US3843764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a non-curing gasket for opposed surfaces
Assignee: Caterpillar Inc
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Filing: 1971-09-23
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Granted: 1974-10-22
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Expires: 1991-09-23
Abstract
Abstract A liquid gasket material suitable for use between two metal members within a high temperature environment and comprising a non-curing silicone gun. Solvent is included in the liquid gasket material to establish a proper consistency during installation.
Inventors
- 👤 C Grawey
- 👤 K Probert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:58
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/20; C08G77/70; Y; Y10; Y10S; Y10S277/00; Y10S277/935; Y10S277/944; Y10S285/00; Y10S285/91; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
54 words
THE METHOD OF MAKING A HIGH TEMPERATURE NON-CURING GASKET FOR OPPOSED SURFACES COMPRISING APPLYING TO AT LEAST ONE OF THE SURFACES A SOLUTION OF A POLYSILOXANE GUM, SELECTED FROM THE GROUP CONSISTING OF POLYMERS OF DIMETHYL VINYL SILOXAND, DIMETHYL SILOXANE, DIPHENYL SILOXANE, METHYL PHENYL SILOXANE, AND PHENYL VINYL SILOXANE, SAID GUM HAVING A MOLECULAR
Claim 2
Independent Claim
54 words
THE METHOD OF MAKING A HIGH TEMPERATURE NON-CURING GASKET FOR OPPOSED SURFACES COMPRISING APPLYING TO AT LEAST ONE OF THE SURFACES A SOLUTION OF A POLYSILOXANE GUM, SELECTED FROM THE GROUP CONSISTING OF POLYMERS OF DIMETHYL VINYL SILOXAND, DIMETHYL SILOXANE, DIPHENYL SILOXANE, METHYL PHENYL SILOXANE, AND PHENYL VINYL SILOXANE, SAID GUM HAVING A MOLECULAR
Claim 3
Dependent Claim
23 words
The method of claim 1 wherein said polysiloxane is poly (dimethyl vinyl siloxane) having a molecular weight of from about 100,000 to 1,000,000.
Claim 4
Dependent Claim
29 words
The method of claim 1 wherein said solvent for said polysiloxane gum is selected from the group consIsting of 1,1,1-trichloroethane, methyl ethyl ketone, trichlorethylene, ethylene dichloride, benzene, and xylene.
Claim 5
Dependent Claim
14 words
The method of claim 1 wherein said solvent for said polysiloxane gum is 1,1,1-trichlorethane.
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) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |