| 摘要 |
PROBLEM TO BE SOLVED: To provide a sales method for a branch joint kit, easy to assemble and small with no need for connection work for connection pipes, comprising previously seizing the number of the connection pipes by the inner diameters, as actually required by purchase applicants, and packaging the plurality of connection pipes different in inner diameter together with the branch joint body, as the kit to be delivered to the purchase applicants without producing extra connection pipes after piping. SOLUTION: The sales method for the branch joint kit comprises publishing on the Internet Web information for the inner diameters of the connection pipes, each of which has one end connected to a communication port provided in the hollow closed branch joint body and the other end fitted to one of a plurality of pipes, classified by inner-diameter values, combining the connection pipes different in inner diameter in accordance with the number of the connection pipes by the inner diameters, after applied through an internet by purchase applicants, and packaging them together with the branch joint body, as the kit which is delivered to the purchase applicants. |
