Patent US4711090A successfully refreshed from Google Patents.
Patent US3362418A successfully refreshed from Google Patents.
US3362418A
Expired / Lapsed
US
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Apparatus for hydraulically de-scaling ingots particularly hollow ingots
Assignee: Werner and Pfleiderer GmbH
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Filing: 1966-04-25
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Granted: 1968-01-09
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Expires: 1986-04-25
Abstract
No abstract record available.
Inventors
- 👤 Herold Hans Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:50
CPC Classifications
B; B21; B21J; B21J1/00; B21J1/02; B21B; B21B45/00; B21B45/04; B21B45/08; B22; B22D; B22D29/00; B22D29/001; B22D29/006; C; C23; C23G; C23G3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN APPARATUS FOR HYDRAULICALLY DE-SCALING INGOTS AND MORE PARTICULARLY HOLLOW INGOTS, COMPRISING A SUPPORTING PLATE, AT LEAST TWO PAIRS OF CYLINDERS ARRANGED ON SAID PLATE, A PAIR OF PISTONS DISPLACEABLE IN THE SAME DIRECTION IN EACH PAIR OF CYLINDERS, A NOZZLE SET OPERABLY CONNECTED TO EACH PAIR OF PISTONS AND MOVABLE IN OPPOSITE DIRECTIONS, MEANS FOR SUPPORTING AN INGOT TO BE DESCALED IN OPERATIVE RELATIONSHIP TO SAID NOZZLE SETS, A SOURCE OF PRESSURE FLUID, CONDUIT MEANS BETWEEN SAID SOURCE PRESSURE FLUID AND SAID CYLINDERS AND NOZZLE SETS, AND MEANS FOR SUPPLYING SAID PRESSURE FLUID INTO SAID NOZZLE SETS VIA SAID CYLINDERS AND SAID CONDUIT MEANS WHEREBY SAID PISTONS ARE SIMULTANEOUSLY DISPLACEABLE TOGETHER WITH SAID NOZZLE SETS UPON THE ISSUANCE OF PRESSURE FLUID FROM SAID NOZZLE SETS.
Claim 2
Independent Claim
126 words
AN APPARATUS FOR HYDRAULICALLY DE-SCALING INGOTS AND MORE PARTICULARLY HOLLOW INGOTS, COMPRISING A SUPPORTING PLATE, AT LEAST TWO PAIRS OF CYLINDERS ARRANGED ON SAID PLATE, A PAIR OF PISTONS DISPLACEABLE IN THE SAME DIRECTION IN EACH PAIR OF CYLINDERS, A NOZZLE SET OPERABLY CONNECTED TO EACH PAIR OF PISTONS AND MOVABLE IN OPPOSITE DIRECTIONS, MEANS FOR SUPPORTING AN INGOT TO BE DESCALED IN OPERATIVE RELATIONSHIP TO SAID NOZZLE SETS, A SOURCE OF PRESSURE FLUID, CONDUIT MEANS BETWEEN SAID SOURCE PRESSURE FLUID AND SAID CYLINDERS AND NOZZLE SETS, AND MEANS FOR SUPPLYING SAID PRESSURE FLUID INTO SAID NOZZLE SETS VIA SAID CYLINDERS AND SAID CONDUIT MEANS WHEREBY SAID PISTONS ARE SIMULTANEOUSLY DISPLACEABLE TOGETHER WITH SAID NOZZLE SETS UPON THE ISSUANCE OF PRESSURE FLUID FROM SAID NOZZLE SETS.
References Cited (Backward Citations)
US1364706A
Cited
DE504866C
Cited
US1933412A
Cited
US2690756A
Cited
FR1087901A
Cited
US3023756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |