US3119724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for stack cutting metal sheets and plates
Assignee: Challenge Cook Bros Inc
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Filing: 1961-10-19
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Granted: 1964-01-28
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Expires: 1981-10-19
Abstract
No abstract record available.
Inventors
- 👤 Delton C Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:25
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A METHOD OF SIMULATANEOUSLY PRODUCING A PLURALITY OF FORMS CUT FROM METAL SHEETS OR PLATES WHICH COMPRISES THE STEPS OF: FORMING A FLAT STACK OF PIECES OF THE MATERIAL TO BE CUT; SUSPENDING A TEMPLATE OVER SAID STACK; APPLYING TO SAID STACK HOLD-DOWN MEANS OF A CONFIGURATION SIMILAR TO BUT SMALLER THAN SAID TEMPLATE; ALIGNING THE HOLD-DOWN MEANS CLOSELY ADJACENT TO A CUTTING PATH; ALIGNING A CUTTING TORCH WITH SAID TEMPLATE; APPLYING AUTOMATIC TEMPLATE FOLLOWING MEANS TO THE TORCH, SAID MEANS AUTOMATICALLY FOLLOWING THE TEMPLATE SO AS TO ALLOW THE TORCH TO CUT IN A PATTERN CORRESPONDING TO THE PERIPHERAL COUNTOUR OF THE TEMPLATE; ENERGIZING SAID TORCH; AND DRIVING SAID TORCH ALONG A CUTTING PATH IN CLOSE PROXIMITY TO THE OUTSIDE EDGES OF SAID HOLD-DOWN MEANS SO AS TO CUT THROUGH SAID STACK IN A PATTERN DETERMINED BY SAID TEMPLATE.
Claim 2
Independent Claim
140 words
A METHOD OF SIMULATANEOUSLY PRODUCING A PLURALITY OF FORMS CUT FROM METAL SHEETS OR PLATES WHICH COMPRISES THE STEPS OF: FORMING A FLAT STACK OF PIECES OF THE MATERIAL TO BE CUT; SUSPENDING A TEMPLATE OVER SAID STACK; APPLYING TO SAID STACK HOLD-DOWN MEANS OF A CONFIGURATION SIMILAR TO BUT SMALLER THAN SAID TEMPLATE; ALIGNING THE HOLD-DOWN MEANS CLOSELY ADJACENT TO A CUTTING PATH; ALIGNING A CUTTING TORCH WITH SAID TEMPLATE; APPLYING AUTOMATIC TEMPLATE FOLLOWING MEANS TO THE TORCH, SAID MEANS AUTOMATICALLY FOLLOWING THE TEMPLATE SO AS TO ALLOW THE TORCH TO CUT IN A PATTERN CORRESPONDING TO THE PERIPHERAL COUNTOUR OF THE TEMPLATE; ENERGIZING SAID TORCH; AND DRIVING SAID TORCH ALONG A CUTTING PATH IN CLOSE PROXIMITY TO THE OUTSIDE EDGES OF SAID HOLD-DOWN MEANS SO AS TO CUT THROUGH SAID STACK IN A PATTERN DETERMINED BY SAID TEMPLATE.
References Cited (Backward Citations)
US2178938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |