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Title:
CONNECTION STRUCTURE, CONNECTION METHOD, AND PRODUCTION METHOD FOR RESIN MEMBER USED IN CONNECTION STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2014/045866
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a connection structure, a connection method, and a production method for a resin member used in the connection structure, with which a reduction in connection strength can be inhibited while improving airtightness between pipes. The present invention is provided with: a piston (61) having a cylindrical hollow member (611); and a second member which is cylindrical, and which is press fitted onto the hollow member (611), the diameter of the outer periphery of the second member being greater than that of the hollow member (611). In the piston (61), recessed portions (612) inwardly cut out from the outer periphery are formed in a portion onto which a connection pipe (66) is press fitted.

Inventors:
TOMIYAMA, Takuji (43-2 Hatagaya 2-chome, Shibuya-k, Tokyo 72, 〒1510072, JP)
Application Number:
JP2013/073674
Publication Date:
March 27, 2014
Filing Date:
September 03, 2013
Export Citation:
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Assignee:
OLYMPUS CORPORATION (43-2, Hatagaya 2-chome Shibuya-k, Tokyo 72, 〒1510072, JP)
International Classes:
F16L25/00; F16L47/00
Foreign References:
JP2010533518A2010-10-28
JP2000146044A2000-05-26
Attorney, Agent or Firm:
SAKAI, Hiroaki (Sakai International Patent Office, Kasumigaseki Building 2-5, Kasumigaseki 3-chome, Chiyoda-k, Tokyo 20, 〒1006020, JP)
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