Patent ID: 8156818
Filing Date: 2012-04-17
Classification: G01L

Abstract:
1. A bourdon tube pressure gauge comprising: a joint which is made of resin and which is attached to a pressure container; and a bourdon tube which is made of metal and provided with a base end part that is fixed to the joint; wherein the joint is formed with a fixing hole to which the base end part of the bourdon tube is inserted and adhesively fixed, a side face of the fixing hole is formed with a recessed part which is recessed in a flattened direction of the base end part of the bourdon tube that is inserted into the fixing hole, the recessed part is formed toward a depth side of the fixing hole, and at least a part of the recessed part which is formed on an inner side of the fixing hole is formed wider in the flattened direction than an opening part of the fixing hole which is an insertion port of the bourdon tube.