Patent US2993082A successfully refreshed from Google Patents.
US2993082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane to metal bonded insulation
Assignee: Westinghouse Electric Corp
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Filing: 1957-01-22
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Granted: 1961-07-18
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Expires: 1977-01-22
Abstract
No abstract record available.
Inventors
- 👤 Gordon C Gainer
- 👤 Edward J Croop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:24
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/005; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/46; H01F27/00; H01F27/02; H01F27/022; H05; H05K; H05K1/00; H05K1/02; H05K1/03; H05K1/0313; H05K1/032; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49169; Y10T29/49171; Y10T29/49172
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
138 words
A METHOD FOR PREPARING A FLUID-TIGHT SEAL ABOUT A METALLIC MEMBER CARRIED BY AN ELECTRICAL APPARATUS WHICH COMPRISES MOUNTING A PREFORMED SEALING ELEMENT ON SAID METALLIC MEMBER AT A LOCATION ON SAID MEMBER WHEREBY THE ENDS OF THE MEMBER ARE LEFT FREE, SAID PREFORMED SEALING ELEMENT COMPRISING A LAYER OF METAL HAVING A COEXTENSIVE LAYER OF FULLY CURED ORGANOPOLYSILOXANE ELASTOMER BONDED THERETO, PROVIDING A METAL TO METAL SEAL BETWEEN THE METAL LAYER OF SAID SEALING ELEMENT AND SAID METALLIC MEMBER TO PREVENT THE PASSAGE OF MOISTURE, APPLYING A QUANTITY OF AN UNCURED ORGANOPOLYSILOXANE ABOUT AT LEAST THE ENTIRE LAYER OF ELASTOMER OF THE RESULTING METALLIC MEMBER-SEALING ELEMENT ASSEMBLAGE LEAVING THE ENDS OF THE METALLIC MEMBER FREE, AND THEREAFTER APPLYING HEAT TO CURE THE UN CURED ORGANOPOLYSILOXANE AND BOND IT TO THE CURED ORGANOPOLYSILOXANE PORTION OF SAID SEALING ELEMENT.
Claim 2
Independent Claim
138 words
A METHOD FOR PREPARING A FLUID-TIGHT SEAL ABOUT A METALLIC MEMBER CARRIED BY AN ELECTRICAL APPARATUS WHICH COMPRISES MOUNTING A PREFORMED SEALING ELEMENT ON SAID METALLIC MEMBER AT A LOCATION ON SAID MEMBER WHEREBY THE ENDS OF THE MEMBER ARE LEFT FREE, SAID PREFORMED SEALING ELEMENT COMPRISING A LAYER OF METAL HAVING A COEXTENSIVE LAYER OF FULLY CURED ORGANOPOLYSILOXANE ELASTOMER BONDED THERETO, PROVIDING A METAL TO METAL SEAL BETWEEN THE METAL LAYER OF SAID SEALING ELEMENT AND SAID METALLIC MEMBER TO PREVENT THE PASSAGE OF MOISTURE, APPLYING A QUANTITY OF AN UNCURED ORGANOPOLYSILOXANE ABOUT AT LEAST THE ENTIRE LAYER OF ELASTOMER OF THE RESULTING METALLIC MEMBER-SEALING ELEMENT ASSEMBLAGE LEAVING THE ENDS OF THE METALLIC MEMBER FREE, AND THEREAFTER APPLYING HEAT TO CURE THE UN CURED ORGANOPOLYSILOXANE AND BOND IT TO THE CURED ORGANOPOLYSILOXANE PORTION OF SAID SEALING ELEMENT.
Claim 3
Dependent Claim
105 words
AN INSULATED ELECTRICAL APPARATUS COMPRISING AN ELECTRICAL CONDUCTOR, CURED SOLID ORGANOPOLYSILOXANE INSULATION DISPOSED ABOUT SAID CONDUCTOR, AND A METALLIC ELECTRICAL LEAD MEMBER CONNECTED TO SAID CONDUCTOR AND EXTENDING OUTSIDE SAID INSULATION, SAID METALLIC ELECTRICAL LEAD MEMBER HAVING A PREFORMED SEALING ELEMENT MOUNTED THEREON AT A LOCATION BETWEEN ITS ENDS, SAID SEALING ELEMENT COMPRISING A LAYER OF METAL HAVING A CO-EXTENSIVE LAYER OF FULLY CURED ORGANOPOLYSILOXANE ELASTOMER BONDED THERETO, THE METAL LAYER OF SAID SEALING ELEMENT BEING SOLDERED TO SAID METALLIC ELECTRICAL LEAD MEMBER AND THE LAYER OF FULLY CURED ORGANOPOLYSILOXANE ELASTOMER BEING BONDED TO THE CURED, SOLID ORGANOPOLYSILOXANE INSULATION WHICH IS DISPOSED ABOUT SAID CONDUCTOR.
Claim 4
Dependent Claim
105 words
AN INSULATED ELECTRICAL APPARATUS COMPRISING AN ELECTRICAL CONDUCTOR, CURED SOLID ORGANOPOLYSILOXANE INSULATION DISPOSED ABOUT SAID CONDUCTOR, AND A METALLIC ELECTRICAL LEAD MEMBER CONNECTED TO SAID CONDUCTOR AND EXTENDING OUTSIDE SAID INSULATION, SAID METALLIC ELECTRICAL LEAD MEMBER HAVING A PREFORMED SEALING ELEMENT MOUNTED THEREON AT A LOCATION BETWEEN ITS ENDS, SAID SEALING ELEMENT COMPRISING A LAYER OF METAL HAVING A CO-EXTENSIVE LAYER OF FULLY CURED ORGANOPOLYSILOXANE ELASTOMER BONDED THERETO, THE METAL LAYER OF SAID SEALING ELEMENT BEING SOLDERED TO SAID METALLIC ELECTRICAL LEAD MEMBER AND THE LAYER OF FULLY CURED ORGANOPOLYSILOXANE ELASTOMER BEING BONDED TO THE CURED, SOLID ORGANOPOLYSILOXANE INSULATION WHICH IS DISPOSED ABOUT SAID CONDUCTOR.
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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) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |