US3089363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip thickness control apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1957-05-29
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Granted: 1963-05-14
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Expires: 1977-05-29
Abstract
No abstract record available.
Inventors
- 👤 John W Wallace
- 👤 Robert E Hull
- 👤 Raymond W Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:54
CPC Classifications
B; B21; B21B; B21B37/00; B21B37/16; B21B37/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
IN CONTROL APPARATUS FOR A MACHINE DEVICE INCLUDING A FIRST WORK MEMBER AND A SECOND WORK MEMBER OPERATIVE WITH A MOTOR FOR CONTROLLING THE SPACING BETWEEN SAID WORK MEMBERS AND A WORKPIECE FOR PERFORMING A PREDETERMINED OPERATION RELATIVE TO SAID WORKPIECE, THE COMBINATION OF A THICKNESS MEASURING DEVICE OPERATIVE WITH SAID WORKPIECE FOR PROVIDING A FIRST CONTROL SIGNAL THAT VARIES AS A FUNCTION OF THE THICKNESS OF SAID WORKPIECE, A FIRST CONTROL DEVICE OPERATIVE WITH SAID MOTOR AND RESPONSIVE TO SAID FIRST CONTROL SIGNAL FOR CONTROLLING THE SPACING BETWEEN SAID WORK MEMBERS IN ACCORDANCE WITH THE VARIATIONS OF SAID FIRST CONTROL SIGNAL, A SECOND CONTROL DEVICE RESPONSIVE TO THE SPACING BETWEEN SAID WORK MEMBERS FOR PROVIDING A SECOND CONTROL SIGNAL THAT VARIES PROPORTIONALLY WITH THE SPACING BETWEEN SAID WORK MEMBERS, WITH SAID FIRST CONTROL DEVICE BEING RESPONSIVE TO SAID SECOND CONTROL SIGNAL SUCH THAT SAID SECOND CONTROL SIGNAL IS DIFFERENTIALLY COMBINED WITH SAID FIRST CONTROL SIGNAL FOR CONTROLLING THE SPACING BETWEEN SAID WORK MEMBERS IN ACCORDANCE WITH THE DIFFERENCE BETWEEN SAID FIRST AND SECOND CONTROL SIGNALS.
Claim 2
Dependent Claim
176 words
IN CONTROL APPARATUS FOR A MACHINE DEVICE INCLUDING A FIRST WORK MEMBER AND A SECOND WORK MEMBER OPERATIVE WITH A MOTOR FOR CONTROLLING THE SPACING BETWEEN SAID WORK MEMBERS AND A WORKPIECE FOR PERFORMING A PREDETERMINED OPERATION RELATIVE TO SAID WORKPIECE, THE COMBINATION OF A THICKNESS MEASURING DEVICE OPERATIVE WITH SAID WORKPIECE FOR PROVIDING A FIRST CONTROL SIGNAL THAT VARIES AS A FUNCTION OF THE THICKNESS OF SAID WORKPIECE, A FIRST CONTROL DEVICE OPERATIVE WITH SAID MOTOR AND RESPONSIVE TO SAID FIRST CONTROL SIGNAL FOR CONTROLLING THE SPACING BETWEEN SAID WORK MEMBERS IN ACCORDANCE WITH THE VARIATIONS OF SAID FIRST CONTROL SIGNAL, A SECOND CONTROL DEVICE RESPONSIVE TO THE SPACING BETWEEN SAID WORK MEMBERS FOR PROVIDING A SECOND CONTROL SIGNAL THAT VARIES PROPORTIONALLY WITH THE SPACING BETWEEN SAID WORK MEMBERS, WITH SAID FIRST CONTROL DEVICE BEING RESPONSIVE TO SAID SECOND CONTROL SIGNAL SUCH THAT SAID SECOND CONTROL SIGNAL IS DIFFERENTIALLY COMBINED WITH SAID FIRST CONTROL SIGNAL FOR CONTROLLING THE SPACING BETWEEN SAID WORK MEMBERS IN ACCORDANCE WITH THE DIFFERENCE BETWEEN SAID FIRST AND SECOND CONTROL SIGNALS.
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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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |