Patent US3136882A successfully refreshed from Google Patents.
US3136882A
Expired / Lapsed
US
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Means for electron beam welding without a vacuum chamber
Assignee: RTX Corp
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Filing: 1962-03-28
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Granted: 1964-06-09
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Expires: 1982-03-28
Abstract
No abstract record available.
Inventors
- 👤 Edward W Radtke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:14
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/02; H01J37/18; B; B23; B23K; B23K15/00; B23K15/06; Y; Y10; Y10S; Y10S164/00; Y10S164/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A METHOD OF WELDING OUTSIDE OF A VACUUM CHAMBER WITH AN ELECTRON BEAM COMPRISING: PLACING A LONGITUDINAL STRIP OF TAPE OVER AT LEAST ONE EDGE OF A JOINT TO BE WELDED, POSITIONING THE BEAM FORMING AND ACCELERATING COLUMN OF AN ELECTRON BEAM WELDING MACHINE IN SEALED RELATIONSHIP TO THE EXPOSED SURFACE OF THE TAPE AND THE ADJACENT PIECES WHICH FORM THE JOINT TO BE WELDED, EVACUATING SAID COLUMN AND THE AREA OF THE JOINT, AND WELDING THE JOINT WITH THE ELECTRON BEAM GENERATED IN THE COLUMN.
Claim 2
Independent Claim
86 words
A METHOD OF WELDING OUTSIDE OF A VACUUM CHAMBER WITH AN ELECTRON BEAM COMPRISING: PLACING A LONGITUDINAL STRIP OF TAPE OVER AT LEAST ONE EDGE OF A JOINT TO BE WELDED, POSITIONING THE BEAM FORMING AND ACCELERATING COLUMN OF AN ELECTRON BEAM WELDING MACHINE IN SEALED RELATIONSHIP TO THE EXPOSED SURFACE OF THE TAPE AND THE ADJACENT PIECES WHICH FORM THE JOINT TO BE WELDED, EVACUATING SAID COLUMN AND THE AREA OF THE JOINT, AND WELDING THE JOINT WITH THE ELECTRON BEAM GENERATED IN THE COLUMN.
References Cited (Backward Citations)
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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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |