US3245671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling method and apparatus for hot rolled steel rod
Assignee: Individual
•
Filing: 1963-04-08
•
Granted: 1966-04-12
•
Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 Takaishi Yoshio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:40
CPC Classifications
B; B21; B21B; B21B45/00; B21B45/02; B21B45/0203; B21B45/0209; B21B45/0215; B21B45/0224; B21B45/023; C; C21; C21D; C21D1/00; C21D1/18; C21D1/19; C21D1/62; C21D1/63
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN APPARATUS OF COOLING HOT ROLLED STEEL RODS COMPRISING: A QUENCHING TANK, SAID TANK BEING AT LEAST PARTIALLY FILLED WITH A COOLING FLUID FOR COOLING THE OUTER SURFACE OF SAID RODS WITHOUT SUBSTANTIALLY AFFECTING THE TEMPERATURE OF THE CORE THEREOF, MEANS FOR CONVEYING SAID RODS TO SAID QUENCHING TANK, MEANS FOR CONVEYING SAID RODS THROUGH SAID TANK AND ADAPTED TO ADJUST THE QUENCHING TIME IN THE QUENCHING TANK, MEANS OPERABLE AT A TEMPERATURE BETWEEN 300 TO 650* C. FOR EQUALIZING THE TEMPERATURE BETWEEN THE SURFACE AND THE CORE OF EACH OF THE RODS, MEANS FOR CONVEYING SAID RODS FROM SAID QUENCHING TANK THROUGH SAID EQUALIZING MEANS, MEANS FOR COOLING SAID SURFACE AND CORE OF EACH OF SAID RODS TO THE AMBIENT TEMPERATURE AND MEANS FOR CONVEYING SAID RODS FROM THE EQUALIZING MEANS THROUGH SAID COOLING MEANS.
Claim 2
Independent Claim
136 words
AN APPARATUS OF COOLING HOT ROLLED STEEL RODS COMPRISING: A QUENCHING TANK, SAID TANK BEING AT LEAST PARTIALLY FILLED WITH A COOLING FLUID FOR COOLING THE OUTER SURFACE OF SAID RODS WITHOUT SUBSTANTIALLY AFFECTING THE TEMPERATURE OF THE CORE THEREOF, MEANS FOR CONVEYING SAID RODS TO SAID QUENCHING TANK, MEANS FOR CONVEYING SAID RODS THROUGH SAID TANK AND ADAPTED TO ADJUST THE QUENCHING TIME IN THE QUENCHING TANK, MEANS OPERABLE AT A TEMPERATURE BETWEEN 300 TO 650* C. FOR EQUALIZING THE TEMPERATURE BETWEEN THE SURFACE AND THE CORE OF EACH OF THE RODS, MEANS FOR CONVEYING SAID RODS FROM SAID QUENCHING TANK THROUGH SAID EQUALIZING MEANS, MEANS FOR COOLING SAID SURFACE AND CORE OF EACH OF SAID RODS TO THE AMBIENT TEMPERATURE AND MEANS FOR CONVEYING SAID RODS FROM THE EQUALIZING MEANS THROUGH SAID COOLING MEANS.
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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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |