JPS60169371U

JPS60169371U - Bent pipe for drainage

Info

Publication number: JPS60169371U
Application number: JP5811684U
Authority: JP
Inventors: 松延　良三; 米沢　猛; 和彦日下
Original assignee: 株式会社　栗本鐵工所
Priority date: 1984-04-19
Filing date: 1984-04-19
Publication date: 1985-11-09

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の実施例を示す断面正面図、第２図は第
１図のＡ−Ａ線における断面側面図、第３図は流水の状
態を示す断面正面図、第４図は同じく部分断面側面図、
第５図は通常の立管、曲管、・横管内における流水の状
態を示す断面正面−図、第６図は従来技術の突起物を設
けた排水曲管の断面正面図。　　　　　　　・１・・・立管、１ａ・・・立管の内壁、２・・・円筒状
水膜、３・・・円柱状空気層３．３ａ・・・水膜切損部
、４−・・・曲管、４ａ・・・曲管の型部分、４ｂ・・
・曲管の白点、４ｃ・・・曲管の曲がり部分、４ｄ・・
・曲管の横部分、５・・・横管、６・・・横方向の流水
、７・・・横管内の空気層、訃・・第一の１ｂ１字状突
起、９・・・第二め「ハ１字状突起、１０・・・従来技
術の三角錐状突起。　　　　　　　− 第５図１’Ｊ１１．ｌ　　　　’Ｉ＋ＩしＬ第６図　、　　　　−Fig. 1 is a cross-sectional front view showing an embodiment of the present invention, Fig. 2 is a cross-sectional side view taken along line A-A in Fig. 1, Fig. 3 is a cross-sectional front view showing the state of flowing water, and Fig. 4 is the same. partially sectional side view,
FIG. 5 is a cross-sectional front view showing the state of flowing water in a normal vertical pipe, curved pipe, and horizontal pipe, and FIG. 6 is a cross-sectional front view of a drainage curved pipe provided with projections according to the prior art.・ 1... Standpipe, 1a... Inner wall of standpipe, 2... Cylindrical water film, 3... Cylindrical air layer 3.3a... Water film cut portion, 4-...・Bent pipe, 4a...Mold part of the curved pipe, 4b...
・White spot on curved pipe, 4c...Bending part of curved pipe, 4d...
・Horizontal part of the curved pipe, 5... Horizontal pipe, 6... Lateral flowing water, 7... Air layer in the horizontal pipe, butt... First 1b1-shaped protrusion, 9... Second - Fig. 5 1'J11.l 'I + I L Fig. 6, -

Claims

[Scope of utility model registration request]

In a drainage curved pipe that is attached to a device to connect a vertical drainage pipe and a side drainage pipe, on the inner circumferential surface of the main body, in the axial direction, near and above the curved pipe, and in the circumferential direction, the curved pipe is installed. A curved drainage pipe characterized by having a plurality of cylindrical protrusions arranged in the axial direction on the inner diameter side in the bending direction.