US3303537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety ejection control for casting machines
Assignee: SYSTEMS MATRIX Inc
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Filing: 1964-04-07
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Granted: 1967-02-14
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Expires: 1984-04-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Mislan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:18
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/76; B29C45/7626; Y; Y10; Y10S; Y10S425/00; Y10S425/045
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
IN A CASTING MACHINE OF THE TYPE HAVING A PAIR OF RELATIVELY MOVABLE PLATENS ADAPTED TO CARRY MOLDING DIE BLOCKS BETWEEN OPEN AND CLOSED POSITIONS, INJECTION MEANS FOR SUPPLYING MOLTEN MATERIAL TO A CAVITY DEFINED BY SAID DIE BLOCKS, AND A MACHINE PROGRAM CONTROL FOR OPENING SAID DIE BLOCKS FOR EJECTION OF A MOLDED PART AND FOR THEREAFTER CLOSING SAID DIE BLOCKS IN PREPARATION FOR A SUCCEEDING INJECTION AND MOLDING CYCLE, THE IMPROVEMENT COMPRISING: (A) RADIANT ENERGY SENSING MEANS MOUNTED RELATIVE TO SAID PLATENS TO RESPOND TO THE TEMPERATURE OF AT LEAST ONE OF SAID DIE BLOCKS, AND (B) MEANS RESPONSIVE TO THE OUTPUT OF SAID SENSING MEANS FOR SIGNALLING A DEPARTURE OF THE TEMPERATURE OF THE SENSED DIE BLOCK AWAY FROM A PREDETERMINED RANGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |