US3608134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding apparatus for orienting elongated particles
Assignee: Saint Gobain Abrasives Inc
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Filing: 1969-02-10
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Granted: 1971-09-28
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Expires: 1989-02-10
Abstract
Abstract A MIXTURE OF BOND MATERIAL AND ELONGATED ABRASIVE PARTICLES AND/OR REINFORCING FIBERS IS PLACED IN A ROTATABLE MOLD AND THE MIXTURE IS LEVELED AND COMBED WITH RADIALLY EXTENDING COMBS OF UNIFORMLY SPACED HORIZONTALLY AND VERTICALLY EXTENDING ELEMENTS. THE COMBING ELEMENTS ARE EFFECTIVE TO CONTACT AND POSITION THE PARTICLES AND/OR FIBERS IN THE UNCURED MIX WITH THEIR LONG AXES PARALLEL AND EXTENDING RADIALLY, CIRCUMFERENTIALLY OF, OR PERPENDICULAR TO A GIVEN AXIS SO THAT WHEN THE MIX IS FIRED OR THE BOND IS OTHERWISE ACTIVATED, THE ELONGATED ELEMENTS WILL BE SELECTIVELY POSITIONED WITH RESPECT TO A WORKING SURFACE OF THE COMPLETED ABRASIVE TOOL.
Inventors
- 👤 Arnold M Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:11
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/58; B29C70/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |