JPH0178792U

JPH0178792U -

Info

Publication number: JPH0178792U
Application number: JP1987173836U
Authority: JP
Priority date: 1987-11-16
Filing date: 1987-11-16
Publication date: 1989-05-26

Description

[Brief explanation of the drawing]

第１図Ａは本考案の第一実施例のエルボの正面
図、第１図Ｂは第１図Ａのエルボの部分破断側面
図、第２図は第１図Ａのエルボの組立前における
一対の曲溝板の正面図、第３図Ａは本考案の第二
実施例のエルボの正面図、第３図Ｂは第３図Ａの
エルボの側面図である。１，２；１′，２′……曲溝板、３，４……屈
曲縁。 Fig. 1A is a front view of the elbow of the first embodiment of the present invention, Fig. 1B is a partially cutaway side view of the elbow of Fig. 1A, and Fig. 2 is a pair of the elbows of Fig. 1A before assembly. FIG. 3A is a front view of the elbow of the second embodiment of the present invention, and FIG. 3B is a side view of the elbow of FIG. 3A. 1, 2; 1', 2'... curved groove plate, 3, 4... bent edge.

Claims

[Claims for Utility Model Registration] (1) Hook-shaped bent edges that elastically engage with the side edges of a pair of curved groove plates that are bisected on a plane that includes the center axis of the curved pipe of the elbow. An elbow made of a metal plate, in which the pair of curved groove plates are hooked to each other at their respective bent edges, and then the bent edges are crushed to be firmly joined. (2) The metal plate elbow according to claim (1) of claim 1, wherein the surface of the elbow that includes the center axis of the curved pipe is set at a position that divides the elbow symmetrically. (3) The surface of the elbow that includes the central axis of the curved pipe is set at a position that divides the elbow into inner and outer members with respect to the center axis of the curved pipe. Elbow made of metal plate as described in item 1).