Title:
【発明の名称】伸縮管継手
Document Type and Number:
Japanese Patent JP2669723
Kind Code:
B2
Abstract:
An expansion pipe joint includes an inner sleeve having an annular projection formed on an outer surface thereof, and an outer sleeve surrounding the inner sleeve and having an annular groove formed on an inner surface thereof. An elastic ring is mounted in the annular groove for engaging the annular groove and the annular projection. The inner and outer sleeves are axially slidable relative to and inseparable from each other. The outer sleeve defines an end portion for allowing the annular projection to be inserted deeper inside than the ring.
Inventors:
Kiyoshi Hamamoto
Application Number:
JP1718791A
Publication Date:
October 29, 1997
Filing Date:
February 08, 1991
Export Citation:
Assignee:
Yano Giken Co., Ltd.
International Classes:
F16L27/04; F16L27/053; F16L27/10; (IPC1-7): F16L27/04
Attorney, Agent or Firm:
Kitamura Osamu