Patent US3101531A successfully refreshed from Google Patents.
US3101531A
Expired / Lapsed
US
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Method of applying internal metallic linings to tubes and the like
Assignee: Western Gear Machinery Co
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Filing: 1961-01-09
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Granted: 1963-08-27
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Expires: 1981-01-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Roseberry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:57
CPC Classifications
B; B23; B23P; B23P15/00; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/154; B23K; B23K1/00; B23K1/20; B23K2101/00; B23K2101/04; B23K2101/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49988; Y10T29/49989
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
THE METHOD OF LINING A TUBE, WHICH COMPRISES THE STEPS OF: PREPARING A CYLINDRICAL MANDREL HAVING AN EXTERNAL DIAMETER LESS THAN THE INTERNAL DIAMETER OF THE TUBE, COATING SAID MANDREL WITH A LAYER OF A METALLIC LINING MATERIAL HAVING AN EXTERNAL DIAMETER SLIGHTLY LESS THAN THE INTERNAL DIAMETER OF THE TUBE, COATING SAID LAYER OF LINING MATERIAL WITH A LAYER OF FUSION BONDING MATERIAL HAVING AN EXTERNAL DIAMETER SLIGHTLY GREATER THAN THE INTERNAL DIAMETER OF THE TUBE, HEATING THE COATED MANDREL TO A TEMPERATURE SUFFICIENT TO FUSE SAID LAYER OF FUSHION BONDING MATERIAL TO SAID LAYER OF METALLIC LINING MATERIAL,
Claim 2
Independent Claim
100 words
THE METHOD OF LINING A TUBE, WHICH COMPRISES THE STEPS OF: PREPARING A CYLINDRICAL MANDREL HAVING AN EXTERNAL DIAMETER LESS THAN THE INTERNAL DIAMETER OF THE TUBE, COATING SAID MANDREL WITH A LAYER OF A METALLIC LINING MATERIAL HAVING AN EXTERNAL DIAMETER SLIGHTLY LESS THAN THE INTERNAL DIAMETER OF THE TUBE, COATING SAID LAYER OF LINING MATERIAL WITH A LAYER OF FUSION BONDING MATERIAL HAVING AN EXTERNAL DIAMETER SLIGHTLY GREATER THAN THE INTERNAL DIAMETER OF THE TUBE, HEATING THE COATED MANDREL TO A TEMPERATURE SUFFICIENT TO FUSE SAID LAYER OF FUSHION BONDING MATERIAL TO SAID LAYER OF METALLIC LINING MATERIAL,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |