Patent US3203678A successfully refreshed from Google Patents.
US3203678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control system for rolls
Assignee: Warren SD Co
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Filing: 1963-05-01
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Granted: 1965-08-31
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Expires: 1983-05-01
Abstract
No abstract record available.
Inventors
- 👤 Willard C Sawyer
- 👤 Forrester Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:07
CPC Classifications
F; F28; F28F; F28F5/00; F28F5/02; D; D21; D21F; D21F7/00; D21F7/06; D21G; D21G1/00; D21G1/02; D21G1/0253; D21G1/0286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
APPARATUS FOR REGULATING THE SURFACE TEMPERATURE OF A CYLINDRICAL ROLL COMPRISING: TEMPERATURE SENSING MEANS ADAPTED TO BER SPACED FROM THE SURFACE OF A CYLINDRICAL ROLL; CONTROL MEANS RESPONSIVE TO SAID TEMPERATURE SENSING MEANS FOR SELECTIVLELY PASSING A SIGNAL WHEN THE SENSED TEMPERATURE EXCEEDS A GIVEN MAGNITUDE; TRAVERSING MEANS ADAPTED TO LATERALLY CONVEY SAID TEMPERATURE SENSING MEANS CONTINUOUSLY ACROSS ADJACENT SURFACE SEGMENTS OF THE CYLINDRICAL ROLL; COOLANT DISPENSING MEANS ADAPTED TO DIRECT COOLANT ONTO THE SURFACE OF THE CYLINDRICAL ROLL, SAID COOLANT DISPENSING MEANS INCLUDING MULTIPLE VALVE-CONTROLLED NOZZLES EACH ADAPTED TO BE LATERALLY DISPOSED OPPOSITE A CYLINDRICAL ROLL SURFACE SEGMENT; AND MEANS FOR RELAYING SIGNALS PASSED BY SAID CONTROL MEANS TO SAID VALVE-CONTROLLED NOZZLES FOR SELECTIVE ACTUATION THEREOF.
Claim 2
Dependent Claim
117 words
APPARATUS FOR REGULATING THE SURFACE TEMPERATURE OF A CYLINDRICAL ROLL COMPRISING: TEMPERATURE SENSING MEANS ADAPTED TO BER SPACED FROM THE SURFACE OF A CYLINDRICAL ROLL; CONTROL MEANS RESPONSIVE TO SAID TEMPERATURE SENSING MEANS FOR SELECTIVLELY PASSING A SIGNAL WHEN THE SENSED TEMPERATURE EXCEEDS A GIVEN MAGNITUDE; TRAVERSING MEANS ADAPTED TO LATERALLY CONVEY SAID TEMPERATURE SENSING MEANS CONTINUOUSLY ACROSS ADJACENT SURFACE SEGMENTS OF THE CYLINDRICAL ROLL; COOLANT DISPENSING MEANS ADAPTED TO DIRECT COOLANT ONTO THE SURFACE OF THE CYLINDRICAL ROLL, SAID COOLANT DISPENSING MEANS INCLUDING MULTIPLE VALVE-CONTROLLED NOZZLES EACH ADAPTED TO BE LATERALLY DISPOSED OPPOSITE A CYLINDRICAL ROLL SURFACE SEGMENT; AND MEANS FOR RELAYING SIGNALS PASSED BY SAID CONTROL MEANS TO SAID VALVE-CONTROLLED NOZZLES FOR SELECTIVE ACTUATION THEREOF.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |