US3611495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centering device for annular dies for the manufacture of plastics material shapes
Assignee: Individual
•
Filing: 1969-06-27
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Granted: 1971-10-12
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Expires: 1989-06-27
Abstract
Abstract A CENTERING DEVICE FOR ANNULAR DIES FOR THE MANUFACTURE OF PLASTIC-MATERIAL BODIES, WHEREIN A DIE JACKET IS TRANSVERSELY ADJUSTABLE IN RELATION TO A DIE CORE BY CLAMPING MEANS EXTENDING PARALLEL TO THE DIE AXIS. THE CLAMPING MEANS ENGAGES TWO PORTIONS SEPARATED BY AN ANNULAR WEAKENING OF THE EXTERIOR OF THE DIE JACKET LYING TRANSVERSELY TO THE DIE AXIS, AND WHEREIN THE AXIAL SPACING OF THE DIE MOUTH FROM THE ANNULAR WEAKENING IN RELATION TO THE RIGDITY OF THE DIE JACKET IS SUCH THAT UPON ADJUSTMENT OF THE CLAMPING MEANS THERE IS NO SIGNIFICANT DISTRIBUTION OF THE OUTER PERIPHERY OF THE DIE ORIFICE DEFINED BY THE DIE JACKET.
Inventors
- 👤 Erhard Langecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:24
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/325; B29C48/327; B29C48/03; B29C48/09; B29C48/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-10-11 | 1975-04-12 | 1975-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-11 | 1979-04-12 | 1979-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-11 | 1983-04-12 | 1983-10-12 | $7700.00 | Window Closed / Lapsed |