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Title:
MANUFACTURING METHOD OF CONTACT MATERIAL FOR VACUUM VALVE
Document Type and Number:
Japanese Patent JP2019192463
Kind Code:
A
Abstract:
To provide a manufacturing method of a contact material for a vacuum valve, using homogeneity and excellent voltage resistance even when manufacturing it with a melting method.SOLUTION: A manufacturing method of a contact material for a vacuum valve, includes the steps of: preparing an original material for the contact material made of a conductive material and an arc-proof material; melting the original material for the contact material in a melting region of a melting device over a vertical horizontal direction to a vertical direction while moving at least one of the original material for the contact material and the melting device that melts the original material for the contact material to the vertical direction; and moving the original material for the contact material melted to the outside of the melting region of the melting device to cool while moving at least one of the original material of the contact material and the melting device to the vertical direction.SELECTED DRAWING: Figure 1

Inventors:
KUSANO TAKASHI
SOMEI HIROMICHI
SEKI KEISEI
YAMAMOTO ATSUSHI
SASAKI HARUKA
YOSHIDA TAKESHI
SEKIMORI HIROKI
KONDO JUNICHI
Application Number:
JP2018083192A
Publication Date:
October 31, 2019
Filing Date:
April 24, 2018
Export Citation:
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Assignee:
TOSHIBA CORP
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP
International Classes:
H01H33/662; H01H11/04; H01H33/664
Domestic Patent References:
JP2006024476A2006-01-26
JPH01258330A1989-10-16
JPS62229620A1987-10-08
Attorney, Agent or Firm:
Patent Business Corporation Sakura International Patent Office