US3135850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overland pipe welding machine
Assignee: Union Carbide Corp
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Filing: 1961-12-12
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Granted: 1964-06-02
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Expires: 1981-12-12
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Scheiler
- 👤 Howard R Miller
- 👤 Ralph P Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:30
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/028; B23K9/0282; B23K9/0286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
APPARATUS FOR CIRCUMFERENTIALLY ARC WELDING OVERLAND PIPE IN SITU, WHICH COMPRISES THE COMBINATION WITH A MAIN CARRIAGE, MEANS FOR SUPPORTING AND GUIDING SAID CARRIAGE ON AND AROUND SUCH PIPE IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE JOINT TO BE WELDED, A MOTOR ON SAID CARRIAGE FOR DRIVING THE LATTER, A SEPARATE AUXILIARY TRACK LOCATED ANNULARLY ON THE OUTER SURFACE OF PIPE AT A SUBSTANTIALLY PRECISE DISTANCE FROM SUCH JOINT IN RELATION TO WHICH SUCH TRACK IS ADJUSTED IN SUBSTANTIALLY EXACT PARALLELISM, A SEPARATE WELDING HEAD CARRIAGE, SAID TRACK INCLUDING AN EXTERNAL ANNULAR BAND WHICH ASSUMES THE SAME SHAPE AS THAT OF THE PIPE, AN ARC WELDING TORCH MOUNTED ON SAID WELDING HEAD CARRIAGE FOR ARC WELDING SUCH JOINT, PILOT MEANS PIVOTED TO SAID WELDING HEAD CARRIAGE AND RIDING ON SAID BAND FOR CAUSING SAID TRACK TO GUIDE THE WELDING HEAD CARRIAGE SO THAT SAID TORCH ALWAYS IS IN PROPER ARC WELDING POSITION WITH RESPECT TO SUCH JOINT, AND MEANS CONNECTING SAID CARRIAGES SO THAT THE WELDING HEAD
Claim 2
Dependent Claim
167 words
APPARATUS FOR CIRCUMFERENTIALLY ARC WELDING OVERLAND PIPE IN SITU, WHICH COMPRISES THE COMBINATION WITH A MAIN CARRIAGE, MEANS FOR SUPPORTING AND GUIDING SAID CARRIAGE ON AND AROUND SUCH PIPE IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE JOINT TO BE WELDED, A MOTOR ON SAID CARRIAGE FOR DRIVING THE LATTER, A SEPARATE AUXILIARY TRACK LOCATED ANNULARLY ON THE OUTER SURFACE OF PIPE AT A SUBSTANTIALLY PRECISE DISTANCE FROM SUCH JOINT IN RELATION TO WHICH SUCH TRACK IS ADJUSTED IN SUBSTANTIALLY EXACT PARALLELISM, A SEPARATE WELDING HEAD CARRIAGE, SAID TRACK INCLUDING AN EXTERNAL ANNULAR BAND WHICH ASSUMES THE SAME SHAPE AS THAT OF THE PIPE, AN ARC WELDING TORCH MOUNTED ON SAID WELDING HEAD CARRIAGE FOR ARC WELDING SUCH JOINT, PILOT MEANS PIVOTED TO SAID WELDING HEAD CARRIAGE AND RIDING ON SAID BAND FOR CAUSING SAID TRACK TO GUIDE THE WELDING HEAD CARRIAGE SO THAT SAID TORCH ALWAYS IS IN PROPER ARC WELDING POSITION WITH RESPECT TO SUCH JOINT, AND MEANS CONNECTING SAID CARRIAGES SO THAT THE WELDING HEAD
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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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |