US3783036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cutting the edge of structural sheet or plate members on automatically controlled cutters
Assignee: AS KONGSBERG VAPENFA NO
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Filing: 1971-10-21
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Granted: 1974-01-01
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Expires: 1991-10-21
Abstract
Abstract A VARYING BEVEL ANGLE OF AN INCLINED EDGE OF A STEEL'' PLATE IS PROVIDED IN THE SAME OPERATION AS THAT OF CUTTING THE CONTOUR OF THE PLATE ON A MUMERICALLY CONTROLLED BLOWPIPE CUTTER. A CUTTER WITH A ROTABLE CUTTER HEAD IS USED. A BLOW PIPE NOZZLE IS POSITIONED AT AN ANGLE WITH THE ROTATIONAL AXIS OF THE CUTTER HEAD AND THE MOVEMENT OF THE HEAD ABOUT THE AXIS IS CONTROLLED BOTH IN ACCORDANCE WITH INFORMATION RELATING THE DESIRED BEVEL ANGLE AND IN ACCORDANCE WITH THE DIRECTION OF THE TANGENT OF THE EDGE IN THE PLANE OF THE PLATE TO BE CUT.
Inventors
- 👤 B Ulrichsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:02
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/001; B63; B63B; B63B71/00; B63B71/20
Claims Analysis
Total Claims: 0
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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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |