Patent US2726922A successfully refreshed from Google Patents.
US2726922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: Uniroyal Inc
•
Filing: 1952-10-06
•
Granted: 1955-12-13
•
Expires: 1972-10-06
Abstract
No abstract record available.
Inventors
- 👤 Robert A Merrill
- 👤 Henry S Mika
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:26
CPC Classifications
G; G05; G05D; G05D27/00; G05D27/02; B; B29; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/25; B29C48/92; B29C2948/00; B29C2948/92; B29C2948/92009; B29C2948/92085; B29C2948/9218; B29C2948/92504; B29C2948/92523; B29C2948/92609; B29C2948/92638; B29C2948/9279; B29C2948/92819; B29C2948/92933; B29C2948/92942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN A CONVEYOR SYSTEM FOR CONVEYING CONTINUOUSLY EXTRUDED MATERIAL FROM AN EXTRUDING DIE, SAID CONVEYOR SYSTEM HAVING A SERIES OF INDIVIDUAL CONVEYORS AND MEANS FOR INDEPENDENTLY DRIVING EACH CONVEYOR, A CONTROL SYSTEM COMPRISING, MEANS ADJACENT THE EXTRUDING DIE FOR DETECTING A WEIGHT DEVIATION IN THE EXTRUDED MATERIAL FROM A PREDETERMINED STANDARD, CONTROL MEANS OPERATED BY SAID WEIGHT DEVIATION DETECTING MEANS FOR SIMULTANEOUSLY VARYINT THE SPEEDS OF ALL THE CONVEYOR DRIVING MEANS TO CORRECT THE WEIGHT OF THE EXTRUDED MATERIAL, MEANS ADJACENT THE CONVEYORS AT A PLURALITY OF POINTS ALONG THE CONVEYOR SYSTEM FOR DETECTING A TENSION DEVIATION IN THE EXTRUDED MATERIAL, CONTROL MEANS OPERATED BY SAID TENSION DEVIATION DETECTING MEANS FOR VARYING THE SPEED OF THE INDIVIDUAL CONVEYOR DRIVING MEANS AS NECESSARY TO CORRECT THE TENSION AND MEANS RESPONSIVE TO THE DIFFERENCE IN SPEED OF THE FIRST AND LAST CONVEYORS IN THE SERIES FOR INTRODUCING A COMPENSATING CORRECTION IN THE SECOND NAMED MEANS TO COMPENSATE FOR THE CHANGES IN WEIGHT PER UNIT OF LENGTH OF EXTRUDED MATERIAL DUE TO SHRINKAGE IN ITS TRAVEL ALONG THE CONVEYOR SYSTEM.
Claim 2
Dependent Claim
177 words
IN A CONVEYOR SYSTEM FOR CONVEYING CONTINUOUSLY EXTRUDED MATERIAL FROM AN EXTRUDING DIE, SAID CONVEYOR SYSTEM HAVING A SERIES OF INDIVIDUAL CONVEYORS AND MEANS FOR INDEPENDENTLY DRIVING EACH CONVEYOR, A CONTROL SYSTEM COMPRISING, MEANS ADJACENT THE EXTRUDING DIE FOR DETECTING A WEIGHT DEVIATION IN THE EXTRUDED MATERIAL FROM A PREDETERMINED STANDARD, CONTROL MEANS OPERATED BY SAID WEIGHT DEVIATION DETECTING MEANS FOR SIMULTANEOUSLY VARYINT THE SPEEDS OF ALL THE CONVEYOR DRIVING MEANS TO CORRECT THE WEIGHT OF THE EXTRUDED MATERIAL, MEANS ADJACENT THE CONVEYORS AT A PLURALITY OF POINTS ALONG THE CONVEYOR SYSTEM FOR DETECTING A TENSION DEVIATION IN THE EXTRUDED MATERIAL, CONTROL MEANS OPERATED BY SAID TENSION DEVIATION DETECTING MEANS FOR VARYING THE SPEED OF THE INDIVIDUAL CONVEYOR DRIVING MEANS AS NECESSARY TO CORRECT THE TENSION AND MEANS RESPONSIVE TO THE DIFFERENCE IN SPEED OF THE FIRST AND LAST CONVEYORS IN THE SERIES FOR INTRODUCING A COMPENSATING CORRECTION IN THE SECOND NAMED MEANS TO COMPENSATE FOR THE CHANGES IN WEIGHT PER UNIT OF LENGTH OF EXTRUDED MATERIAL DUE TO SHRINKAGE IN ITS TRAVEL ALONG THE CONVEYOR SYSTEM.
References Cited (Backward Citations)
US1348943A
Cited
US1687339A
Cited
US2051781A
Cited
US2156895A
Cited
US2530387A
Cited
US2544467A
Cited
US2632872A
Cited
US2613341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-12 | 1959-06-13 | 1959-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-12 | 1963-06-13 | 1963-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-12 | 1967-06-13 | 1967-12-13 | $7700.00 | Window Closed / Lapsed |