Patent US3325626A successfully refreshed from Google Patents.
US3325626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for welding in a narrow groove
Assignee: Union Carbide Corp
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Filing: 1966-07-05
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Granted: 1967-06-13
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Expires: 1986-07-05
Abstract
No abstract record available.
Inventors
- 👤 Herbert B Sargent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:07
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/16; B23K9/173; B23K33/00; B23K33/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A METHOD FOR MAKING A WELD IN A WORKPIECE HAVING A GROOVE WHEREIN THE WIDTH OF THE GROOVE IS FROM ABOUT 1/4 TO ABOUT 5/8 OF AN INCH AND THE DEPTH OF THE GROOVE IS AT LEAST 2 TIMES THE WIDTH, WHICH COMPRISES FEEDING AT LEAST ONE ELECTRODE WIRE IN THE RANGE OF FROM ABOUT 3/32 INCH TO ABOUT 1/4 INCH DIAMETER FROM A SOURCE THEREOF DOWN INTO THE GROOVE, ESTABLISHING AN ARC BETWEEN THE END OF SUCH WIRE AND THE WORKPIECE, INTRODUCING ELECTRICAL ENERGY INTO SUCH WIRE AT A POINT AT LEAST 1.5 AND UP TO ABOUT 8 INCHES FROM THE ARCING END OF THE CONSUMABLE ELECTRODE, AND
Claim 2
Independent Claim
109 words
A METHOD FOR MAKING A WELD IN A WORKPIECE HAVING A GROOVE WHEREIN THE WIDTH OF THE GROOVE IS FROM ABOUT 1/4 TO ABOUT 5/8 OF AN INCH AND THE DEPTH OF THE GROOVE IS AT LEAST 2 TIMES THE WIDTH, WHICH COMPRISES FEEDING AT LEAST ONE ELECTRODE WIRE IN THE RANGE OF FROM ABOUT 3/32 INCH TO ABOUT 1/4 INCH DIAMETER FROM A SOURCE THEREOF DOWN INTO THE GROOVE, ESTABLISHING AN ARC BETWEEN THE END OF SUCH WIRE AND THE WORKPIECE, INTRODUCING ELECTRICAL ENERGY INTO SUCH WIRE AT A POINT AT LEAST 1.5 AND UP TO ABOUT 8 INCHES FROM THE ARCING END OF THE CONSUMABLE ELECTRODE, AND
References Cited (Backward Citations)
US2868951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |