Following to the said partner device with the partner device which generates the smoke which includes

摘要

PROBLEM TO BE SOLVED: To provide a duct assembly capable of securing a cross section required for suction regardless of orbital conditions, extending a duct life, and withstanding high-temperature gases.;SOLUTION: The duct assembly comprises a mating device for generating smoke containing dust-containing gas and a dust collector that moves following the mating device, the mating device and the dust collector connected to each other. The duct assembly includes fixed ducts, one provided at the end of the hood of the mating device and the other at the gas inlet of the dust collector and each having an opening in its top; columns placed upright to extend from bottoms of the fixed ducts to upper sides of the openings; bottomed turning ducts loosely fitted into the openings of the fixed ducts and placed on the tips of the columns so as to be turnable; and connecting ducts connected to the rotating ducts.;COPYRIGHT: (C)2007,JPO&INPIT