Patent US3086904A successfully refreshed from Google Patents.
US3086904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for applying organic film to adhesively coated metal strip
Assignee: National Steel Corp
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Filing: 1958-05-13
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Granted: 1963-04-23
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Expires: 1978-05-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Uhleen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:01
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727; Y10T428/00; Y10T428/26; Y10T428/266; Y10T428/31504; Y10T428/31652; Y10T428/31667; Y10T428/31678; Y10T428/31688; Y10T428/31692; Y10T428/31699; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A METHOD OF PREPARING A LAMINATE WHEREIN A SURFACE AREA OF METAL STRIP IS COATED WITH AN ADHESIVE WHICH IS HEAT CURABLE, THE ADHESIVE COATED METAL STRIP IS HEATED TO AN ELEVATED CURING TEMPERATURE TO CURE THE ADHESIVE, ORGANIC FILM IS APPLIED ON THE CURED ADHESIVE WHILE THE STRIP IS AT ELEVATED TEMPERATURE, THE ORANGIC FILM AND THE METAL STRIP WHILE IT IS AT ELEVATED TEMPERATURE ARE SUBJECTED TO A LAMINATING PRESSURE TO ADHERE THE ORGANIC FILM TO THE ADHESIVE COATED METAL STRIP AND THE RESULTANT LAMINATE IS COOLED, THE IMPROVEMENT IN APPLYING THE LAMINATING PRESSURE COMPRISING DISPOSING THE METAL STRIP AND THE ORGANIC FILM BETWEEN A PAIR OF SUBSTANTIALLY PARALLEL OPPOSING SURFACES, ONE OF THE OPPOSING SURFACES BEING RELATIVELY FIRM AND UNYIELDING AND THE OTHER BEING RELATIVELY SOFT AND YIELDING UNDER THE LAMINATING PRESSURE, THE SOFT AND YIELDING OPPOSING SURFACE BEING FORMED OF A RUBBERY POLYMER HAVING A HARDNESS NOT GREATER THAN ABOUT 55 DUROMETERS, THE RELATIVELY FIRM AND UNYIELDING OPPOSING
Claim 2
Dependent Claim
163 words
IN A METHOD OF PREPARING A LAMINATE WHEREIN A SURFACE AREA OF METAL STRIP IS COATED WITH AN ADHESIVE WHICH IS HEAT CURABLE, THE ADHESIVE COATED METAL STRIP IS HEATED TO AN ELEVATED CURING TEMPERATURE TO CURE THE ADHESIVE, ORGANIC FILM IS APPLIED ON THE CURED ADHESIVE WHILE THE STRIP IS AT ELEVATED TEMPERATURE, THE ORANGIC FILM AND THE METAL STRIP WHILE IT IS AT ELEVATED TEMPERATURE ARE SUBJECTED TO A LAMINATING PRESSURE TO ADHERE THE ORGANIC FILM TO THE ADHESIVE COATED METAL STRIP AND THE RESULTANT LAMINATE IS COOLED, THE IMPROVEMENT IN APPLYING THE LAMINATING PRESSURE COMPRISING DISPOSING THE METAL STRIP AND THE ORGANIC FILM BETWEEN A PAIR OF SUBSTANTIALLY PARALLEL OPPOSING SURFACES, ONE OF THE OPPOSING SURFACES BEING RELATIVELY FIRM AND UNYIELDING AND THE OTHER BEING RELATIVELY SOFT AND YIELDING UNDER THE LAMINATING PRESSURE, THE SOFT AND YIELDING OPPOSING SURFACE BEING FORMED OF A RUBBERY POLYMER HAVING A HARDNESS NOT GREATER THAN ABOUT 55 DUROMETERS, THE RELATIVELY FIRM AND UNYIELDING OPPOSING
References Cited (Backward Citations)
US2068893A
Cited
US2695857A
Cited
US2728703A
Cited
GB726949A
Cited
US2702580A
Cited
US2804416A
Cited
US2817618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |