Patent US2657113A successfully refreshed from Google Patents.
US2657113A
Expired / Lapsed
US
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Foundry composition and method
Assignee: International Minerals and Chemical Corp
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Filing: 1950-02-13
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Granted: 1953-10-27
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Expires: 1970-02-13
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Barlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:47
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/16; B22C1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
METHOD OF PRODUCING A FOUNDRY CORE SAND COMPOSITION COMPRISING ADMIXING WITH SAND A SUFFICIENT QUANTITY OF BINDER POSSESSING THERMALSETTING QUALITIES TO IMPART REQUIRED STRENGTH AND HARDNESS TO THE BACKED CORE, IMPARTING IMPROVED FLOW QUALITIES WHILE RELIEVING STICKINESS AND THE AMOUNT OF REQUIRED MOISTURE BY INTRODUCING INTO THE MIX A BINDER ADDITIVE, THE BINDER ADDITIVE CONSISTING ESSENTIALLY OF 90% TO 30% VANADISET RESIN BINDER, 10% TO 70% AROMATIC SOLVENT AND EFFECTIVE AMOUNTS UP TO 5% OF SOAP EMULSIFIER, THE VANADISET RESIN BINDER AMOUNTING TO FROM 10% TO 50% OF THE COMBINED WEIGHT OF THE TWO BINDERS, AND MIXING THE ADDITIVE THOROUGHLY WITH THE SAND AND BINDER.
Claim 2
Dependent Claim
105 words
METHOD OF PRODUCING A FOUNDRY CORE SAND COMPOSITION COMPRISING ADMIXING WITH SAND A SUFFICIENT QUANTITY OF BINDER POSSESSING THERMALSETTING QUALITIES TO IMPART REQUIRED STRENGTH AND HARDNESS TO THE BACKED CORE, IMPARTING IMPROVED FLOW QUALITIES WHILE RELIEVING STICKINESS AND THE AMOUNT OF REQUIRED MOISTURE BY INTRODUCING INTO THE MIX A BINDER ADDITIVE, THE BINDER ADDITIVE CONSISTING ESSENTIALLY OF 90% TO 30% VANADISET RESIN BINDER, 10% TO 70% AROMATIC SOLVENT AND EFFECTIVE AMOUNTS UP TO 5% OF SOAP EMULSIFIER, THE VANADISET RESIN BINDER AMOUNTING TO FROM 10% TO 50% OF THE COMBINED WEIGHT OF THE TWO BINDERS, AND MIXING THE ADDITIVE THOROUGHLY WITH THE SAND AND BINDER.
References Cited (Backward Citations)
US2004344A
Cited
US2004345A
Cited
US2101330A
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US2422118A
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US2444413A
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US2468956A
Cited
US2503088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |