PURPOSE: To provide a joint device which can connect a pipeline to a joint body easily and rapidly by anyone with light force, without requiring skill even in a small space regarding a pipeline joint device constituted in such a way as to strike a key member to make it bite into the surface of the pipeline.
CONSTITUTION: A pipeline joint device is constituted of a joint body 4 with a through hole 7 formed to tangentially face a part of the surface of a spigot pipeline 2, and a key member 5 driven into the through hole 7. The key member 5 is provided with a taper part 9 coming in contact with the surface of a pipeline 2 at the beginning of driving so as to bite into the surface of the pipeline 2 in association with driving, and a locking part 8 locked to a bite face part.
OOI MOTONORI
SAKAGUCHI YASUHARU
WATANABE KEITARO
