US3203048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder presses, especially for working up synthetic substances
Assignee: Individual
•
Filing: 1962-12-07
•
Granted: 1965-08-31
•
Expires: 1982-12-07
Abstract
No abstract record available.
Inventors
- 👤 Daubenfeld Jean Joseph Gerard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:24
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/361; B29C48/03; B29C48/06; B29C48/09; B29C48/10; B29C48/30; B29C48/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A CYLINDER PRESS FOR WORKING UP THERMOPLASTIC SYNTHETIC SUBSTANCES INTO TUBULAR FORM, COMPRISING A HOUSING HAVING A CYLINDRICAL SPACE WITH TWO OPEN ENDS, AND A STATIONARY CORE THERIN,, INTO WHICH CCYLINDRICAL SPACE MATERIAL TO BE WORKED UP IS FED AT ONNE END AND EXTRUDED AT THE OTHER END, AN EXTRUSION HEAD ON THE EXTRUSION END OF THE CYLINDRICAL SPACE, A CYLINDRICAL CASING ROTATABLY FITTED IN THHE CYLINDRICAL SPACE AROUND THE STATIONARY CORE, LONGITUDINALLY ORIENTED CORRUGATIONS ON THE STATIONARY CORE TO RESTRAIN THE ADVANCCE OF MATERIALS IN THE JPRESS, AND CROSS-SECTIONALLY ROUNDED SCREW THREADS ON THE CORE-FFACING SURFACE OF THE CASING TO ADVANCE MATERIAL IN THE PRESS.
Claim 2
Dependent Claim
106 words
A CYLINDER PRESS FOR WORKING UP THERMOPLASTIC SYNTHETIC SUBSTANCES INTO TUBULAR FORM, COMPRISING A HOUSING HAVING A CYLINDRICAL SPACE WITH TWO OPEN ENDS, AND A STATIONARY CORE THERIN,, INTO WHICH CCYLINDRICAL SPACE MATERIAL TO BE WORKED UP IS FED AT ONNE END AND EXTRUDED AT THE OTHER END, AN EXTRUSION HEAD ON THE EXTRUSION END OF THE CYLINDRICAL SPACE, A CYLINDRICAL CASING ROTATABLY FITTED IN THHE CYLINDRICAL SPACE AROUND THE STATIONARY CORE, LONGITUDINALLY ORIENTED CORRUGATIONS ON THE STATIONARY CORE TO RESTRAIN THE ADVANCCE OF MATERIALS IN THE JPRESS, AND CROSS-SECTIONALLY ROUNDED SCREW THREADS ON THE CORE-FFACING SURFACE OF THE CASING TO ADVANCE MATERIAL IN THE PRESS.
References Cited (Backward Citations)
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US2200997A
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US2183959A
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |