Patent US3423254A successfully refreshed from Google Patents.
US3423254A
Expired / Lapsed
US
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Roller pressure quench system
Assignee: Drever Co
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Filing: 1966-11-03
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Granted: 1969-01-21
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Expires: 1986-11-03
Abstract
No abstract record available.
Inventors
- 👤 Franklin C Safford
- 👤 Robert A Mcgrath
- 👤 Edgar Lloyd Loveless
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:40
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/62; C21D1/667; B; B21; B21B; B21B45/00; B21B45/02; B21B45/0203; B21B45/0209; B21B45/0215; B21B45/0218; B21D; B21D1/00; B21D1/05; B21D3/00; B21D7/00; B21D7/02; C22; C22B; C22B1/00; C22B1/02; B21B35/00; B21B2035/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
345 words
IN A ROLLER PLATEN PRESSURE QUENCH SYSTEM, APPARATUS COMPRISING, IN COMBINATION, A FRAME, A HORIZONTAL LOWER ROLLER BED FIXED TO SAID FRAME AND HAVING TRANSVERSELY EXTENDING PARALLEL ROLLERS, A MOVABLE HORIZONTAL UPPER ROLLER BED ADAPTED TO BE GUIDED BY SAID FREAME AND HAVING TRANSVERSELY EXTENDING PARALLEL ROLLERS, SAID PARALLEL ROLLERS IN SAID UPPER ROLLER BED BEING DIRECTLY ABOVE SAID PARALLEL ROLLERS IN SAID LOWER ROLLER BED WITH THE AXES OF EACH SUPERPOSED PAIR OF ROLLERS LYING IN A VERTICAL PLANE WHEN SAID BEDS ARE IN RELATIVELY CLOSED POSITION, A CENTRALLY LOCATED VERTICAL DOUBLE-ACTING CYLINDER AND PISTON MEANS POSITIONED ABOVE SAID BEDS IN SUPPORTED RELATION TO SAID UPPER ROLLER BED, ROCKING BEAM MEANS POSITIONED IN FULCRUMED RELATION TO SAID FRAME AND PIVOTALLY ASSOCIATED WITH SAID CYLINDER AND PISTON MEANS, RAM MEANS CONNECTED TO SAID UPPER ROLLER BED AND PIVOTALLY ASSOCIATED WITH SAID ROCKING BEAM MEANS TO MOVE SAID UPPER ROLLER BED UP AND DOWN RESPECTIVELY TO OPEN AND CLOSE SAID BEDS INTERMS OF THE HEIGHT OF THE SPACE BETWEEN THEM, RESSPECTIVE SPROCKET AND CHAIN MEANS FOR ROTATING THE PARALLEL ROLLERS IN EACH BED TO PROVIDE A COMMON DIRECTION OF MOVEMENT FOR FLAT WORK IN SAID SPACE ENGAGED BY SAID PARALLEL ROLLERS IN SAID BEDS WHEN CLOSED TO DEFINE AN OPERATIVE WORK SPACE OF UNIFORM HEIGHT EQUAL TO THE THICKNESS OF SAID WORK, MEANS FOR PRESSING SAID BED WHEN CLOSED ON WORK TOWARD ONE ANOTHER WITH A SELECTED FORCE, A COMMON REVERSIBLE HYDRAULIC DRIVE FOR SAID LAST-NAMED MEANS OPERATIVE FOR ANY HEIGHT OF SPACE BETWEEN SAID BEDS, MEANS FOR REVERSING SAID HYDRAULIC DRIVE TO REVERS SAID COMMON DIRECTION OF MOVEMENT WHILE SAID WORK REMAINS WITHIN SAID WORK SPACE, AND MEANS POSITIONED BETWEEN PARALLEL ROLLERS IN EACH OF SAID BEDS TO SUPPLY WATER TO THE TOP AND BOTTOM SURFACES OF SAID WORK AT PRESSURE SUFFICIENT TO ENGAGE SAID SURFACES AND IN QUANTITIES SUFFICIENT FOR UNIFORM AND RAPID QUENCHING, SAID LAST-NAMED MEANS BEING OPERATIVE WHEN SAID BEDS ARE CLOSED UPON SAID WORK AND SAID WORK IS BEING RELATIVELY RAPIDLY REVERSED IN ITS DIRECTION OF MOVEMENT WITHIN SAID WORK SPACE.
Claim 2
Dependent Claim
345 words
IN A ROLLER PLATEN PRESSURE QUENCH SYSTEM, APPARATUS COMPRISING, IN COMBINATION, A FRAME, A HORIZONTAL LOWER ROLLER BED FIXED TO SAID FRAME AND HAVING TRANSVERSELY EXTENDING PARALLEL ROLLERS, A MOVABLE HORIZONTAL UPPER ROLLER BED ADAPTED TO BE GUIDED BY SAID FREAME AND HAVING TRANSVERSELY EXTENDING PARALLEL ROLLERS, SAID PARALLEL ROLLERS IN SAID UPPER ROLLER BED BEING DIRECTLY ABOVE SAID PARALLEL ROLLERS IN SAID LOWER ROLLER BED WITH THE AXES OF EACH SUPERPOSED PAIR OF ROLLERS LYING IN A VERTICAL PLANE WHEN SAID BEDS ARE IN RELATIVELY CLOSED POSITION, A CENTRALLY LOCATED VERTICAL DOUBLE-ACTING CYLINDER AND PISTON MEANS POSITIONED ABOVE SAID BEDS IN SUPPORTED RELATION TO SAID UPPER ROLLER BED, ROCKING BEAM MEANS POSITIONED IN FULCRUMED RELATION TO SAID FRAME AND PIVOTALLY ASSOCIATED WITH SAID CYLINDER AND PISTON MEANS, RAM MEANS CONNECTED TO SAID UPPER ROLLER BED AND PIVOTALLY ASSOCIATED WITH SAID ROCKING BEAM MEANS TO MOVE SAID UPPER ROLLER BED UP AND DOWN RESPECTIVELY TO OPEN AND CLOSE SAID BEDS INTERMS OF THE HEIGHT OF THE SPACE BETWEEN THEM, RESSPECTIVE SPROCKET AND CHAIN MEANS FOR ROTATING THE PARALLEL ROLLERS IN EACH BED TO PROVIDE A COMMON DIRECTION OF MOVEMENT FOR FLAT WORK IN SAID SPACE ENGAGED BY SAID PARALLEL ROLLERS IN SAID BEDS WHEN CLOSED TO DEFINE AN OPERATIVE WORK SPACE OF UNIFORM HEIGHT EQUAL TO THE THICKNESS OF SAID WORK, MEANS FOR PRESSING SAID BED WHEN CLOSED ON WORK TOWARD ONE ANOTHER WITH A SELECTED FORCE, A COMMON REVERSIBLE HYDRAULIC DRIVE FOR SAID LAST-NAMED MEANS OPERATIVE FOR ANY HEIGHT OF SPACE BETWEEN SAID BEDS, MEANS FOR REVERSING SAID HYDRAULIC DRIVE TO REVERS SAID COMMON DIRECTION OF MOVEMENT WHILE SAID WORK REMAINS WITHIN SAID WORK SPACE, AND MEANS POSITIONED BETWEEN PARALLEL ROLLERS IN EACH OF SAID BEDS TO SUPPLY WATER TO THE TOP AND BOTTOM SURFACES OF SAID WORK AT PRESSURE SUFFICIENT TO ENGAGE SAID SURFACES AND IN QUANTITIES SUFFICIENT FOR UNIFORM AND RAPID QUENCHING, SAID LAST-NAMED MEANS BEING OPERATIVE WHEN SAID BEDS ARE CLOSED UPON SAID WORK AND SAID WORK IS BEING RELATIVELY RAPIDLY REVERSED IN ITS DIRECTION OF MOVEMENT WITHIN SAID WORK SPACE.
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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) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |