Title:
PIPE SHUTTER
Document Type and Number:
Japanese Patent JPH06137045
Kind Code:
A
Abstract:
PURPOSE: To make it possible to not only assemble easily a pipe shutter in conformity with the height of the opening without being prefabricated in a shot but also change easily a damaged portion of a pipe shutter onsite simultaneously even if it is partially broken or damaged.
CONSTITUTION: In terms of a pipe shutter where upper and lower part pipes 2 having a specified length are interconnected with each other in parallel with a specified span, joint fittings 3 designed to interconnect the pipes 2 are mounted for each pipe 2. Interlocking parts 7, which are removably engaged with the joint fittings 3 of other pipes 2, which are continuously connected up and down, are formed on both sides of the upper and lower joint fitting 3.
Inventors:
YOSHIDA KAZUAKI
Application Number:
JP29041992A
Publication Date:
May 17, 1994
Filing Date:
October 28, 1992
Export Citation:
Assignee:
SANWA SHUTTER CORP
International Classes:
E06B9/18; (IPC1-7): E06B9/18
Attorney, Agent or Firm:
Katsufumi Sawano (1 outside)
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