Process for sinter cladding metal supports
Abstract
Abstract A PROCESS FOR SINTER CLADDING METAL SUPPORTS SUCH AS CLUTCH PLATES COMPRISES APPLYING A LAYER OF SINTERING POWDER TO THE SURFACE OF THE METAL SUPPORT, SINTERING THE LAYER OF POWDER TO THE SUPPORT, COMPRESSING THE SINTERED LAYER TO A PRE-DETERMINED PROSITY AND THEN SINTERING THE LAYER AGAIN. THE LAYER OF POWDER APPLIDE TO THE METAL SUPPORT IS BETWEEN THREE AND FOUR TIMES THE THICKNESS OF THE LAYER AFTER THE SECOND SINTERIG OPERATION AND THE COMPRESSION OF THE PARTIALLY SINTERED LAYER TAKES PLACE BETWEEN PRESS TOOLS WHICH DO NOT CONFINE THE SIDES OF THE LAYER SINCE, AFTRER THE FIRST PARTIAL SINTERING OPERATION, THERE IS LITTLE OR NO TENDENCY FOR THE PARTIALLY SINTERED LAYER TO SPREAD SIDEWAYS AT IT IS COMPRESSED. THE FULLY SINTERED LAYER IS PREFERABLY SUBJECTED TO A SECOND COMPRESSION BY MEANS OF FLAT PRESS TOOLS AS FINAL SIZING OPERATION.
Inventors
- 👤 Friedrich Heck
Bibliographic Details
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |