DEVICE FOR LOWERING NOISE LEVEL OF MANUFACTURING MACHINE SUBJECTED TO EFFECT OF FLOWING PROCESS AIR IN TOBACCO PROCESSING INDUSTRY

摘要

PROBLEM TO BE SOLVED: To provide a device for lowering the noise level within the working regions of a manufacturing line formed by manufacturing machines disposed by particularly having at least angles with each other of the manufacturing machines to be subjected to the flowing process air in tobacco processing industry. SOLUTION: The device is so constituted that the greater part of the process air supplied to the manufacturing machines 1 and 30 is guided through a conduit portion 27 where a sound attenuation action is effected.