US3358334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic working machine impelling material to be worked against a rotating cone
Assignee: Borg Warner Corp
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Filing: 1967-01-30
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Granted: 1967-12-19
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Expires: 1987-01-30
Abstract
No abstract record available.
Inventors
- 👤 James W Hendry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:33
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/72; B29C2045/7278
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A PLASTICIZING DEVICE, THE COMBINATION COMPRISING: HEAD MEANS HAVING A SLOPED SURFACE ADJACENT ONE END THEREOF; A SEAT COAXIAL WITH SAID HEAD MEANS AND SPACE OPPOSITE AND CLOSELY ADJACENT TO SAID SLOPED SURFACE AND DEFINING THEREWITH A SUBSTANTIALLY ANNULAR AXIALLY ELONGATED PASSAGE WHICH INCREASES IN DIAMETER FROM ONE AXIAL END TOWARD THE OTHER AXIAL END THEREOF, THE RADIAL THICKNESS OF SAID PASSAGE BEING SMALL THROUGHOUT THE ENTIRE LENGTH THEREOF; MEANS FOR ROTATING ONE OF SAID HEAD MEANS AND SEAT WITH RESPECT TO THE OTHER; AND FEEDING MEANS FOR FORCING MATERIAL TO BE PLASTICIZED BETWEEN SAID SLOPED SURFACE AND SAID SEAT AT ON SAID AXIAL END OF SAID PASSAGE WHEREBY TO FRICTIONALLY WORK SAID MATERIAL FOR PLASTICIZING SAME AS SAME FLOWS RADIALLY OUTWARDLY BETWEEN SAID SURFACE AND SAID SEAT THROUGH SAID PASSAGE.
Claim 2
Dependent Claim
132 words
IN A PLASTICIZING DEVICE, THE COMBINATION COMPRISING: HEAD MEANS HAVING A SLOPED SURFACE ADJACENT ONE END THEREOF; A SEAT COAXIAL WITH SAID HEAD MEANS AND SPACE OPPOSITE AND CLOSELY ADJACENT TO SAID SLOPED SURFACE AND DEFINING THEREWITH A SUBSTANTIALLY ANNULAR AXIALLY ELONGATED PASSAGE WHICH INCREASES IN DIAMETER FROM ONE AXIAL END TOWARD THE OTHER AXIAL END THEREOF, THE RADIAL THICKNESS OF SAID PASSAGE BEING SMALL THROUGHOUT THE ENTIRE LENGTH THEREOF; MEANS FOR ROTATING ONE OF SAID HEAD MEANS AND SEAT WITH RESPECT TO THE OTHER; AND FEEDING MEANS FOR FORCING MATERIAL TO BE PLASTICIZED BETWEEN SAID SLOPED SURFACE AND SAID SEAT AT ON SAID AXIAL END OF SAID PASSAGE WHEREBY TO FRICTIONALLY WORK SAID MATERIAL FOR PLASTICIZING SAME AS SAME FLOWS RADIALLY OUTWARDLY BETWEEN SAID SURFACE AND SAID SEAT THROUGH SAID PASSAGE.
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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |