US3672803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scrap grinder for injection-molding machine
Assignee: Husky Manufacturing and Tool Works Ltd
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Filing: 1970-05-13
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Granted: 1972-06-27
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Expires: 1990-05-13
Abstract
Abstract A GRINDER WITH ROTARY KNIVES IS POSITIONED BELOW THE MOLD LEVEL OF AN INJECTION-MOLDING MACHINE AND OFFSET FROM THE MOLD PATH, AN AUGER DRIVEN BY THE KNIFE MOTOR EXTENDING HORIZONTALLY FROM A HOPPER BENEATH THE MOLD PATH TO THE GRINDER MOUTH FOR DELIVERING RUNNERS DROPPING FROM THE OPENING MOLD TO A LATERAL ENTRANCE OF A KNIFE HOUSING. A LATERAL EXTENSION OF THAT HOUSING RECEIVES THE COMMINUTED SCRAP WITH THE AID OF A SECOND AUGER, DISPOSED AT RIGHT ANGLES OF THE FIRST ONE, AND HAS AN OUTLET FOR THE RETURN OF THIS SCRAP TO THE MACHINE HOPPER VIA A SUCTION PIPE.
Inventors
- 👤 Herbert Rees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:02
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/1769; Y; Y10; Y10S; Y10S264/00; Y10S264/911; Y10S264/921
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) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |