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Title:
CAULKING STRUCTURE
Document Type and Number:
Japanese Patent JP2016091888
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a caulking structure having a high pressure resistant strength by solving the problems that, in the caulking structure suitable for a pressure switch for high pressure or the like, it is necessary to enlarge a manufacturing facility for performing thick caulking or a caulking portion may be creased and in the case of the pressure switch, it is difficult to adjust a tab for caulking if the number of diaphragms is changed.SOLUTION: A caulking structure comprises at least: a caulked member to which air-tightness is required in a peripheral environment; and a caulking member that is configured to hold the caulked member by caulking. In the caulking structure, the caulking member includes an annular sidewall which surrounds the caulked member and holds the caulked member after caulking, and further includes an annular spacer, including a through-hole insides, which is shaped to be held between the caulked member and the annular sidewall after caulking.SELECTED DRAWING: Figure 3

Inventors:
MATSUYAMA KENICHI
MIYAGAWA OSAMU
Application Number:
JP2014227036A
Publication Date:
May 23, 2016
Filing Date:
November 07, 2014
Export Citation:
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Assignee:
SAGINOMIYA SEISAKUSHO INC
International Classes:
H01H35/34; F16B4/00; F16J3/02
Domestic Patent References:
JP2007278563A2007-10-25
JPH02135635A1990-05-24
JP2005308397A2005-11-04
JP2002279875A2002-09-27
JP2005008091A2005-01-13
Attorney, Agent or Firm:
特許業務法人 谷・阿部特許事務所