US3121247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for wiping off liquid metal from rollers
Assignee: Vitkovicke Zelezarny Klementa Gottwalda np
•
Filing: 1962-02-28
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Granted: 1964-02-18
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Expires: 1982-02-28
Abstract
No abstract record available.
Inventors
- 👤 Malicky Vaclav
- 👤 Stanek Milan
- 👤 Sir Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:08
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/14; C23C2/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A DEVICE FOR WIPING OFF EXCESS LIQUID METAL FROM ROLLERS, SAID EXCESS METAL BEING PASSED ON, IN ADHERENCE TO SURFACES, FROM METAL-COATED SHEETS TO SAID ROLLERS, SAID DEVICE COMPRISING (1) AT LEAST A SINGLE PAIR OF ROLLERS MOUNTED TO FORM A NIP THROUGH WHICH THE SHEET BEING WORKED ON PASSES, (2) MOVABLE BEARING MEANS FOR ONE OF SAID ROLLERS CONNECTED TO SAID ONE ROLLER FOR MOTION THEREWITH TOWARD AND AWAY FROM THE OTHER OF SAID ROLLERS, (3) MEANS FOR AUTOMATICALLY AND CONSTANTLY URGING SAID MOVABLE ROLLER INTO YIELDING ENGAGEMENT WITH SAID OTHER OR RELATIVELY IMMOVABLE ROLLER, SAID MOVABLE ROLLER BEING THUS MOUNTED TO MOVE AUTOMATICALLY, IN ACCORDANCE WITH VARYING CHARACTERISTICS OF SAID SHEET, TOWARD AND AWAY FROM SAID IMMOVABLE ROLLER, (4) SEPARATE WIPER MEANS FOR EACH OF SAID ROLLERS, (5) THE WIPER MEANS OF EACH OF SAID ROLLERS INCLUDING A WIPER INSERT AND MEANS FOR AUTOMATICALLY AND CONSTANTLY URGING THE RESPECTIVE WIPER INSERT INTO YIELDING ENGAGEMENT WITH THE RESPECTIVE ROLLER, AND (6) MEANS FOR MOUNTING THE WIPER MEANS OF SAID MOVABLE ROLLER ON SAID BEARING MEANS, PERMITTING THE WIPER MEANS OF SAID MOVABLE ROLLER TO MOVE WITH SAID MOVABLE ROLLER AND BEARING MEANS TOWARD OR AWAY FROM SAID IMMOVABLE ROLLER.
Claim 2
Independent Claim
200 words
A DEVICE FOR WIPING OFF EXCESS LIQUID METAL FROM ROLLERS, SAID EXCESS METAL BEING PASSED ON, IN ADHERENCE TO SURFACES, FROM METAL-COATED SHEETS TO SAID ROLLERS, SAID DEVICE COMPRISING (1) AT LEAST A SINGLE PAIR OF ROLLERS MOUNTED TO FORM A NIP THROUGH WHICH THE SHEET BEING WORKED ON PASSES, (2) MOVABLE BEARING MEANS FOR ONE OF SAID ROLLERS CONNECTED TO SAID ONE ROLLER FOR MOTION THEREWITH TOWARD AND AWAY FROM THE OTHER OF SAID ROLLERS, (3) MEANS FOR AUTOMATICALLY AND CONSTANTLY URGING SAID MOVABLE ROLLER INTO YIELDING ENGAGEMENT WITH SAID OTHER OR RELATIVELY IMMOVABLE ROLLER, SAID MOVABLE ROLLER BEING THUS MOUNTED TO MOVE AUTOMATICALLY, IN ACCORDANCE WITH VARYING CHARACTERISTICS OF SAID SHEET, TOWARD AND AWAY FROM SAID IMMOVABLE ROLLER, (4) SEPARATE WIPER MEANS FOR EACH OF SAID ROLLERS, (5) THE WIPER MEANS OF EACH OF SAID ROLLERS INCLUDING A WIPER INSERT AND MEANS FOR AUTOMATICALLY AND CONSTANTLY URGING THE RESPECTIVE WIPER INSERT INTO YIELDING ENGAGEMENT WITH THE RESPECTIVE ROLLER, AND (6) MEANS FOR MOUNTING THE WIPER MEANS OF SAID MOVABLE ROLLER ON SAID BEARING MEANS, PERMITTING THE WIPER MEANS OF SAID MOVABLE ROLLER TO MOVE WITH SAID MOVABLE ROLLER AND BEARING MEANS TOWARD OR AWAY FROM SAID IMMOVABLE ROLLER.
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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) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |