JPS6227291U

JPS6227291U -

Info

Publication number: JPS6227291U
Application number: JP11874285U
Authority: JP
Priority date: 1985-08-01
Filing date: 1985-08-01
Publication date: 1987-02-19

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す管端閉塞具の
部分断面正面図、第２図は従来の管端閉塞具の縦
断面図である。Ａ……管継手、Ｂ……プラグ、Ｃ……被覆管、
１……金属継手、１１……雌ねじ、１２……空隙
、１３……逃げ、２……合成樹脂層、２１……筒
状部、３……プラグ本体、３１……筒体、３１１
……雄ねじ、４……合成樹脂層、５……金属管、
６……合成樹脂層。 FIG. 1 is a partially sectional front view of a tube end obturator according to an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view of a conventional tube end obturator. A...Pipe fitting, B...Plug, C...Coating tube,
DESCRIPTION OF SYMBOLS 1... Metal joint, 11... Female thread, 12... Gap, 13... Relief, 2... Synthetic resin layer, 21... Cylindrical part, 3... Plug body, 31... Cylindrical body, 311
... Male thread, 4 ... Synthetic resin layer, 5 ... Metal tube,
6...Synthetic resin layer.

Claims

[Claims for Utility Model Registration] 1. The inner peripheral surface of a metal joint 1 having a female thread 11 at the end is covered with a synthetic resin layer 2 except for the female thread 11, and a cylindrical part 21 is extended from the synthetic resin layer 2. A pipe joint A is provided with a gap 12 of a predetermined width between the cylindrical portion 21 and the female thread 11, and a cylindrical body 31 is provided protruding from the plug body 3, and a male thread 311 is provided on the cylindrical body 31. The gap 12 of the pipe fitting A is
A tube end characterized in that the cylindrical body 31 of the plug B is inserted therein, the female thread 11 and the male thread 311 are screwed together, and the inner circumferential surface of the cylindrical body 31 is brought into contact with the outer circumferential surface of the cylindrical portion 21. Obturator. 2. The tube end obturator according to claim 1, wherein the plug B is made of plastic such as ABS resin. 3. The tube end obturator according to claim 1, wherein the plug B is made of a metal member, and the inner peripheral surface of the cylindrical body 31 is covered with a synthetic resin layer 4.