Patent US3210520A successfully refreshed from Google Patents.
US3210520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical welding process and apparatus therefor
Assignee: Chicago Bridge and Iron Co
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Filing: 1963-07-29
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Granted: 1965-10-05
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Expires: 1983-07-29
Abstract
No abstract record available.
Inventors
- 👤 Perry C Arnold
- 👤 Donald C Bertossa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:33
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/038; B23K9/0209
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
THE METHOD OF JOINING TOGETHER TWO VERTICALLY UPSTANDING PLATES HAVING VERTICAL EDGES APPROXIMATELY EQUALLY SPACED FORM EACH OTHER IN ABUTTING UPRIGHT POSITION BY MEANS OF A VERTICAL WELD JOINING SAID ABUTTING EDGES WHICH COMPRISES PLACING A WELD-RETAINING SHOE-BAR HAVING AN INNER VERTICAL SIDE COMPRISING A NOSE PORTION POSITIONED BETWEEN THE VERTICAL ABUTTING EDGES OF THE PLATES IN APPROXIMATE CONTACT THEREWITH WITH THE FRONT OF THE NOSE PORTION OF THE SHOE-BAR POSITIONED BETWEEN THE FRONT AND BACK PLATE SURFACES OF THE PLATES MOVING THE SHOE-BAR UPWARDLY WHILE DEPOSITING MOLTEN METAL BETWEEN THE ABUTTING EDGES OF THE PLATES AND AGAINST THE NOSE PORTION OF THE SHOE-BAR, COOLING THE MOLTEN METAL AS THE SHOE-BAR MOVES PROGRESSIVELY UPWARDLY AND EFFECTING SOLIDIFICATION OF THE WELD WHILE IT IS IN CONTACT WITH THE NOSE PORTION OF THE SHOEBAR.
Claim 2
Independent Claim
132 words
THE METHOD OF JOINING TOGETHER TWO VERTICALLY UPSTANDING PLATES HAVING VERTICAL EDGES APPROXIMATELY EQUALLY SPACED FORM EACH OTHER IN ABUTTING UPRIGHT POSITION BY MEANS OF A VERTICAL WELD JOINING SAID ABUTTING EDGES WHICH COMPRISES PLACING A WELD-RETAINING SHOE-BAR HAVING AN INNER VERTICAL SIDE COMPRISING A NOSE PORTION POSITIONED BETWEEN THE VERTICAL ABUTTING EDGES OF THE PLATES IN APPROXIMATE CONTACT THEREWITH WITH THE FRONT OF THE NOSE PORTION OF THE SHOE-BAR POSITIONED BETWEEN THE FRONT AND BACK PLATE SURFACES OF THE PLATES MOVING THE SHOE-BAR UPWARDLY WHILE DEPOSITING MOLTEN METAL BETWEEN THE ABUTTING EDGES OF THE PLATES AND AGAINST THE NOSE PORTION OF THE SHOE-BAR, COOLING THE MOLTEN METAL AS THE SHOE-BAR MOVES PROGRESSIVELY UPWARDLY AND EFFECTING SOLIDIFICATION OF THE WELD WHILE IT IS IN CONTACT WITH THE NOSE PORTION OF THE SHOEBAR.
References Cited (Backward Citations)
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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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |