Wire cloth and wire belts for use in paper making machines and method of making such wire cloth and wire belts |
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申请号 | US19557262 | 申请日 | 1962-05-17 | 公开(公告)号 | US3240635A | 公开(公告)日 | 1966-03-15 |
申请人 | LINDSAY WIRE WEAVING CO; | 发明人 | HOSE ALFRED G; KUNSMAN LAURENCE D; | ||||
摘要 | |||||||
权利要求 | 9. 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. 10. 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. |
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