US3151353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for plasticizing
Assignee: Bayer AG
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Filing: 1963-06-11
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Granted: 1964-10-06
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Expires: 1983-06-11
Abstract
No abstract record available.
Inventors
- 👤 Rodenacker Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:00
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/52; B29B7/54; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/362; B29C48/395; B29C48/50; B29C48/74; B29C48/745; B29C48/76; B29C48/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
AN APPARATUS FOR PLASTICIZING VISCOUS MASSES, AND FOR INCORPORATING DYESTUFFS AND PLASTICIZERS INTO THESE MASSES COMPRISING A ROLLER ROTATABLY ARRANGED IN A HOUSING AND FORMING A WEDGE-SHAPED GAP WITH AT LEAST TWO BUILT-IN PARTS ARRANGED IN THE HOUSING, IN WHICH GAP THE MATERIAL TO BE TREATED ACCUMULATES AND IS WORKED THROUGH, SAID BUILT-IN PARTS BEING IN THE FORM OF CUP-SHAPED MEMBERS ON THE SIDE FACING SAID ROLLER, THE SIDE REMOTE FROM SAID ROLLER BEING ARRANGED ON A WORM HOUSING CONTAINING A CONVEYOR WORM WHICH HAS ITS AXIS PARALLEL TO THE AXIS OF SAID ROLLER, THE CONVEYOR SPACE OF THE WORM COMMUNICATING WITH SAID WEDGE-SHAPED GAP BY TWO BORES ONE OF WHICH OPENS INTO THE WIDE PART OF THE GAP NEAR ONE END OF SAID ROLLER WHILE THE OTHER BORE OPENS INTO THE NARROW PART OF THE GAP NEAR THE OTHER END OF SAID ROLLER.
Claim 2
Independent Claim
144 words
AN APPARATUS FOR PLASTICIZING VISCOUS MASSES, AND FOR INCORPORATING DYESTUFFS AND PLASTICIZERS INTO THESE MASSES COMPRISING A ROLLER ROTATABLY ARRANGED IN A HOUSING AND FORMING A WEDGE-SHAPED GAP WITH AT LEAST TWO BUILT-IN PARTS ARRANGED IN THE HOUSING, IN WHICH GAP THE MATERIAL TO BE TREATED ACCUMULATES AND IS WORKED THROUGH, SAID BUILT-IN PARTS BEING IN THE FORM OF CUP-SHAPED MEMBERS ON THE SIDE FACING SAID ROLLER, THE SIDE REMOTE FROM SAID ROLLER BEING ARRANGED ON A WORM HOUSING CONTAINING A CONVEYOR WORM WHICH HAS ITS AXIS PARALLEL TO THE AXIS OF SAID ROLLER, THE CONVEYOR SPACE OF THE WORM COMMUNICATING WITH SAID WEDGE-SHAPED GAP BY TWO BORES ONE OF WHICH OPENS INTO THE WIDE PART OF THE GAP NEAR ONE END OF SAID ROLLER WHILE THE OTHER BORE OPENS INTO THE NARROW PART OF THE GAP NEAR THE OTHER END OF SAID ROLLER.
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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |