US2957794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding silicone rubber to metal
Assignee: Individual
•
Filing: 1955-11-30
•
Granted: 1960-10-25
•
Expires: 1975-11-30
Abstract
No abstract record available.
Inventors
- 👤 William B Shetterly
- 👤 Jack E Cowling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:45
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A METHOD OF BONDING SILICONE RUBBER TO METAL WHICH COMPRISES DIRECTLY AFFIXING SEMI-CURED SILICONE RUBBER TO THE METAL WITH A THIN FILM OF A FLUID ADHESIVE COMPRISING AN EPOXY RESIN, A FILLER AND AN AMINE CURING CATALYST FOR THE RESIN, SUBJECTING THE RESULTING ASSEMBLY TO HEAT SUFFICIENT TO CURE THE RESIN AND EFFECT BONDING OF THE SEMICURED SILICONE RUBBER TO THE METAL AND THE HEATING THE ASSEMBLY IN AIR AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 300 TO 480*F. FOR A TIME SUFFICIENT TO COMPLETE THE CURE OF THE SEMI-CURED SILICONE RUBBER IN THE ASSEMBLY.
Claim 2
Independent Claim
97 words
A METHOD OF BONDING SILICONE RUBBER TO METAL WHICH COMPRISES DIRECTLY AFFIXING SEMI-CURED SILICONE RUBBER TO THE METAL WITH A THIN FILM OF A FLUID ADHESIVE COMPRISING AN EPOXY RESIN, A FILLER AND AN AMINE CURING CATALYST FOR THE RESIN, SUBJECTING THE RESULTING ASSEMBLY TO HEAT SUFFICIENT TO CURE THE RESIN AND EFFECT BONDING OF THE SEMICURED SILICONE RUBBER TO THE METAL AND THE HEATING THE ASSEMBLY IN AIR AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 300 TO 480*F. FOR A TIME SUFFICIENT TO COMPLETE THE CURE OF THE SEMI-CURED SILICONE RUBBER IN THE ASSEMBLY.
References Cited (Backward Citations)
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US2601337A
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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) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |