US2828406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fusing surface of slab
Assignee: Cleveland Trust Co
•
Filing: 1953-03-09
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Granted: 1958-03-25
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Expires: 1973-03-09
Abstract
No abstract record available.
Inventors
- 👤 Company The Cleveland Trust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:37
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/101; H05B6/103; H05B6/104; B; B32; B32B; B32B15/00; B32B15/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A PROCESS OF MAKING CLAD METAL COMPRISING WELDING A LAYER OF COATING METAL OVER A SIDE SURFACE OF A SLAB OF BASE METAL AND THEREAFTER ELIMINATING DEFECTS RESULTING FROM MICRO-SHRINKAGE IN THE LAYER OF COATING METAL WHICH MIGHT CAUSE SURFACE DEFECTS AFTER SUBSEQUENT ROLLING OF THE COATED SLAB, BY BRINGING THE SURFACE OF THE LAYER OF COATING METAL AND AN INDUCTIVE HEATING MEANS INTO INDUCTIVE RELATION, SUPPLYING CURRENT TO THE INDUCTIVE HEATING MEANS, RELATIVELY MOVING THE SLAB AND THE INDUCTIVE HEATING MEANS TO MELT PROGRESSIVELY A THIN PORTION OF THE SURFACE OF THE ENTIRE LAYER OF COATING METAL AND REGULATING THE CURRENT SUPPLIED TO SAID INDUCTIVE HEATING MEANS AND THE RATE OF RELATIVE MOVEMENT OF THE SLAB AND THE INDUCTIVE HEATING MEANS SO AS TO CONFINE THE MELTING WITHIN THE THICKNESS OF THE SAID LAYER OF COATING METAL WITHOUT MELTING THE JUNCTION BETWEEN SAID COATING METAL AND SAID BASE METAL.
Claim 2
Dependent Claim
150 words
A PROCESS OF MAKING CLAD METAL COMPRISING WELDING A LAYER OF COATING METAL OVER A SIDE SURFACE OF A SLAB OF BASE METAL AND THEREAFTER ELIMINATING DEFECTS RESULTING FROM MICRO-SHRINKAGE IN THE LAYER OF COATING METAL WHICH MIGHT CAUSE SURFACE DEFECTS AFTER SUBSEQUENT ROLLING OF THE COATED SLAB, BY BRINGING THE SURFACE OF THE LAYER OF COATING METAL AND AN INDUCTIVE HEATING MEANS INTO INDUCTIVE RELATION, SUPPLYING CURRENT TO THE INDUCTIVE HEATING MEANS, RELATIVELY MOVING THE SLAB AND THE INDUCTIVE HEATING MEANS TO MELT PROGRESSIVELY A THIN PORTION OF THE SURFACE OF THE ENTIRE LAYER OF COATING METAL AND REGULATING THE CURRENT SUPPLIED TO SAID INDUCTIVE HEATING MEANS AND THE RATE OF RELATIVE MOVEMENT OF THE SLAB AND THE INDUCTIVE HEATING MEANS SO AS TO CONFINE THE MELTING WITHIN THE THICKNESS OF THE SAID LAYER OF COATING METAL WITHOUT MELTING THE JUNCTION BETWEEN SAID COATING METAL AND SAID BASE METAL.
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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) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |