| 摘要 |
<P>PROBLEM TO BE SOLVED: To overcome the problem in which a valve flange for sealing the opening of a container and a valve head having an orifice are connected using a flexible connector sleeve, which causes a bend in the connecting sleeve with the result that the valve head is shifted inward or outward and fails to quickly open or close. <P>SOLUTION: In the discharge valve device, the opening 3 of the container is provided with a valve fixing groove 6 having a large groove 5 and a gripping groove 4, a fixable flange 21 which is fitted in the large groove of the valve fixing groove and a grip ring 22 which is gripped in the gripping groove are formed, a valve body 20 is disposed from the grip ring such that a connecting cylinder 23 can adhere to the internal wall 7 of the opening, the orifice 26 of the valve body opens to allow the flow of a fluid with the connecting cylinder 23 adhering to the internal wall 7 of the opening and then it closes. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
