US3401251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for joining tubes to plate
Assignee: Westinghouse Electric Corp
•
Filing: 1965-10-21
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Granted: 1968-09-10
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Richard P Ache
- 👤 Raymond H Glatthorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:35
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/028; B23K9/0288
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
APPARATUS FOR WELDING A TUBE INTO A PLATE, SAID TUBE EXTENDING INTO SAID PLATE AND SAID TUBE AND PLATE DEFINING A JOINT TO BE WELDED ABOUT THE AXIS OF SAID TUBE, THE SAID APPARATUS COMPRISING A PILOT HAVING AN AXIS, SAID PILOT BEING DIMENSIONED TO ENTER SAID TUBE IN PILOT-CENTERING RELATIONSHIP WITH RESPECT TO SAID TUBE SO THAT THE AXIS OF SAID PILOT IS SUBSTANTIALLY COINCIDENT WITH THE AXIS OF SAID TUBE, MEANS MOUNTING SAID PILOT TO BE SET IN CENTERING RELATIONSHIP WITH SAID TUBE, LOCKING MEANS CONNECTED TO SAID MOUNTING MEANS FOR LOCKING SAID MOUNTING MEANS IN A POSITION IN WHICH SAID PILOT IS CENTERED IN SAID TUBE, AN ARC-WELDING ELECTRODE CONNECTED TO SAID PILOT, SAID ARCWELDING ELECTRODE BEING ROTATABLE ABOUT AN AXIS AT A RADIUS SUBSTANTIALLY EQUAL TO THE RADIUS OF SAID JOINT IN WELDING RELATIONSHIP WITH SAID JOINT, AND MEANS, MOVABLE WHILE SAID MOUNTING MEANS IS LOCKED AS AFORESAID, CONNECTED TO SAID ELECTRODE AND PILOT FOR REMOVING SAID PILOT FROM SAID TUBE AND SETTING SAID ELECTRODE SO THAT THE AXIS ABOUT WHICH SAID ELECTRODE IS ROTATABLE AS AFORESAID IS SUBSTANTIALLY COINCIDENT WITH THE AXIS OF SAID TUBE.
Claim 2
Dependent Claim
190 words
APPARATUS FOR WELDING A TUBE INTO A PLATE, SAID TUBE EXTENDING INTO SAID PLATE AND SAID TUBE AND PLATE DEFINING A JOINT TO BE WELDED ABOUT THE AXIS OF SAID TUBE, THE SAID APPARATUS COMPRISING A PILOT HAVING AN AXIS, SAID PILOT BEING DIMENSIONED TO ENTER SAID TUBE IN PILOT-CENTERING RELATIONSHIP WITH RESPECT TO SAID TUBE SO THAT THE AXIS OF SAID PILOT IS SUBSTANTIALLY COINCIDENT WITH THE AXIS OF SAID TUBE, MEANS MOUNTING SAID PILOT TO BE SET IN CENTERING RELATIONSHIP WITH SAID TUBE, LOCKING MEANS CONNECTED TO SAID MOUNTING MEANS FOR LOCKING SAID MOUNTING MEANS IN A POSITION IN WHICH SAID PILOT IS CENTERED IN SAID TUBE, AN ARC-WELDING ELECTRODE CONNECTED TO SAID PILOT, SAID ARCWELDING ELECTRODE BEING ROTATABLE ABOUT AN AXIS AT A RADIUS SUBSTANTIALLY EQUAL TO THE RADIUS OF SAID JOINT IN WELDING RELATIONSHIP WITH SAID JOINT, AND MEANS, MOVABLE WHILE SAID MOUNTING MEANS IS LOCKED AS AFORESAID, CONNECTED TO SAID ELECTRODE AND PILOT FOR REMOVING SAID PILOT FROM SAID TUBE AND SETTING SAID ELECTRODE SO THAT THE AXIS ABOUT WHICH SAID ELECTRODE IS ROTATABLE AS AFORESAID IS SUBSTANTIALLY COINCIDENT WITH THE AXIS OF SAID TUBE.
References Cited (Backward Citations)
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US3035157A
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US3064120A
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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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |