGE, THE IMPROVEMENT COMPRISING FIRST AND SECOND FLOW-DIRECTING SURFACES CARRIED BY SAID FIRST AND SECOND MANDREL PORTIONS RESPECTIVELY, SAID SURFACES BEING CONTINUOUS AND IN OPPOSED RELATIONSHIP TO EACH OTHER, ONE
Claim 2
Dependent Claim
139 words
IN AN EXTRUSION DIE OF THE TYPE INCLUDING A BODY HAVING A BORE WHICH OPENS THROUGH AN END PORTION OF THE BODY, A MANDREL DISPOSED LONGITUDINALLY IN SAID BORE, A FIRST PORTION OF SAID MANDRELAT THE END PORTION OF THE BODY BEING SPACED FROM THE WALL OF THE BORE TO PROVIDE A PLASTIC CONDUCTING PASSAGE, A SECOND PORTION OF SAID MANDREL BEING AXIALLY SPACED FROM THE FIRST PORTION TO PROVIDE A CONTINUOUS CHANNEL IN COMMUNICATION WITH THE PLASTIC CONDUCTING PASSAGE, AND MEANS FOR INTRODUCING HOT FLOWABLE PLASTIC INTO SAID CONTINUOUS CHANNEL AT A PREDETERMINED POINT WHEREBY THE SAME IS DIRECTED BY THE CONTINUOUS CHANNEL INTO AND THROUGH SAID CONDUCTING PASSAGE, THE IMPROVEMENT COMPRISING FIRST AND SECOND FLOW-DIRECTING SURFACES CARRIED BY SAID FIRST AND SECOND MANDREL PORTIONS RESPECTIVELY, SAID SURFACES BEING CONTINUOUS AND IN OPPOSED RELATIONSHIP TO EACH OTHER, ONE
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |