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Patent Searching and Data


Title:
PIPE AND ITS MANUFACTURE
Document Type and Number:
Japanese Patent JPH10205121
Kind Code:
A
Abstract:

To easily manufacture a pipe and reduce the number of parts for reducing manufacturing cost.

A pair of slits are formed in part of the peripheral wall 20 of a pipe 12 and a through-hole 18 is made in the peripheral wall 20 on the opposite side of the slits. An extruded body 23 is arranged in the pipe 12 corresponding to the through-hole 18 and an extruding tool 21 is inserted in the through-hole 18. The extruded body 23 is extruded by the extruding tool 21 and an area between the slits is extruded from the inside of the pipe 12 to the outward direction to form a spring part 19 to be swollen.


Inventors:
AOKI SHIGEHARU
Application Number:
JP1062797A
Publication Date:
August 04, 1998
Filing Date:
January 23, 1997
Export Citation:
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Assignee:
HASHIMA KK
International Classes:
E04G5/06; B21D31/00; (IPC1-7): E04G5/06; B21D31/00
Attorney, Agent or Firm:
Hironobu Onda