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Title:
VACUUM JOINT AND VACUUM UTILIZATION DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/229884
Kind Code:
A1
Abstract:
Provided is a vacuum joint which has a simple construction and with which vacuum pipes can be attached to and separated from each other in an extremely simple and speedy manner; also provided is a vacuum utilization device that uses this vacuum joint. This vacuum joint (10) comprises a first joint member (14) and a second joint member (16) which are formed in a tubular shape and attached respectively to opposing ends of a pair of vacuum pipes (12X) and (12Y). Substantially flat contact surfaces (14a) and (16a) which include a ferromagnetic body are provided on the respective distal-end surfaces of the first joint member (14) and second joint member (16) in the axial direction. In addition, a magnet (18) is attached to at least one of the contact surface (14a) of the first joint member (14) and the contact surface (16a) of the second joint member (16).

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Inventors:
ASHIDA Takeshi (8916-11, Takayama-cho, Ikoma-sh, Nara 01, 〒6300101, JP)
NOGUCHI Tadashi (8916-11, Takayama-cho, Ikoma-sh, Nara 01, 〒6300101, JP)
Application Number:
JP2017/021904
Publication Date:
December 20, 2018
Filing Date:
June 14, 2017
Export Citation:
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Assignee:
ASHIDA MFG CO., LTD. (8916-11, Takayama-cho Ikoma-sh, Nara 01, 〒6300101, JP)
International Classes:
F16L25/00; B29C70/44; F16L23/02; F16L37/28
Foreign References:
JPH01174688U1989-12-12
US3181895A1965-05-04
JP2003042368A2003-02-13
JPH0382507A1991-04-08
JPH072695U1995-01-13
US20130285365A12013-10-31
JP2008223052A2008-09-25
JP2016168684A2016-09-23
JPH04144717A1992-05-19
Attorney, Agent or Firm:
MORI Yoshiaki et al. (Room 911, Osaka-Ekimae Dai-4 Bldg. 11-4, Umeda 1-chome, Kita-ku, Osaka-sh, Osaka 01, 〒5300001, JP)
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