JP2001104508A5 - - Google Patents

Claims (3)

  In the piping of fire extinguishing equipment using a resin pipe, a circumferential first groove that is continuous or separated over the entire outer circumference of the resin pipe is provided, and the inner surface of the joint to which the end of the resin pipe is connected, A second groove is provided in which the first groove of the resin pipe is engaged when the resin pipe is connected, and the engagement joining of the first groove of the resin pipe and the second groove of the joint is performed. Piping for fire extinguishing equipment, characterized in that an adhesive is present in the part.   In a pipe of a fire extinguishing facility that uses a resin pipe, a first spiral groove is provided over the entire outer circumference of the resin pipe, and the first spiral of the resin pipe is formed on the inner surface of a joint to which an end of the resin pipe is connected. A second spiral groove for screwing the groove is provided, and an adhesive is present at the joint between the first spiral groove of the resin tube and the second spiral groove of the joint. Piping for fire extinguishing equipment. In the piping of fire extinguishing equipment using a resin pipe, a plurality of first annular grooves are provided over the entire outer circumference of the resin pipe, and a plurality of first pipes of the resin pipe are formed on the inner surface of a joint to which an end of the resin pipe is connected. A plurality of second annular grooves to be engaged with the annular groove, and an adhesive is present at the joint between the first annular groove of the resin pipe and the second annular groove of the joint. Piping.