US2748038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for roll quenching and straightening cylindrical elongated workpieces
Assignee: Gleason Works
•
Filing: 1953-04-13
•
Granted: 1956-05-29
•
Expires: 1973-04-13
Abstract
No abstract record available.
Inventors
- 👤 Robert V Adair
- 👤 Earl D Dammert
- 👤 Edward C Van Beers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:48
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/28
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
107 words
A ROLLING QUENCH MACHINE HAVING A QUENCHING CHAMBER AND TWO SETS OF ROLLERS FOR SUPPORTING A WORKPIECE IN THE CHAMBER WHILE A QUENCHING MEDIUM IS THERE APPLIED TO IT, MEANS FOR MOVING ONE SET OF ROLLERS RELATIVELY TOWARD AND AWAY FROM THE OTHER SET RESPECTIVELY TO AND FROM AN OPERATIVE RELATIONSHIP WHEREIN ROLLERS OF BOTH SETS ENGAGE THE WORKPIECE, AND MEANS FOR ROTATING THE WORKPIECE UPON THE ROLLERS WHILE THEY ARE IN SUCH OPERATIVE RELATIONSHIP, CHARACTERIZED BY THE PROVISION OF A MEANS TO SIMULTANEOUSLY CHANGE THE ALIGNMENT OF ROLLERS OF BOTH SETS WHILE THEY ARE IN THEIR OPERATIVE RELATIONSHIP AND A WORKPIECE IS BEING ROTATED BETWEEN THEM.
Claim 2
Dependent Claim
107 words
A ROLLING QUENCH MACHINE HAVING A QUENCHING CHAMBER AND TWO SETS OF ROLLERS FOR SUPPORTING A WORKPIECE IN THE CHAMBER WHILE A QUENCHING MEDIUM IS THERE APPLIED TO IT, MEANS FOR MOVING ONE SET OF ROLLERS RELATIVELY TOWARD AND AWAY FROM THE OTHER SET RESPECTIVELY TO AND FROM AN OPERATIVE RELATIONSHIP WHEREIN ROLLERS OF BOTH SETS ENGAGE THE WORKPIECE, AND MEANS FOR ROTATING THE WORKPIECE UPON THE ROLLERS WHILE THEY ARE IN SUCH OPERATIVE RELATIONSHIP, CHARACTERIZED BY THE PROVISION OF A MEANS TO SIMULTANEOUSLY CHANGE THE ALIGNMENT OF ROLLERS OF BOTH SETS WHILE THEY ARE IN THEIR OPERATIVE RELATIONSHIP AND A WORKPIECE IS BEING ROTATED BETWEEN THEM.
Claim 3
Independent Claim
79 words
THE METHOD OF QUENCHING AND STRAIGHTENING A HEATED WORKPIECE OF ELONGATED GENERALLY CYLINDRICAL FORM WHICH COMPRISES ROTATING THE WORKPIECE WHILE IT IS BEING HELD SUBSTANTIALLY STRAIGHT OR SLIGHTLY BOWED BETWEEN TWO SETS OF ROLLERS, APPLYING A QUENCHING MEDIUM TO THE WORKPIECE WHILE IT IS BEING SO HELD AND ROTATED, THEN BOWING OR FURTHER BOWING THE AXIS OF THE WORKPIECE BY CHANGING THE ALIGNMENT OF ROLLERS OF BOTH OF THE TWO SETS, AND ROTATING THE WORKPIECE ABOUT SUCH BOWED AXIS.
Claim 4
Independent Claim
79 words
THE METHOD OF QUENCHING AND STRAIGHTENING A HEATED WORKPIECE OF ELONGATED GENERALLY CYLINDRICAL FORM WHICH COMPRISES ROTATING THE WORKPIECE WHILE IT IS BEING HELD SUBSTANTIALLY STRAIGHT OR SLIGHTLY BOWED BETWEEN TWO SETS OF ROLLERS, APPLYING A QUENCHING MEDIUM TO THE WORKPIECE WHILE IT IS BEING SO HELD AND ROTATED, THEN BOWING OR FURTHER BOWING THE AXIS OF THE WORKPIECE BY CHANGING THE ALIGNMENT OF ROLLERS OF BOTH OF THE TWO SETS, AND ROTATING THE WORKPIECE ABOUT SUCH BOWED AXIS.
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) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |