US3240635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire cloth and wire belts for use in paper making machines and method of making such wire cloth and wire belts
Assignee: Lindsay Wire Weaving Co
•
Filing: 1962-05-17
•
Granted: 1966-03-15
•
Expires: 1982-05-17
Abstract
No abstract record available.
Inventors
- 👤 Alfred G Hose
- 👤 Laurence D Kunsman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:35
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/10; B; B21; B21F; B21F33/00; C; C22; C22C; C22C19/00; C22C19/07; C22C38/00; C22C38/18; C22C38/40; C22C38/52; C22C9/00; C22F; C22F1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A PROCESS FOR MAKING AN ENDLESS BELT FOR USE WITH PAPER MAKING MACHINES, HAVING INTERWOVEN SETS OF WARP AND SHUTE WIRES MADE FFOM PRECIPITATION HARDENABLE COPPER-BERYLLIUM-COBALT ALLOYS, THE STEPS INCLUDING REDUCING THE WARP AND SHUTE WIRES FROM AN INTERMEDIATE WIRE SIZE DOWN TO A FINISHED WIRE SIZE, HEATING THE WARP AND SHUTE WIRES TO A TEMPERATURE OF ABOUT 1,475*F., FOR A PERIOD OF TIME OF ABOUT 15 MINUTES AND QUENCHING THE WIRES TO SECURE A PREDETERMINED YIELD AND TENSILE STRENGTH SUITABLE FOR FORMING INTO WIRE CLOTH, WEAVING THE WARP AND SHUTE WIRES INTO A WOVEN WIRE CLOTH, JOINING THE ENDS OF THE WOVEN WIRE CLOTH TOGETHER TO FORM AN ENDLESS BELT, HEATING THE ENDLESS BELT TO A TEMPERATURE OF ABOUT BETWEEN 475*F. TO 650*F. FOR A PERIOD OF TIME RANGING BETWEEN 1/4 AND 3 HOURS AND COOLING THE BELT TO ROOM TEMPERATURE TO PROVIDE IN THE HARDENED BELT A WARPWISE TENSILE STRENGTH OF ABOUT 300 LBS. PER INCH OF WIDTH WITH A WARPWISE BENDING FATIGUE RESISTENCE OF ABOUT 16,000 CYCLES TO FAILURE.
Claim 2
Dependent Claim
173 words
A PROCESS FOR MAKING AN ENDLESS BELT FOR USE WITH PAPER MAKING MACHINES HAVING INTERWOVEN SETS OF WARP AND SHUTE WIRES MADE FROM PRECIPITATION HARDENABLE IRONNICKEL-CHROMIUM-COBALT ALLOYS, THE STEPS INCLUDING REDUCING THE WARP AND SHUTE WIRES FROM AN INTERMEDIATE WIRE SIZE DOWN TO A FINISHED WIRE SIZE, HEATING THE WARP AND SHUTE WIRES TO A TEMPERATURE OF ABOUT 1,475*F. FOR A PERIOD OF TIME OF ABOUT 15 MINUTES AND QUENCHING THE WIRES TO SECURE A PREDETERMINED YIELD AND TENSILE STRENGTH SUITABLE FOR FORMING INTO WIRE CLOTH, WEAVING THE WARP AND SHUTE WIRES INTO A WOVEN WIRE CLOTH, JOINING THE ENDS OF THE WOVEN WIRE CLOTH TOGETHER TO FORM AN ENDLESS BELT, HEATING THE ENDLESS BELT TO A TEMPERATURE BETWEEN ABOUT 600*F. TO 1,000*F. FOR A PERIOD OF TIME RANGING BETWEEN ABOUT 3 TO 5 HOURS, AND THEN COOLING THE WIRE TO ROOM TEMPERATURE TO PROVIDE IN THE HARDENED BELT A WARPWISE TENSILE STRENGTH OF ABOUT 500 LBS. PER INCH OF WIDTH WITH A WARPWISE BENDING FATIGUE RESISTANCE OF ABOUT 31,000 CYCLES OF FAILURE.
References Cited (Backward Citations)
US1975114A
Cited
US2088449A
Cited
US2288512A
Cited
US2422477A
Cited
US2482098A
Cited
US2859149A
Cited
US2908065A
Cited
US2958618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |