Patent US3401446A successfully refreshed from Google Patents.
US3401446A
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Method for delaminating articles
Assignee: Branson Ultrasonics Corp
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Filing: 1966-04-07
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Granted: 1968-09-17
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Expires: 1986-04-07
Abstract
No abstract record available.
Inventors
- 👤 Edward G Obeda
- 👤 Robert L Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:32
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/46; Y; Y10; Y10T; Y10T156/00; Y10T156/11; Y10T156/1121; Y10T156/19; Y10T156/1922; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/49822; Y10T29/53; Y10T29/53678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
THE METHOD FOR DELAMINATING ELEMENTS WHICH ARE BONDED TOGETHER ALONG PARALLEL SIDES IN A STACK COMPRISING: CONTACTING A SELECTED ELEMENT WHICH IS TO BE SEPARATED FROM THE STACK WITH AN INSTRUMENTALITY VIBRATING AT LEAST AT 1000 CYCLES PER SECOND, THE PEAK ACCELERATION OF SAID VIBRATIONS APPLIED TO SAID SELECTED ELEMENT IN A MANNER TO DEVELOP A FORCE HAVING A SHEAR COMPONENT AND BEING OF SUFFICIENT MAGNITUDE TO WEAKEN AND BREAK THE BOND BETWEEN SAID SELECTED ELEMENT AND THE OTHER ELEMENTS REMAINING IN SAID STACK.
Claim 2
Independent Claim
84 words
THE METHOD FOR DELAMINATING ELEMENTS WHICH ARE BONDED TOGETHER ALONG PARALLEL SIDES IN A STACK COMPRISING: CONTACTING A SELECTED ELEMENT WHICH IS TO BE SEPARATED FROM THE STACK WITH AN INSTRUMENTALITY VIBRATING AT LEAST AT 1000 CYCLES PER SECOND, THE PEAK ACCELERATION OF SAID VIBRATIONS APPLIED TO SAID SELECTED ELEMENT IN A MANNER TO DEVELOP A FORCE HAVING A SHEAR COMPONENT AND BEING OF SUFFICIENT MAGNITUDE TO WEAKEN AND BREAK THE BOND BETWEEN SAID SELECTED ELEMENT AND THE OTHER ELEMENTS REMAINING IN SAID STACK.
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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |