US3078207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of laminating metal plates with a plastic film
Assignee: KIKUNA ELECTRIC Co Ltd
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Filing: 1960-01-26
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Granted: 1963-02-19
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Expires: 1980-01-26
Abstract
No abstract record available.
Inventors
- 👤 Takahashi Toshio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:56
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; Y; Y10; Y10T; Y10T29/00; Y10T29/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A METHOD OF MAKING A VARIABLE CONDENSER PLATE CONSISTING ESSENTIALLY OF THE FOLLOWING SUCCESSION OF STEPS: (1) FOLDING A POLYETHYLENE FILM ABOUT A THIN METAL PLATE HAVING TERMINAL TABS EXTENDING FROM AN EDGE THEREOF IN SUCH A MANNER AS TO EXPOSE SAID TABS WHILE COVERING SAID PLATE, THAT EDGE OF SAID PLATE WHICH IS REMOTE FROM SAID TABS BEING WITHIN THE FOLD OF POLYETHYLENE FILM; (2) ENCLOSING THE RESULTING COMPOSITE WITHIN A FOLD OF POLYETHYLENE TEREPHTHALATE FILM HAVING A WIDTH GREATER THAN SAID POLYETHYLENE FILM, SAID COMPOSITE BEING SO DISPOSED IN THE FOLD OF SAID POLYETHYLENE TEREPHTHALATE FILM THAT SAID TERMINAL TABS ARE DISPOSED ADJACENT THE OPEN END OF SAID FOLD OF POLYETHYLENE TEREPHTHALATE FILM WHILE THE FLAT SURFACES AND BENT PORTION OF SAID POLYETHYLENE FILM ARE FULLY COVERED BY SAID FOLD OF POLYETHYLENE TEREPHTHALATE FILM; (3) PRESSING AND SIMULTANEOUSLY HEATING THE RESULTING POTENTIAL LAMINATE TO ADHERE SAID POLYETHYLENE FILM SECURELY TO THE FLAT SURFACES AND EDGE PORTION OF SAID METAL PLATE AND TO MOLD THE POLYETHYLENE COVERING TO A PREDETERMINED UNIFORM THICKNESS; AND (4) THEREAFTER STRIPPING THE POLYETHYLENE TEREPHTHALATE FILM FROM THE RESULTING LAMINATE.
Claim 2
Independent Claim
185 words
A METHOD OF MAKING A VARIABLE CONDENSER PLATE CONSISTING ESSENTIALLY OF THE FOLLOWING SUCCESSION OF STEPS: (1) FOLDING A POLYETHYLENE FILM ABOUT A THIN METAL PLATE HAVING TERMINAL TABS EXTENDING FROM AN EDGE THEREOF IN SUCH A MANNER AS TO EXPOSE SAID TABS WHILE COVERING SAID PLATE, THAT EDGE OF SAID PLATE WHICH IS REMOTE FROM SAID TABS BEING WITHIN THE FOLD OF POLYETHYLENE FILM; (2) ENCLOSING THE RESULTING COMPOSITE WITHIN A FOLD OF POLYETHYLENE TEREPHTHALATE FILM HAVING A WIDTH GREATER THAN SAID POLYETHYLENE FILM, SAID COMPOSITE BEING SO DISPOSED IN THE FOLD OF SAID POLYETHYLENE TEREPHTHALATE FILM THAT SAID TERMINAL TABS ARE DISPOSED ADJACENT THE OPEN END OF SAID FOLD OF POLYETHYLENE TEREPHTHALATE FILM WHILE THE FLAT SURFACES AND BENT PORTION OF SAID POLYETHYLENE FILM ARE FULLY COVERED BY SAID FOLD OF POLYETHYLENE TEREPHTHALATE FILM; (3) PRESSING AND SIMULTANEOUSLY HEATING THE RESULTING POTENTIAL LAMINATE TO ADHERE SAID POLYETHYLENE FILM SECURELY TO THE FLAT SURFACES AND EDGE PORTION OF SAID METAL PLATE AND TO MOLD THE POLYETHYLENE COVERING TO A PREDETERMINED UNIFORM THICKNESS; AND (4) THEREAFTER STRIPPING THE POLYETHYLENE TEREPHTHALATE FILM FROM THE RESULTING LAMINATE.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |