US3146518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a condenser-type terminal bushing
Assignee: Mitsubishi Electric Corp
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Filing: 1961-04-17
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Granted: 1964-09-01
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Expires: 1981-04-17
Abstract
No abstract record available.
Inventors
- 👤 Kishida Mitsuhiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:30
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/26; H01B17/28; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/4998
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
THE METHOD OF MAKING A CONDENSER-TYPE TERMINAL BUSHING COMPRISING THE STEPS OF: MOLDING AND CURING AN INNER INSULATING LAYER OF SYNTHETIC RESINOUS MATERIAL TO A TERMINAL STUD WITH THE END PORTIONS OF SAID LAYER BEING OUTWARDLY FLARED AND THEREBY SUBSTANTIALLY PARALLEL TO THE ELECTRICAL EQUI-POTENTIAL LINES OF THE COMPLETED TERMINAL BUSHING WHEN IN SERVICE, THE END EXTREMITIES OF SAID LAYER ALSO BEING FINISHED AND CONSTITUTING PORTIONS OF THE EXTERNAL SURFACE OF THE COMPLETED TREMINAL BUSHING, APPLYING A CONDUCTING LAYER TO AT LEAST A PORTION OF THE EXTERNAL SURFACE OF SAID INNER CURED LAYER AND SPACED INWARDLY FROM THE ENDS THEREOF, MOLDING AND CURING A SECOND INNER INSULATING LAYER OF SYNTHETIC RESINOUS MATERIAL COMPLETELY ABOUT SAID CONDUCTING LAYER AND OVER THE SAME TO FORM THEREBY FINISHED END PORTIONS, AND CONTINUING LIKE OPERATIONS FOR THE VOLTAGE LEVEL OF THE CONDENSER-TYPE TERMINAL BUSHING UNTIL A LAMINATED ORGANIC CONDENSER BODY FOR THE TERMINAL BUSHING RESULTS.
Claim 2
Independent Claim
151 words
THE METHOD OF MAKING A CONDENSER-TYPE TERMINAL BUSHING COMPRISING THE STEPS OF: MOLDING AND CURING AN INNER INSULATING LAYER OF SYNTHETIC RESINOUS MATERIAL TO A TERMINAL STUD WITH THE END PORTIONS OF SAID LAYER BEING OUTWARDLY FLARED AND THEREBY SUBSTANTIALLY PARALLEL TO THE ELECTRICAL EQUI-POTENTIAL LINES OF THE COMPLETED TERMINAL BUSHING WHEN IN SERVICE, THE END EXTREMITIES OF SAID LAYER ALSO BEING FINISHED AND CONSTITUTING PORTIONS OF THE EXTERNAL SURFACE OF THE COMPLETED TREMINAL BUSHING, APPLYING A CONDUCTING LAYER TO AT LEAST A PORTION OF THE EXTERNAL SURFACE OF SAID INNER CURED LAYER AND SPACED INWARDLY FROM THE ENDS THEREOF, MOLDING AND CURING A SECOND INNER INSULATING LAYER OF SYNTHETIC RESINOUS MATERIAL COMPLETELY ABOUT SAID CONDUCTING LAYER AND OVER THE SAME TO FORM THEREBY FINISHED END PORTIONS, AND CONTINUING LIKE OPERATIONS FOR THE VOLTAGE LEVEL OF THE CONDENSER-TYPE TERMINAL BUSHING UNTIL A LAMINATED ORGANIC CONDENSER BODY FOR THE TERMINAL BUSHING RESULTS.
References Cited (Backward Citations)
US1230610A
Cited
US1526023A
Cited
GB309884A
Cited
GB772054A
Cited
CH320903A
Cited
US2915678A
Cited
US2945913A
Cited
US2953629A
Cited
FR1226099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |