Patent US3348640A successfully refreshed from Google Patents.
US3348640A
Expired / Lapsed
US
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Laminated articles and methods of bonding and debonding therefor
Assignee: Rockwell-Standard Corp
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Filing: 1964-10-29
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Granted: 1967-10-24
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Expires: 1984-10-29
Abstract
No abstract record available.
Inventors
- 👤 Robert R Thompson
- 👤 James C Cumming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:58
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/45; B29C65/00; B29C65/02; B29C65/34; B29C65/3404; B29C65/342; B29C65/3428; B29C65/3432; B29C65/344; B29C65/3472; B29C65/3476; B29C65/48; B29C65/4805; B29C65/483; B29C65/4835; B29C65/50; B29C65/5057; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/80; B29C66/81; B29C66/818; B29C66/8187; B29C66/81871; B32; B32B; B32B15/00; B32B15/04; B32B15/08; F; F16; F16D; F16D69/00; F16D69/04; F16D69/0416; B29C65/3468; B29C65/348; B29C65/76; B29C66/83; B29C66/832; B29C66/8324; B29L; B29L2031/00; B29L2031/748; B29L2031/7482; F16D2069/0425; F16D2069/045; F16D2069/0466; F16D2069/0475; F16D2069/0491; Y; Y10; Y10T; Y10T156/00; Y10T156/11; Y10T156/1153
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A METHOD OF BONDING A FRICTION LINING MEMBER TO A METAL MOUNTING MEMBER THEREFOR, SAID MEMBERS BEING PREFORMED TO HAVE GENERALLY COEXTENSIVE MOUNTING SURFACES OF THE SAME CONTOUR COMPRISING RECESSING AN ELECTRICAL RESISTANCE HEATING ELEMENT THAT IS DISTINCT FROM EITHER OF SAID MEMBERS WITHIN AND ALONG SAID FRICTION LINING MEMBER CLOSELY ADJACENT THE MOUNTING SURFACE THEREOF SO THAT SAID ELEMENT DOES NOT PROJECT OUT OF SAID MOUNTING SURFACE, SAID HEATING ELEMENT BEING DISPOSED IN AN ELECTRICALLY INSULATING ENVIRONMENT WITH RESPECT TO SAID MEMBERS, PROVIDING A COEXTENSIVE LAYER OF THERMOSETTING NON-METALLIC ADHESIVE MATERIAL BETWEEN SAID MEMBERS WHILE HOLDING SAID MEMBERS TOGETHER UNDER PRESSURE, AND ELECTRICALLY ENERGIZING SAID ELEMENT SUFFICIENTLY TO HEAT AND CURE SAID LAYER IN SITU AND THEREBY FORM A UNIFORM SHEAR RESISTANT BOND OF SAID MATERIAL BETWEEN SAID MEMBERS AT SAID SURFACES.
Claim 2
Independent Claim
133 words
A METHOD OF BONDING A FRICTION LINING MEMBER TO A METAL MOUNTING MEMBER THEREFOR, SAID MEMBERS BEING PREFORMED TO HAVE GENERALLY COEXTENSIVE MOUNTING SURFACES OF THE SAME CONTOUR COMPRISING RECESSING AN ELECTRICAL RESISTANCE HEATING ELEMENT THAT IS DISTINCT FROM EITHER OF SAID MEMBERS WITHIN AND ALONG SAID FRICTION LINING MEMBER CLOSELY ADJACENT THE MOUNTING SURFACE THEREOF SO THAT SAID ELEMENT DOES NOT PROJECT OUT OF SAID MOUNTING SURFACE, SAID HEATING ELEMENT BEING DISPOSED IN AN ELECTRICALLY INSULATING ENVIRONMENT WITH RESPECT TO SAID MEMBERS, PROVIDING A COEXTENSIVE LAYER OF THERMOSETTING NON-METALLIC ADHESIVE MATERIAL BETWEEN SAID MEMBERS WHILE HOLDING SAID MEMBERS TOGETHER UNDER PRESSURE, AND ELECTRICALLY ENERGIZING SAID ELEMENT SUFFICIENTLY TO HEAT AND CURE SAID LAYER IN SITU AND THEREBY FORM A UNIFORM SHEAR RESISTANT BOND OF SAID MATERIAL BETWEEN SAID MEMBERS AT SAID SURFACES.
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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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |