woven fabric of highly heat conducting carbon fiber h 11 7 a first resin layer was formed on one side of the base layer 11 by coating with a heat resistant fluoroplastic the same one as used in example 1 filled with chopped carbon fiber h 11 7 produced from the same carbon fiber used for the base layer 11 the first resin layer and the back of the base layer were coated with an unfilled fluoroplastic coating was followed by heat curing the coated layer was ground and finally dewatering grooves were cut in the front side of the resin layer the belt 102 prepared as described above was tested by using the shoe press tester 41 fig4 in the same manner as in example 1 after test runs for 100 hours the physical properties of the belt were measured the results are shown in fig6 the belt temperature exceeded 70 u00b0 c but it easily decreased below 70 u00b0 c upon cooling with a water shower the lubricant temperature also remained low the lubricant film remained effective no increase in the driving load being observed the dewatering grooves retained 90 of their original volume after the test a sample of the belt 103 in accordance with the invention was prepared the sample having a structure corresponding to fig3 the belt was composed of a base layer 11 and a resin layer 12 covering both sides of the base layer the base layer was a woven fabric of polyester fiber h 0 27 the front outer resin layer a was formed from a urethane resin h 0 27 filled with alumina powder h 226 the intermediate.