US3352995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Butt welding tool for flash removal and work hardening
Assignee: —
•
Filing: —
•
Granted: 1967-11-14
•
Expires: 1984-11-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:40
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/08; B23K11/00; B23K11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
AN AXIALLY MOVABLE BODY FOR USE IN INTERNALLY CLEANING, HOT WORKING AND ALIGNING A WELDED JOINT BETWEEN ADJACENT ENDS OF AXIALLY ALIGNED HOLLOW TUBULAR METALLIC MEMBERS, SAID BODY DEFINING A RECESS CONSTRUCTED AND ARRANGED TO BRIDGE THE ADJACENT ENDS DURING THE WELDING OPERATION AND THE WELDED JOINT AFTER THE WELDING OPERATION; MEANS MOUNTED WITHIN SAID RECESS FOR REMOVING WELD MATERIAL PROTRUDING FROM THE WELDED JOINT INTO SAID RECESS UPON AXIAL MOVEMENT OF SAID BODY WITH RESPECT TO THE WELDED JOINT, SAID MEANS FOR REMOVING WELD MATERIAL COMPRISING A PLURALITY OF OFFSET ARCUATE SCARFING KNIVES; MEANS FOR SIMULTANEOUSLY SUPPORTING THE WELDED JOINT DURING AXIAL MOVEMENT OF SAID BODY WITH RESPECT TO THE WELDED JOINT; AND MEANS FOR COMMUNICATING A HEAT CONDUCTING MEDIUM BETWEEN SAID BODY AND THE WELDED JOINT SAID MEANS FOR COMMUNICATING COMPRISING A CAST HELICAL PASSAGEWAY EXTENDING AROUND SAID BODY,
Claim 2
Dependent Claim
141 words
AN AXIALLY MOVABLE BODY FOR USE IN INTERNALLY CLEANING, HOT WORKING AND ALIGNING A WELDED JOINT BETWEEN ADJACENT ENDS OF AXIALLY ALIGNED HOLLOW TUBULAR METALLIC MEMBERS, SAID BODY DEFINING A RECESS CONSTRUCTED AND ARRANGED TO BRIDGE THE ADJACENT ENDS DURING THE WELDING OPERATION AND THE WELDED JOINT AFTER THE WELDING OPERATION; MEANS MOUNTED WITHIN SAID RECESS FOR REMOVING WELD MATERIAL PROTRUDING FROM THE WELDED JOINT INTO SAID RECESS UPON AXIAL MOVEMENT OF SAID BODY WITH RESPECT TO THE WELDED JOINT, SAID MEANS FOR REMOVING WELD MATERIAL COMPRISING A PLURALITY OF OFFSET ARCUATE SCARFING KNIVES; MEANS FOR SIMULTANEOUSLY SUPPORTING THE WELDED JOINT DURING AXIAL MOVEMENT OF SAID BODY WITH RESPECT TO THE WELDED JOINT; AND MEANS FOR COMMUNICATING A HEAT CONDUCTING MEDIUM BETWEEN SAID BODY AND THE WELDED JOINT SAID MEANS FOR COMMUNICATING COMPRISING A CAST HELICAL PASSAGEWAY EXTENDING AROUND SAID BODY,
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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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |