Title:
PIPE JOINT STRUCTURE
Document Type and Number:
Japanese Patent JP2605195
Kind Code:
B2
Abstract:
PURPOSE: To provide an easily manufacturable pipe joint structure which is able to connect each pipe easily and accurately.
CONSTITUTION: This is a pipe joint structure which inserts a pipe into a joint body 1 installed with packing 3 and a movable body 4 pressing this packing 3 in an opening part la for their connection. A ringlike pressing body 7, pressing a first ring body 5 with an inner wall 7a in order to attach this first ring body 5, having resilient force inward in ring form or partially notched ring form, to a groove part 6 formed on an outer circumferential surface of the pipe, is installed in space between the outer circumferential surface of the pipe and the inner circumferential surface of the joint body 1. In this constitution, this pipe joint structure is featured that a ringlike second ring body 14, having resilient force outward and at least a partial notch, is fitted in a ring recess 12 formed at the rear side of the inner circumferential surface of the joint body 1 to check any possible separation of the pressing body 7.
Inventors:
Takamasa Hattori
Application Number:
JP31873191A
Publication Date:
April 30, 1997
Filing Date:
September 25, 1991
Export Citation:
Assignee:
Takamasa Hattori
International Classes:
F16L19/08; F16L21/08; (IPC1-7): F16L21/08; F16L19/08
Attorney, Agent or Firm:
Fujimoto Noboru