US3114933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuously preparing and extruding plastic compositions
Assignee: Ambrette Machinery Corp
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Filing: 1961-10-05
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Granted: 1963-12-24
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Expires: 1981-10-05
Abstract
No abstract record available.
Inventors
- 👤 Ambrette Conrad
- 👤 Ambrette Josephine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:24
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/395; B29C48/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
APPARATUS FOR CONTINUOUSLY PREPARING AND EXTRUDING A PLASTIC COMPOSITION COMPRISING A MIXING VAT HVAING ROTATABLE MEANS TO IMPART MIXING AGITATION TO THE INGREDIENTS OF A COMPOSITION WHILE MOVING THE SAME TOWARD A DISCHARGE END THEROF, SAID DISCHARGE END OF THE MIXING VAT HAVING A DISCHARGE OPENING, AND EXTRUDING SCREW MEANS DISPOSED BENEATH THE MIXING VAT TO RECEIVE THE COMPOSITION DISCHARGED FROM THE LATTER, SAID EXTRUDING MEANS COMPRISING A HOUSING, A WORM ROTATABLE INTHE BORE OF SAID HOUSING, SAID HOUSING HAVING AN INTAKE OPENING LEADING TO SPACE INTERMEDIATE HELICAL FLIGHTS AT THE RECEIVING END PORTION OF THE WORM, AND A FEEDING MEAND INTERPOSED BETWEEN THE DISCHARGEE OPENING OF THE MIXING VAT AND THE INTAKE OPENING OF THE HOUSING OF THE EXTRUDING MEANS, SAID FEEDING MEANS COMPRISING A CASING, A PAIR OF LATERALLY SPACED APART HORIZONTAL SHAFTS EXTENDING THROUGH THE INTERIOR OF SAID CASING PARALLEL TO THE LONGITUDINAL AXIS THEREOF AND
Claim 2
Dependent Claim
149 words
APPARATUS FOR CONTINUOUSLY PREPARING AND EXTRUDING A PLASTIC COMPOSITION COMPRISING A MIXING VAT HVAING ROTATABLE MEANS TO IMPART MIXING AGITATION TO THE INGREDIENTS OF A COMPOSITION WHILE MOVING THE SAME TOWARD A DISCHARGE END THEROF, SAID DISCHARGE END OF THE MIXING VAT HAVING A DISCHARGE OPENING, AND EXTRUDING SCREW MEANS DISPOSED BENEATH THE MIXING VAT TO RECEIVE THE COMPOSITION DISCHARGED FROM THE LATTER, SAID EXTRUDING MEANS COMPRISING A HOUSING, A WORM ROTATABLE INTHE BORE OF SAID HOUSING, SAID HOUSING HAVING AN INTAKE OPENING LEADING TO SPACE INTERMEDIATE HELICAL FLIGHTS AT THE RECEIVING END PORTION OF THE WORM, AND A FEEDING MEAND INTERPOSED BETWEEN THE DISCHARGEE OPENING OF THE MIXING VAT AND THE INTAKE OPENING OF THE HOUSING OF THE EXTRUDING MEANS, SAID FEEDING MEANS COMPRISING A CASING, A PAIR OF LATERALLY SPACED APART HORIZONTAL SHAFTS EXTENDING THROUGH THE INTERIOR OF SAID CASING PARALLEL TO THE LONGITUDINAL AXIS THEREOF AND
References Cited (Backward Citations)
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US2588196A
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US2572063A
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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) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |