Patent ID: 8230883
Filing Date: 2012-07-31
Classification: F16L,H01M,Y02E,Y02T,Y10T

Abstract:
1. A gas piping system for a fuel cell comprising: a gas pipe formed of stainless steel containing no nickel component; and a fixing tool for fixing the gas pipe to a fixing portion at normal room temperature, wherein the gas pipe includes a connection end which is connected to a component of a fuel cell system and configured to have an offset between a connecting location of the connection end and a location of the fixing tool, and wherein the fixing tool comprises a bead, said bead comprising a raised portion on an outer surface of said fixing tool, and the fixing tool includes said bead and a notched portion provided on a longitudinal end of the bead, the bead and the notched portion are configured to be ruptured by an external force when the external force is applied to the connection end of the gas pipe.