US3154618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for effecting a succession of pressure casting operations with castable resins
Assignee: Baer Josef Maschinenfabrik
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Filing: 1961-01-19
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Granted: 1964-10-27
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Expires: 1981-01-19
Abstract
No abstract record available.
Inventors
- 👤 Baer Heinz
- 👤 Kolaczek Paul
- 👤 Denz Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:40
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/46; B29C2045/468; Y; Y10; Y10S; Y10S425/00; Y10S425/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A METHOD OF CARRYING OUT A SUCCESSION OF PRESSURE CASTING OPERATIONS WITH A RESIN-HARDENER MIXTURE, COMPRISING THE STEPS OF CHARGING THE MIXTURE UNDER PRESSURE AT EACH CASTING OPERATION INTO A MOULD FROM A SUPPLY VESSEL CONTAINING A PREDETERMINED QUANTITY OF THE MIXTURE SLIGHTLY IN EXCESS OF THAT REQUIRED FOR EACH CASTING OPERATION, FEEDING SEPARATELY THE RESIN AND HARDENER IN CONTROLLED RELATIVE PROPORTIONS TO A MIXING DEVICE, FEEDING THE MIXTURE THUS OBTAINED TO THE SUPPLY VESSEL, AND BRINGING AUTOMATICALLY INTO OR OUT OF OPERATION THE SEPARATE
Claim 2
Independent Claim
85 words
A METHOD OF CARRYING OUT A SUCCESSION OF PRESSURE CASTING OPERATIONS WITH A RESIN-HARDENER MIXTURE, COMPRISING THE STEPS OF CHARGING THE MIXTURE UNDER PRESSURE AT EACH CASTING OPERATION INTO A MOULD FROM A SUPPLY VESSEL CONTAINING A PREDETERMINED QUANTITY OF THE MIXTURE SLIGHTLY IN EXCESS OF THAT REQUIRED FOR EACH CASTING OPERATION, FEEDING SEPARATELY THE RESIN AND HARDENER IN CONTROLLED RELATIVE PROPORTIONS TO A MIXING DEVICE, FEEDING THE MIXTURE THUS OBTAINED TO THE SUPPLY VESSEL, AND BRINGING AUTOMATICALLY INTO OR OUT OF OPERATION THE SEPARATE
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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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |