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Title:
FLOW CHANNEL ASSEMBLY AND VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/087879
Kind Code:
A1
Abstract:
Provided is a flow channel assembly having a functional component such as an orifice or a filter incorporated therein, such that a portion between the functional component and a flow channel component defining a flow channel is assuredly sealed for a long time period. The present invention has, on the outer side of facing surfaces (51f, 52f) of flow channel members (51, 52), an annular elastic member (54) which is interposed between the flow channel members (51, 52). The flow channel member (52) has a caulking portion (52e_c). The caulking portion (52e_c) integrates the flow channel members (51, 52) and a plate-like member together, applies a force to the flow channel member (52) such that one of the facing surfaces (51f, 52f) moves toward the other facing surface, and seals portions between an orifice plate (53) which is the plate-like member and the facing surfaces (51f, 52f). The elastic member (54) is crushed between the flow channel members (51, 52) so as to seal the portion between the flow channel members (51, 52).

Inventors:
WATANABE Kazunari (3-2 Itachibori 2-chome, Nishi-k, Osaka-city Osaka 12, 〒5500012, JP)
SHIGYOU Kohei (3-2 Itachibori 2-chome, Nishi-k, Osaka-city Osaka 12, 〒5500012, JP)
AIKAWA Kenji (3-2 Itachibori 2-chome, Nishi-k, Osaka-city Osaka 12, 〒5500012, JP)
NAKATA Tomohiro (3-2 Itachibori 2-chome, Nishi-k, Osaka-city Osaka 12, 〒5500012, JP)
MATSUDA Takahiro (3-2 Itachibori 2-chome, Nishi-k, Osaka-city Osaka 12, 〒5500012, JP)
SHINOHARA Tsutomu (3-2 Itachibori 2-chome, Nishi-k, Osaka-city Osaka 12, 〒5500012, JP)
Application Number:
JP2018/039424
Publication Date:
May 09, 2019
Filing Date:
October 24, 2018
Export Citation:
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Assignee:
FUJIKIN INCORPORATED (3-2 Itachibori 2-chome, Nishi-ku Osaka-city Osaka, 12, 〒5500012, JP)
International Classes:
F16L55/00; F16K1/42; F16K7/14; F16K27/02; F16K51/00
Domestic Patent References:
WO2018021277A12018-02-01
Foreign References:
JP2003090435A2003-03-28
JPH08244578A1996-09-24
Attorney, Agent or Firm:
FUJIMOTO Kenji (6-1-4-905, Takasu Urayasu-city Chiba, 23, 〒2790023, JP)
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