Patent US3207408A successfully refreshed from Google Patents.
US3207408A
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Apparatus for treating the interior of a tubular element
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1962-04-05
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Granted: 1965-09-21
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Expires: 1982-04-05
Abstract
No abstract record available.
Inventors
- 👤 Thome Paul
- 👤 Foulquier Henri
- 👤 Frehling Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:37
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/028; B23K9/0288
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
IN WELDING APPARATUS FOR INTERNALLY WELDING A TUBULAR ELEMENT TO A SECOND ELEMENT HAVING AN OPENING COAXIAL WITH THE TUBULAR ELEMENT, A TUBULAR INNER MEMBER FOR INSERTION INTO THE TUBULAR ELEMENT, MEANS FOR ROTATING SAID INER MEMBER ABOUT THE LONG AXIS OF THE TUBULAR ELEMENT, A WELDING TOOL, MEANS FOR MOUNTING SAID WELDING TOOL ON SAID INNER MEMBER FOR ROTATION THEREWITH AND FOR PIVOTAL MOVEMENT WITH RESPECT THERETO ABOUT AN AXIS TRANSVERSE TO THE LONG AXIS OF THE TUBULAR ELEMENT, AN INTERMEDIATE TUBULAR MEMBER SPACED FROM AND SURROUNDING SAID INNER MEMBER ADAPTED TO BE SECURED AGAINST ROTATION WITH RESPECT TO THE TUBULAR ELEMENT, AN OUTER TUBULAR MEMBER SURROUNDING AND CONCENTRIC TO SAID INNER AND INTERMEDIATE MEMBERS, MEANS FOR ROTATING SAID OUTER TUBULAR MEMBER WITH RESPECT TO SAID INTERMEDIATE MEMBER, CENTERING MEANS SUPPORTED ON SAID INTERMEDIATE MEMBER AND MEANS FOR ACTUATING SAID CENTERING MEANS BY RELATIVELY ROTATING OF SAID OUTER AND INTERMEDIATE MEMBERS ABOUT THE LONG AXIS OF THE TUBULAR ELEMENT.
Claim 2
Dependent Claim
160 words
IN WELDING APPARATUS FOR INTERNALLY WELDING A TUBULAR ELEMENT TO A SECOND ELEMENT HAVING AN OPENING COAXIAL WITH THE TUBULAR ELEMENT, A TUBULAR INNER MEMBER FOR INSERTION INTO THE TUBULAR ELEMENT, MEANS FOR ROTATING SAID INER MEMBER ABOUT THE LONG AXIS OF THE TUBULAR ELEMENT, A WELDING TOOL, MEANS FOR MOUNTING SAID WELDING TOOL ON SAID INNER MEMBER FOR ROTATION THEREWITH AND FOR PIVOTAL MOVEMENT WITH RESPECT THERETO ABOUT AN AXIS TRANSVERSE TO THE LONG AXIS OF THE TUBULAR ELEMENT, AN INTERMEDIATE TUBULAR MEMBER SPACED FROM AND SURROUNDING SAID INNER MEMBER ADAPTED TO BE SECURED AGAINST ROTATION WITH RESPECT TO THE TUBULAR ELEMENT, AN OUTER TUBULAR MEMBER SURROUNDING AND CONCENTRIC TO SAID INNER AND INTERMEDIATE MEMBERS, MEANS FOR ROTATING SAID OUTER TUBULAR MEMBER WITH RESPECT TO SAID INTERMEDIATE MEMBER, CENTERING MEANS SUPPORTED ON SAID INTERMEDIATE MEMBER AND MEANS FOR ACTUATING SAID CENTERING MEANS BY RELATIVELY ROTATING OF SAID OUTER AND INTERMEDIATE MEMBERS ABOUT THE LONG AXIS OF THE TUBULAR ELEMENT.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |