AIR SUPPLY VALVE AND OUTFLOW DIFFUSION PREVENTIVE FENCE USING THE VALVE

摘要

PROBLEM TO BE SOLVED: To provide an air supply valve having excellent durability and reliability and an outflow diffusion preventive fence using the air supply valve.;SOLUTION: In the air supply valve 1 and the outflow diffusion preventive fence using the valve 1, the air supply valve 1 is installed to a flexible fence body 2 with bag bodies, in which a gas can be sealed, and composed of a mounting frame 3 with a collar with the fence body 2, a female metal fitting 5 fitted to the mounting frame 3 through a packing 4, a pressing member 7 incorporated into the female metal fitting 5 and fitted into the outer circumferential groove 10 of a male metal fitting 5, and a non-return valve 6 mounted on the female metal fitting 5, the non-return valve 6 is made of a circular elastic body, and fixed to the female metal fitting 5 at the center of a circle, and only the wall thickness of a diametral section is thinned.;COPYRIGHT: (C)2000,JPO