Title:
METHOD FOR MANUFACTURING VACUUM VALVE
Document Type and Number:
WIPO Patent Application WO/2023/281574
Kind Code:
A1
Abstract:
In order to obtain a low-cost vacuum valve, provided is a method for manufacturing a vacuum valve in which an intermediate assembly of the vacuum valve obtained by brazing a fixed side end plate (2) and a movable side end plate (3) to join with both the ends of a cylindrical insulation container (1) is disposed in a mold (12, 14), and an insulation resin material is molded on the outer periphery of the intermediate assembly to form an insulation resin layer (9), the method being characterized in that when molding an insulation resin material (13) on the outer periphery of the intermediate assembly, the area of the outer periphery portion of the fixed side end plate (2) is formed such that the load occurring in a brazed portion (10) between the insulation container (1) and the fixed side end plate (2) is smaller than the allowable load for the brazed portion (10).
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Inventors:
NAKATA TOMOHIRO (JP)
TOTTORI HIROSHI (JP)
TOTTORI HIROSHI (JP)
Application Number:
PCT/JP2021/025310
Publication Date:
January 12, 2023
Filing Date:
July 05, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F16K24/04; H01H33/662
Foreign References:
| JP2001160342A | 2001-06-12 | |||
| JP2020198278A | 2020-12-10 | |||
| JP2012169145A | 2012-09-06 | |||
| JP2003187078A | 2003-07-04 | |||
| JP2001167673A | 2001-06-22 |
Attorney, Agent or Firm:
PALMO PATENT FIRM, P.C. (JP)
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