Title:
PRESSURE TANK, GAS INSULATED SWITCHGEAR USING SAME, AND PRESSURE TANK MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2016/163051
Kind Code:
A1
Abstract:
The purpose of the present invention is to obtain a pressure tank having a high manufacturing efficiency and not preventing an opening-closing portion such as, for example, a vacuum valve from being housed therein.
The pressure tank of the present invention is provided with: a tank main body (5) on which at least one penetrating slit-shaped mortise (15) is formed and inside which a space is formed; a reinforcing material (10) having a tenon portion (17) formed oriented in one direction at an end and an electric field relaxation portion on the opposite side to the tenon portion and attached to the inner wall surface of the tank main body (5) by inserting the tenon portion (17) into the mortise (15); and a welding portion (18) in which the end of the tenon portion (17) is melted from the outside of the tank main body (5) and the mortise (15) and the tenon portion (17) are sealed with no space therebetween and fixed.
Inventors:
YAMADA SHINTARO (JP)
KAMEI YUKINOBU (JP)
KAMEI YUKINOBU (JP)
Application Number:
PCT/JP2015/083757
Publication Date:
October 13, 2016
Filing Date:
December 01, 2015
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02B13/025; H01H33/56; H02B3/00; H02B13/035; H02B13/045
Foreign References:
| JP2002260501A | 2002-09-13 | |||
| JP2009535600A | 2009-10-01 | |||
| JPS62224008A | 1987-10-02 | |||
| JPS6434805U | 1989-03-03 | |||
| JPS55128418U | 1980-09-11 |
Other References:
See also references of EP 3282528A4
Attorney, Agent or Firm:
OIWA Masuo et al. (JP)
Masuo Oiwa (JP)
Masuo Oiwa (JP)
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