PURPOSE:To protect troidal magnetic field coils by forcibly decreasing the current of the troidal magnetic field coil and simultaneously decreasing the currents of the respective troidal magnetic field coils disposed at every other one piece when abnormality arises. CONSTITUTION:Nuclear fusion equipment is provided with closing switches 6a-6f and diodes 7a-7f to simultaneously and forcibly decreas...

This new synthetic lubricating fluid is a cyclohexyl cyclohexane carboxylate compound or its derivative and has the general formula (1) where n is an integer from 0 to 5 (better 1 to 3), m is an integer from 0 to 5 (better 1 to 3) and the sum n+m lies in the range 1to 10, the R1 are independently hydrogen atoms or 1-8C alkyl groups, the R2 are independently hydrogen atoms or 1-3C alkyl groups. The...

PURPOSE:To attempt to uniformize automatically the film thickness of a plastic coated metal tube, by adjusting a resin path width, which is detected by means of a film thickness measuring instrument and a sensor mechanism, to a corrected value by means of an adjusting ring mechanism. CONSTITUTION:Data obtained by a film thickness measuring apparatus 38 and data obtained by a sensor mechanism 37 an...