US3125056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
kaiser
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:55
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
211 words
A METHOD OF FORMING A TUBULAR CAN BODY HAVING A CEMENTED SIDE SEAM INCLUDING INTERLOCKED HOOKED PORTIONS FROM A FLAT SHEET METAL BLANK COMPRISING THE STEPS OF APPLYING TO PREDETERMINED WIDTHS OF BOTH MARGINAL SURFACES OF SAID BLANK ADJACENT BOTH LONGITUDINAL EDGES THEREOF WHICH ARE TO BE JOINED IN SAID SIDE SEAM A FLUID COMPOSITION CONTAINING A HEAT-SOFTENABLE BONDING MATERIAL, HARDENING SAID FLUID COMPOSITION TO FORM THIN SOLID DEPOSITS OF SAID BONDING MATERIAL ON SAID MARGINAL SURFACES, BENDING LONGITUDINAL EDGE PORTIONS OF SAID BLANK TO FORM REVERSELY BENT BODY HOOKS, SHAPING SAID BLANK INTO A PARTIAL TUBULAR FORM, INTERENGAGING AND BUMPING SAID BODY HOOKS TO INTERLOCK THE HOOKS AND FORM A SIDE SEAM WITH SAID BONDING MATERIAL CONFINED WHOLLY WITHIN SAID SEAM AND BETWEEN THE PARTS TO BE JOINED, SAID BONDING MATERIAL COVERING SUBSTANTIALLY ALL OF THE CONTIGUOUS SURFACES OF THE INTERLOCKED BODY HOOKS, HEATING SAID SEAM TO SOFTEN THE BONDING MATERIAL ENCLOSED THEREIN, AND BUMPING SAID HEATED SEAM WITH A PREDETERMINED FORCE TO PRESS THE SEAM PARTS INTO CLOSE ENGAGEMENT AND SIMULTANEOUSLY CAUSE SAID SOFTENED BONDING MATERIAL TO FLOW UNIFORMLY WITHIN AND COMPLETELY FILL THE INTERSTICES OF SAID SEAM WHEREBY ALL PARTS OF SAID SEAM ARE FULLY BONDED THROUGHOUT TO PROVIDE A STRONG HERMETICALLY SEALED SIDE SEAM ON SAID BODY.
Claim 2
Independent Claim
211 words
A METHOD OF FORMING A TUBULAR CAN BODY HAVING A CEMENTED SIDE SEAM INCLUDING INTERLOCKED HOOKED PORTIONS FROM A FLAT SHEET METAL BLANK COMPRISING THE STEPS OF APPLYING TO PREDETERMINED WIDTHS OF BOTH MARGINAL SURFACES OF SAID BLANK ADJACENT BOTH LONGITUDINAL EDGES THEREOF WHICH ARE TO BE JOINED IN SAID SIDE SEAM A FLUID COMPOSITION CONTAINING A HEAT-SOFTENABLE BONDING MATERIAL, HARDENING SAID FLUID COMPOSITION TO FORM THIN SOLID DEPOSITS OF SAID BONDING MATERIAL ON SAID MARGINAL SURFACES, BENDING LONGITUDINAL EDGE PORTIONS OF SAID BLANK TO FORM REVERSELY BENT BODY HOOKS, SHAPING SAID BLANK INTO A PARTIAL TUBULAR FORM, INTERENGAGING AND BUMPING SAID BODY HOOKS TO INTERLOCK THE HOOKS AND FORM A SIDE SEAM WITH SAID BONDING MATERIAL CONFINED WHOLLY WITHIN SAID SEAM AND BETWEEN THE PARTS TO BE JOINED, SAID BONDING MATERIAL COVERING SUBSTANTIALLY ALL OF THE CONTIGUOUS SURFACES OF THE INTERLOCKED BODY HOOKS, HEATING SAID SEAM TO SOFTEN THE BONDING MATERIAL ENCLOSED THEREIN, AND BUMPING SAID HEATED SEAM WITH A PREDETERMINED FORCE TO PRESS THE SEAM PARTS INTO CLOSE ENGAGEMENT AND SIMULTANEOUSLY CAUSE SAID SOFTENED BONDING MATERIAL TO FLOW UNIFORMLY WITHIN AND COMPLETELY FILL THE INTERSTICES OF SAID SEAM WHEREBY ALL PARTS OF SAID SEAM ARE FULLY BONDED THROUGHOUT TO PROVIDE A STRONG HERMETICALLY SEALED SIDE SEAM ON SAID BODY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |