JPH0281989U

JPH0281989U -

Info

Publication number: JPH0281989U
Application number: JP16139188U
Authority: JP
Priority date: 1988-12-12
Filing date: 1988-12-12
Publication date: 1990-06-25

Description

[Brief explanation of drawings]

第１図ａ，ｂは各々本考案の一実施例の配管構
造に使用されるパイプを示す正面図及び側面図、
第２図ａ，ｂは各々上記構造に使用されるフラン
ジ継手を示す平面図及び正面図、第３図ａ，ｂは
各々上記構造に使用されるエルボ継手を示す平面
図及びその開口部端面を示す図、第４図ａ，ｂは
各々上記構造に使用されるチーズ継手を示す平面
図及び側面図、第５図ａ，ｂは各々上記構造に使
用されるソケツト継手を示す側面図及び正面図、
第６図は配管例を示す図、第７図、第８図及び第
９図は各々従来の配管構造を説明するための図で
ある。２０……パイプ、２０ａ……目印線、２１，２
２，２３，２４……継手、２１ｂ，２２ａ，２３
ａ，２４ａ……開口部、２１ｃ，２２ｂ，２３ｂ
，２４ｂ……目印。 Figures 1a and 1b are a front view and a side view, respectively, showing a pipe used in a piping structure according to an embodiment of the present invention;
Figures 2a and b are a plan view and a front view, respectively, showing a flange joint used in the above structure, and Figures 3a, b are a plan view and a front view, respectively, showing an elbow joint used in the above structure, and the end face of its opening. Figures 4a and 4b are a plan view and a side view, respectively, showing a cheese joint used in the above structure, and Figures 5a, b are a side view and a front view, respectively, showing a socket joint used in the above structure. ,
FIG. 6 is a diagram showing an example of piping, and FIGS. 7, 8, and 9 are diagrams for explaining conventional piping structures. 20...Pipe, 20a...Mark line, 21,2
2, 23, 24...Joint, 21b, 22a, 23
a, 24a...opening, 21c, 22b, 23b
, 24b... Mark.

Claims

[Claims for Utility Model Registration] A pipe having a marking line of a predetermined width extending longitudinally at at least one position every 90° in the circumferential direction on its outer circumferential surface; and a joint in which marks of a predetermined width are formed at each position of 90° or 45°, and the pipe is inserted into the joint opening by aligning the mark line with the mark corresponding to the piping angle on the joint side. A piping structure characterized by being inserted and joined.