US3555596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll adjustment system for plastics calenders
Assignee: Schloemann AG
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Filing: 1968-07-23
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Granted: 1971-01-19
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Expires: 1988-07-23
Abstract
Abstract HYDRAULIC MEANS FOR ADJUSTING THE ROLL GAP OF CALENDERS, ROLLING MILLS AND THE LIKE FOR ROLLING SYNTHETIC MATERIALS, IN WHICH THE BEARINGS OF THE ADJUSTABLE ROLL ARE CONNECTED WITH A CONTROL MEMBER, WHICH COOPERATES WITH A MICROSWITCH HAVING TWO REVERSING CONTACTS ADJUSTABLE TO DIFFERENT DISTANCES FROM THE ROLL STAND, WHICH CONTROLS A VALVE REGULATING THE SUPPLY OF PRESSURE LIQUID TO THE HYDRAULIC ADJUSTING MEANS, AND MEANS, PREFERABLY ADJUSTABLE ALONG A SPINDLE, FOR INDICATING THE POSITION OF THE MICROSWITCH.
Inventors
- 👤 Uwe Thieme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:51
CPC Classifications
B; B30; B30B; B30B3/00; B30B3/04; B21; B21B; B21B31/00; B21B31/16; B21B31/20; B21B31/32; F; F15; F15B; F15B11/00; F15B11/02; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/20538; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/30525; F15B2211/31; F15B2211/3138; F15B2211/32; F15B2211/327; F15B2211/40; F15B2211/405; F15B2211/40507; F15B2211/40515; F15B2211/415; F15B2211/41563; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50518; F15B2211/515; F15B2211/5151; F15B2211/55; F15B2211/60; F15B2211/63; F15B2211/6303; F15B2211/6336; F15B2211/665; F15B2211/6653; F15B2211/70; F15B2211/76; Y; Y10; Y10S; Y10S425/00; Y10S425/235
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |