Title:
PIPE JOINT
Document Type and Number:
Japanese Patent JPS5857584
Kind Code:
A
Abstract:
A joint is formed at adjacent ends of tubes (5, 7) by inserting the ends of the tubes into opposite ends of sleeve (1) until the tube ends engage centrally positioned inwardly extending protrusion (3). The sleeve (1) is crimped inwardly into frictional engagement with the tubes (5, 7), only at the middle portion and at the end portions of the sleeve to partially deform the sleeve and the tubes at the adjacent ends of the tubes and at positions of the tubes displaced from the tube ends.
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Inventors:
NAKAMURA MATSUICHI
Application Number:
JP15485081A
Publication Date:
April 05, 1983
Filing Date:
October 01, 1981
Export Citation:
Assignee:
DAIWA STEEL TUBE IND
International Classes:
B21D39/04; F16L13/14; C21C5/46; (IPC1-7): B21D39/04; C21C5/46; F16L13/14
Attorney, Agent or Firm:
Yasuo Miyoshi