US3258577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding
Assignee: Babcock International Ltd
•
Filing: 1963-12-16
•
Granted: 1966-06-28
•
Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Allan K Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:36
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/0026; B23K9/0052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
THE METHOD OF FORMING AN INTEGRATED MULTIPLE TUBE PANEL COMPOSED OF SUBSTANTIALLY PARALLEL SPACED METAL TUBERS INTEGRALLY UNITED BY METAL WEBS INTERPOSED BETWEEN THE TUBES, SAID METHOD COMPRISING THE STEPS OF ARRANGING AT LEAST A PAIR OF RELATIVELY ELONGATED METAL TUBES IN SPACED SUBSTANTIALLY PARALLEL RELATION; DISPOSING A RELATIVELY ELONGATED METAL WEB BETWEEN SAID PAIR OF TUBES WITH ITS SIDE EDGES SUBSTANTIALLY ADJACENT THE TUBE SURFACES TO FORM THEREWITH A PAIR OF LINES TO BE WELDED; JUXTAPOSING EACH OF A PAIR OF FUSIBLE METAL ELECTRODES WITH A RESPECTIVE ONE OF SAID LINES WITH ONE OF THE ELECTRODES IN ADVANCE OF THE OTHER ELECTRODE; DISPOSING EACH OF A PAIR OF RETURN ROLLER ELECTRODES IN CONTACT WITH THE TUBES AND IMMEDIATELY BEHIND A RESPECTIVE ONE OF SAID FUSIBLE ELECTRODES; ESTABLISHING ARCS BETWEEN EACH OF SAID FUSIBLE ELECTRODES AND THE WORKPIECES TO FUSE METAL FROM THE FUSIBLE ELECTRODES TO COALESCE WITH METAL OF TH E WORKPIECES; CONJOINTLY FEEDING SAID FUSIBLE ELECTRODES TOWARD SAID LINES AS METAL IS FUSED FROM THE ARCING ENDS OF THE FUSIBLE ELECTRODES AND SUPPLYING A GASEOUS MEDIUM IN THE DIRECTION OF THE ARCING END OF EACH OF THE FUSIBLE ELECTRODES TO
Claim 2
Independent Claim
192 words
THE METHOD OF FORMING AN INTEGRATED MULTIPLE TUBE PANEL COMPOSED OF SUBSTANTIALLY PARALLEL SPACED METAL TUBERS INTEGRALLY UNITED BY METAL WEBS INTERPOSED BETWEEN THE TUBES, SAID METHOD COMPRISING THE STEPS OF ARRANGING AT LEAST A PAIR OF RELATIVELY ELONGATED METAL TUBES IN SPACED SUBSTANTIALLY PARALLEL RELATION; DISPOSING A RELATIVELY ELONGATED METAL WEB BETWEEN SAID PAIR OF TUBES WITH ITS SIDE EDGES SUBSTANTIALLY ADJACENT THE TUBE SURFACES TO FORM THEREWITH A PAIR OF LINES TO BE WELDED; JUXTAPOSING EACH OF A PAIR OF FUSIBLE METAL ELECTRODES WITH A RESPECTIVE ONE OF SAID LINES WITH ONE OF THE ELECTRODES IN ADVANCE OF THE OTHER ELECTRODE; DISPOSING EACH OF A PAIR OF RETURN ROLLER ELECTRODES IN CONTACT WITH THE TUBES AND IMMEDIATELY BEHIND A RESPECTIVE ONE OF SAID FUSIBLE ELECTRODES; ESTABLISHING ARCS BETWEEN EACH OF SAID FUSIBLE ELECTRODES AND THE WORKPIECES TO FUSE METAL FROM THE FUSIBLE ELECTRODES TO COALESCE WITH METAL OF TH E WORKPIECES; CONJOINTLY FEEDING SAID FUSIBLE ELECTRODES TOWARD SAID LINES AS METAL IS FUSED FROM THE ARCING ENDS OF THE FUSIBLE ELECTRODES AND SUPPLYING A GASEOUS MEDIUM IN THE DIRECTION OF THE ARCING END OF EACH OF THE FUSIBLE ELECTRODES TO
References Cited (Backward Citations)
AT118221B
Cited
GB357062A
Cited
FR725424A
Cited
US2504868A
Cited
US2886696A
Cited
US2981824A
Cited
US2993983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |