Patent Number: 6,305,426

Title: Expansion tube joint and assembling method thereof

Abstract: An expansion tube joint of the present invention comprises a firstcylindrical body, a second cylindrical body inserted along an axis of thefirst cylindrical body, a seal member mounted between the first and secondcylindrical bodies closer to an insertion port of the first cylindricalbody, a lock mechanism provided at a position deeper than the seal memberfor restricting a relative movement range along the axis of the first andsecond cylindrical bodies, and a coming-out preventing member forpreventing the seal member from coming out from the insertion port of thefirst cylindrical body, wherein after a member constituting the lockmechanism is mounted, the seal member can be mounted.

Inventors: Sato; Taichi (Nagaokakyo, JP), Fujita; Yasushi (Hyogo-ken, JP)

Assignee:

International Classification:

Expiration Date: 10/23/2013