US3140512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for controlling the crowning of rolls and the like
Assignee: Individual
•
Filing: 1962-04-17
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Granted: 1964-07-14
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Expires: 1982-04-17
Abstract
No abstract record available.
Inventors
- 👤 John M Hausman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:21
CPC Classifications
D; D21; D21G; D21G1/00; D21G1/02; D21G1/0206; B; B29; B29C; B29C43/00; B29C43/22; Y; Y10; Y10S; Y10S425/00; Y10S425/019; Y10S425/235
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN A CYLINDRICAL ROLL HAVING A CENTER CHAMBER AND A WORKING FACE AND HAVING RIGID WALLS OF SUFFICIENT STRENGTH TO WITHSTAND NORMAL OPERATIVE FORCES APPLIED THERETO, SAID CHAMBER BEING LONGITUDINALLY CENTERED WITHIN SAID ROLL IN RELATION TO THE END SUPPORTS PROVIDED THEREFOR, MEANS WITHIN SAID CHAMBER FOR EXPANDING THE ROLL TO PROVIDE IT WITH A CROWN INTERMEDIATE THE ENDS THEREOF, ELECTRICALLY ACTUATED PRESSURE PRODUCING MEANS CARRIED BY SAID ROLL AND OPERATIVELY ENGAGING SAID FIRST MEANS FOR APPLYING PRESSURE THERETO TO SET UP EXPANSIVE FORCES ON SAID ROLL WALLS TO FORM A CROWN THEREON, AND REMOTE POWER SUPPLY MEANS ELECTRICALLY CONNECTED TO SAID PRESSURE PRODUCING MEANS TO CONTROL OPERATION THEREOF.
Claim 2
Dependent Claim
109 words
IN A CYLINDRICAL ROLL HAVING A CENTER CHAMBER AND A WORKING FACE AND HAVING RIGID WALLS OF SUFFICIENT STRENGTH TO WITHSTAND NORMAL OPERATIVE FORCES APPLIED THERETO, SAID CHAMBER BEING LONGITUDINALLY CENTERED WITHIN SAID ROLL IN RELATION TO THE END SUPPORTS PROVIDED THEREFOR, MEANS WITHIN SAID CHAMBER FOR EXPANDING THE ROLL TO PROVIDE IT WITH A CROWN INTERMEDIATE THE ENDS THEREOF, ELECTRICALLY ACTUATED PRESSURE PRODUCING MEANS CARRIED BY SAID ROLL AND OPERATIVELY ENGAGING SAID FIRST MEANS FOR APPLYING PRESSURE THERETO TO SET UP EXPANSIVE FORCES ON SAID ROLL WALLS TO FORM A CROWN THEREON, AND REMOTE POWER SUPPLY MEANS ELECTRICALLY CONNECTED TO SAID PRESSURE PRODUCING MEANS TO CONTROL OPERATION THEREOF.
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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |