US2980564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of wrapping windings of electric machines
Assignee: BBC Brown Boveri AG Germany
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Filing: 1956-08-21
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Granted: 1961-04-18
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Expires: 1976-08-21
Abstract
No abstract record available.
Inventors
- 👤 Wiedemann Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:43
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/10; H02K15/105; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1015; Y10T156/1089; Y10T156/1092; Y10T156/17; Y10T156/1788; Y10T156/1795; Y10T29/00; Y10T29/49; Y10T29/4981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
THE METHOD OF INSULATING ELEMENTS OF ELECTRICAL APPARATUS WHICH COMPRISES HE STEPS OF CONTIGUOUSLY PLACING A LAYER OF MICA PLATES UPON THE SURFACE OF A BAND OF SUPPORTING MATERIAL, FOLDING SMALL EDGE PORTIONS OF THE BAND AT EACH LONGITUDINAL EDGE THEREOF BACK OVER THE BAND AND OVER A PORTION OF THE MICA PLATE LAYER THEREON, SAID MICA PLATE LAYER BEING SECURED TO SAID BAND SOLELY BY THE FOLDED OVER EDGE PORTIONS OF THE BAND, FEEDING THE FOLDED BAND TO THE ELEMENT TO BE WOUND, SIMULTANEOUSLY CUTTING OFF THE FOLDED-OVER PORTIONS OF THE BAND AT EACH SIDE THEREOF AND WINDING UPON THE ELECTRICAL ELEMENT THE REMAINING CENTRAL FLAT BAND PORTION WITH THE MICA PLATES LOOSELY POSITIONED THEREON, AND FINALLY IMPREGNATING THE TAPE AND MICA PLATES WOUND UPON THE ELEMENT WITH AN INSULATING AGENT.
Claim 2
Independent Claim
132 words
THE METHOD OF INSULATING ELEMENTS OF ELECTRICAL APPARATUS WHICH COMPRISES HE STEPS OF CONTIGUOUSLY PLACING A LAYER OF MICA PLATES UPON THE SURFACE OF A BAND OF SUPPORTING MATERIAL, FOLDING SMALL EDGE PORTIONS OF THE BAND AT EACH LONGITUDINAL EDGE THEREOF BACK OVER THE BAND AND OVER A PORTION OF THE MICA PLATE LAYER THEREON, SAID MICA PLATE LAYER BEING SECURED TO SAID BAND SOLELY BY THE FOLDED OVER EDGE PORTIONS OF THE BAND, FEEDING THE FOLDED BAND TO THE ELEMENT TO BE WOUND, SIMULTANEOUSLY CUTTING OFF THE FOLDED-OVER PORTIONS OF THE BAND AT EACH SIDE THEREOF AND WINDING UPON THE ELECTRICAL ELEMENT THE REMAINING CENTRAL FLAT BAND PORTION WITH THE MICA PLATES LOOSELY POSITIONED THEREON, AND FINALLY IMPREGNATING THE TAPE AND MICA PLATES WOUND UPON THE ELEMENT WITH AN INSULATING AGENT.
References Cited (Backward Citations)
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US1520198A
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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) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |