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US3193919A
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Method of fabricating pressure vessels
Assignee: Individual
•
Filing: 1962-10-02
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Granted: 1965-07-13
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Expires: 1982-10-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas P M Rouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:11
CPC Classifications
B; B63; B63B; B63B3/00; B63B3/13; F; F42; F42B; F42B19/00; F42B19/005; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
THE METHOD OF FABRICATING A METAL SECTION FOR CONSTRUCTING PRESSURE VESSELS AND THE LIKE WHICH COMPRISES: (A) EXTRUDING A FLAT METALLIC SHEET HAVING TWO PARALLEL WALL SURFACES AND A PLURALITY OF LONGITUDINAL STIFFENING RIBS BETWEEN SAID SURFACES AND INTEGRAL THEREWITH ALONG THE ENTIRE LENGTH OF SAID SURFACES, SAID RIBS BEING SUBSTANTIALLY PERPENDICULAR TO THE WALL SURFACES AND PARALLEL TO THE DIRECTION OF THE EXTRUSION; (B) ROLLING THE SHEET SO THAT OPPOSITE EDGES OF SAID WALL SURFACES MEET SUBSTANTIALLY FORMING A TUBULAR SECTION; AND (C) JOINING THE EDGES THUS MEETING BY CUTTING OUT A PORTION OF THE OUTER WALL SURFACE OF SAID TUBULAR SECTION ALONG THE AXIAL LENGTH THEREOF, WELDING THE MEETING EDGES OF THE INNER WALL SURFACE IN THE REGION EXPOSED BY THE REMOVAL OF SAID CUTOUT PORTION, REPLACING SAID CUT-OUT PORTION WITH A STRIP OF THE SAME DIMENSIONS AND WELDING SAID STRIP TO THE OUTER WALL SURFACE FROM WHICH SAID CUT-OUT PORTION WAS REMOVED ALONG THE LINES OF CUTTING THEREFROM.
Claim 2
Independent Claim
161 words
THE METHOD OF FABRICATING A METAL SECTION FOR CONSTRUCTING PRESSURE VESSELS AND THE LIKE WHICH COMPRISES: (A) EXTRUDING A FLAT METALLIC SHEET HAVING TWO PARALLEL WALL SURFACES AND A PLURALITY OF LONGITUDINAL STIFFENING RIBS BETWEEN SAID SURFACES AND INTEGRAL THEREWITH ALONG THE ENTIRE LENGTH OF SAID SURFACES, SAID RIBS BEING SUBSTANTIALLY PERPENDICULAR TO THE WALL SURFACES AND PARALLEL TO THE DIRECTION OF THE EXTRUSION; (B) ROLLING THE SHEET SO THAT OPPOSITE EDGES OF SAID WALL SURFACES MEET SUBSTANTIALLY FORMING A TUBULAR SECTION; AND (C) JOINING THE EDGES THUS MEETING BY CUTTING OUT A PORTION OF THE OUTER WALL SURFACE OF SAID TUBULAR SECTION ALONG THE AXIAL LENGTH THEREOF, WELDING THE MEETING EDGES OF THE INNER WALL SURFACE IN THE REGION EXPOSED BY THE REMOVAL OF SAID CUTOUT PORTION, REPLACING SAID CUT-OUT PORTION WITH A STRIP OF THE SAME DIMENSIONS AND WELDING SAID STRIP TO THE OUTER WALL SURFACE FROM WHICH SAID CUT-OUT PORTION WAS REMOVED ALONG THE LINES OF CUTTING THEREFROM.
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |