US3222721A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual extrusion apparatus
Assignee: Ericsson Inc
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Filing: 1962-06-25
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Granted: 1965-12-14
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Expires: 1982-06-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Maurice Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 15:53
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/03; B29C48/06; B29C48/304; B29C48/325; B29C48/327; B29C48/05; B29K; B29K2105/00; B29K2105/06; B29K2105/20; B29L; B29L2031/00; B29L2031/34; B29L2031/3462
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
AN APPARATUS FOR EXTRUDING MULTILAYERED STRAND COVERING, COMPRISING: (A) A TUBULAR HOUSING, (B) A TUBULAR DIE-HOLDER WITHIN SAID HOUSING, (C) MEANS RESTRAINING SAID DIE-HOLDER FROM LATERAL MOVEMENT WITHIN SAID HOUSING, (D) A FIRST EXTRUSION DIE WITHIN SID DIE-HOLDER (A) HAVING WALLS DEFINING A FIRST EXTRUSION APERTURE, (E) A SECOND EXTRUSION DIE WITHIN SAID HOUSING (A) COAXIAL WITH SAID FIRST DIE AND (B) HAVING WALLS DEFINING A SECOND EXTRUSION APERTURE LARGER THAN SAID FIRST APERTURE, (F) MEANS COOPERATING WITH SAID DIE-HOLDER TO RESTRAIN SAID SECOND DIE FROM LATERAL MOVEMENT WITHIN SAID HOUSING, (G) SAID FIRST AND SECOND DIES AND SAID DIE-HOLDER FORMING AT LEAST SOME OF A PLURALITY OF WALLS DEFINING AN ANNULAR SPACE COMMUNICATING WITH SAID SECOND APERTURE, (H) AN ENTRANCE THROUGH SAID HOUSING COMMUNICATING WITH SAID SPACE, (I) MEANS PASSING RADIALLY THROUGH SAID HOUSING FOR ADJUSTING THE TRANSVERSE POSITION OF SAID DIE HOLDER, AND (J) MEANS PASSING RADIALLY THROUGH SAID HOUSING FOR INDEPENDENTLY ADJUSTING THE TRANSVERSE POSITION OF SAID SECOND DIE, (K) MEANS AT ONE END OF SAID HOUSING LOCKING SAID DIES AND SAID DIE-HOLDER THEREIN, SAID DIES AND SAID DIEHOLDER BEING EASILY REMOVABLE FROM SAID HOUSING THROUGH SAID END UPON THE RELEASE OF SAID LOCKING MEANS.
Claim 2
Independent Claim
198 words
AN APPARATUS FOR EXTRUDING MULTILAYERED STRAND COVERING, COMPRISING: (A) A TUBULAR HOUSING, (B) A TUBULAR DIE-HOLDER WITHIN SAID HOUSING, (C) MEANS RESTRAINING SAID DIE-HOLDER FROM LATERAL MOVEMENT WITHIN SAID HOUSING, (D) A FIRST EXTRUSION DIE WITHIN SID DIE-HOLDER (A) HAVING WALLS DEFINING A FIRST EXTRUSION APERTURE, (E) A SECOND EXTRUSION DIE WITHIN SAID HOUSING (A) COAXIAL WITH SAID FIRST DIE AND (B) HAVING WALLS DEFINING A SECOND EXTRUSION APERTURE LARGER THAN SAID FIRST APERTURE, (F) MEANS COOPERATING WITH SAID DIE-HOLDER TO RESTRAIN SAID SECOND DIE FROM LATERAL MOVEMENT WITHIN SAID HOUSING, (G) SAID FIRST AND SECOND DIES AND SAID DIE-HOLDER FORMING AT LEAST SOME OF A PLURALITY OF WALLS DEFINING AN ANNULAR SPACE COMMUNICATING WITH SAID SECOND APERTURE, (H) AN ENTRANCE THROUGH SAID HOUSING COMMUNICATING WITH SAID SPACE, (I) MEANS PASSING RADIALLY THROUGH SAID HOUSING FOR ADJUSTING THE TRANSVERSE POSITION OF SAID DIE HOLDER, AND (J) MEANS PASSING RADIALLY THROUGH SAID HOUSING FOR INDEPENDENTLY ADJUSTING THE TRANSVERSE POSITION OF SAID SECOND DIE, (K) MEANS AT ONE END OF SAID HOUSING LOCKING SAID DIES AND SAID DIE-HOLDER THEREIN, SAID DIES AND SAID DIEHOLDER BEING EASILY REMOVABLE FROM SAID HOUSING THROUGH SAID END UPON THE RELEASE OF SAID LOCKING MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |