US2906006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a sheet metal article
Assignee: Olin Corp
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Filing: 1954-04-13
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Granted: 1959-09-29
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Expires: 1974-04-13
Abstract
No abstract record available.
Inventors
- 👤 Neel Robert Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:08
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; B21D53/045; B21D51/00; B21D51/16; B21D51/26; B21D51/28; Y; Y10; Y10S; Y10S29/00; Y10S29/038; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366; Y10T29/49369
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
THE PROCESS OF MAKING ALUMINUM STRIP ADAPTABLE FOR FABRICATION OF HOLLOW PLATE TYPE WARE BY FLUID PRESSURE INFLATION COMPRISING SANDWICHING A UNDIRECTIONALLY FORESHORTENED PATTERN OF SEPARATION MATERIAL BETWEEN PRESSURE WELDABLE SURFACES OF TWO SUPERPOSED COMPONENT OF ALUMINUM, SUBJECTING THE ASSEMBLY OF COMPONENT SHEETS WHILE CONSTRAINED AGAINST SLIPPAGE WITH RESPECT TO EACH OTHER ABOUT THE PATTERN TO A REDUCTION IN THICKNESS OF GREATER THAN ABOUT 60 PERCENT IN A SINGLE PASS OVER THE AREA OF THE ASSEMBLY SO AS TO PRESSURE WELD THE COMPONENT SHEETS IN SUBSTANTIALLY ALL OF THE AREAS NOT SEPARATED BY SAID MATERIAL AT A TEMPERATURE IN THE RANGE FROM ABOUT 700*F. TO ABOUT 1050*F.
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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) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |