| 摘要 |
Bourdon tube pressure gauge able to make a welding margin of a fastening end of a Bourdon tube and an insertion hole of a tube support broader, and able to ruggedly seal and fix the fastening end, that is, a Bourdon tube pressure gauge having a tube support provided with a fastening insertion hole in which a fastening end of a helical Bourdon tube is inserted, wherein the tube support has a weld metal injection hole reaching the fastening insertion hole in a direction perpendicular to a depth direction of the fastening insertion hole and at a position at the middle of the depth and a weld metal part formed by injecting the weld metal into the weld metal injection hole in a state where the fastening end is inserted in the fastening insertion hole.
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