US2711775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for debonding of brake linings
Assignee: Raybestos Manhattan Inc
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Filing: 1951-06-27
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Granted: 1955-06-28
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Expires: 1971-06-27
Abstract
No abstract record available.
Inventors
- 👤 Clyde S Batchelor
- 👤 Rudolph E Steck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:43
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/04; F16D69/0416; F16D2069/0425; F16D2069/0491; Y; Y10; Y10S; Y10S156/00; Y10S156/918; Y10S156/919; Y10S156/927; Y10T; Y10T156/00; Y10T156/11; Y10T156/1168; Y10T156/19; Y10T156/1961; Y10T156/1967; Y10T156/1972; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/53; Y10T29/53648
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
113 words
THE METHOD OF DEBONDING A BRAKE LINING FROM A BRAKE SHOW TO WHICH IT HAS BEEN ADHESIVELY BONDED BY MEANS OF AN INTERPOSED HEAT-HARDENED ORGANIC BINDER, WHICH COMPRISES INITIALLY DIRECTING A FIXED SUPERHEATED BLAST FROM A RADIANT TYPE GAS HEATER AGAINST AND IN CLOSE PROXIMITY TO A LIMITED ARCUATE END PORTION OF THE UNDERFACE OF THE BRAKE SHOE, AND AFTER A TEMPORARY DWELL THEREAT MOVING SAID BRAKE SHOE IN THE DIRECTION OF ITS ARC OVER SAID FIXED BLAST, TO PROGRESSIVELY HEAT THE ENTIRE UNDERFACE AREA TO A TEMPERATURE OF FROM ABOUT 1000* F. TO ABOUT 1800* F. TO THEREBY DESTRUCTIVELY DISTILL SAID BINDER IN A PROGRESSIVELY MANNER OVER THE LENGTH OF THE SHOE.
Claim 2
Independent Claim
113 words
THE METHOD OF DEBONDING A BRAKE LINING FROM A BRAKE SHOW TO WHICH IT HAS BEEN ADHESIVELY BONDED BY MEANS OF AN INTERPOSED HEAT-HARDENED ORGANIC BINDER, WHICH COMPRISES INITIALLY DIRECTING A FIXED SUPERHEATED BLAST FROM A RADIANT TYPE GAS HEATER AGAINST AND IN CLOSE PROXIMITY TO A LIMITED ARCUATE END PORTION OF THE UNDERFACE OF THE BRAKE SHOE, AND AFTER A TEMPORARY DWELL THEREAT MOVING SAID BRAKE SHOE IN THE DIRECTION OF ITS ARC OVER SAID FIXED BLAST, TO PROGRESSIVELY HEAT THE ENTIRE UNDERFACE AREA TO A TEMPERATURE OF FROM ABOUT 1000* F. TO ABOUT 1800* F. TO THEREBY DESTRUCTIVELY DISTILL SAID BINDER IN A PROGRESSIVELY MANNER OVER THE LENGTH OF THE SHOE.
Claim 3
Independent Claim
105 words
A DEVICE FOR DEBONDING A BRAKE LINING FROM A BRAKE SHOE OF WHICH IT HAS BEEN ADHESIVELY UNITED BY MEANS OF AN INTERPOSED LAYER OF HEAT-HARDENED ORGANIC BINDER, COMPRISING A PIVOTALLY MOUNTED ROTATABLE SUPPORT INCLUDING A PAIR OF SPACED SEATS ADAPTED TO RECEIVE THE OPPOSED ENDS OF THE RIB OF SAID BRAKE SHOE, FIXEDLY POSITIONED RADIANT-TYPE GAS HEATING MEANS DISPOSED TO EXTEND IN CLOSE PROXIMITY TO THE UNDERFACE OF A SUPPORTED BRAKE SHOE AND IN JUXTAPOSITION WITH A LIMITED ARCUATE AREA THEREOF, AND MEANS FOR ROTATING SAID ROTATABLE SUPPORT TO PERMIT PROGRESSIVE HEATING OF THE REMAINING AREA OF THE UNDERFACE OF A SUPPORTED BRAKE SHOE.
Claim 4
Independent Claim
105 words
A DEVICE FOR DEBONDING A BRAKE LINING FROM A BRAKE SHOE OF WHICH IT HAS BEEN ADHESIVELY UNITED BY MEANS OF AN INTERPOSED LAYER OF HEAT-HARDENED ORGANIC BINDER, COMPRISING A PIVOTALLY MOUNTED ROTATABLE SUPPORT INCLUDING A PAIR OF SPACED SEATS ADAPTED TO RECEIVE THE OPPOSED ENDS OF THE RIB OF SAID BRAKE SHOE, FIXEDLY POSITIONED RADIANT-TYPE GAS HEATING MEANS DISPOSED TO EXTEND IN CLOSE PROXIMITY TO THE UNDERFACE OF A SUPPORTED BRAKE SHOE AND IN JUXTAPOSITION WITH A LIMITED ARCUATE AREA THEREOF, AND MEANS FOR ROTATING SAID ROTATABLE SUPPORT TO PERMIT PROGRESSIVE HEATING OF THE REMAINING AREA OF THE UNDERFACE OF A SUPPORTED BRAKE SHOE.
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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) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |