JPH031395U

JPH031395U -

Info

Publication number: JPH031395U
Application number: JP6193289U
Authority: JP
Priority date: 1989-05-30
Filing date: 1989-05-30
Publication date: 1991-01-09

Description

[Brief explanation of drawings]

第１図は本考案の実施例を示す正断面図、第２
図は同上分離状態の斜視図、第３図は従来の継手
装置を示す分離状態の斜視図である。図中、１は継手本体、３は雄ネジ口、３ａは肩
部、３ｂはテーパー面部、４はインナーコア、４
ａは鍔部、５は締め付けリング、５ｂはテーパー
面部、６は袋ナツト、ｐはプラスチツク管である
。 Figure 1 is a front sectional view showing an embodiment of the present invention, Figure 2 is a front sectional view showing an embodiment of the present invention.
This figure is a perspective view of the same as above in a separated state, and FIG. 3 is a perspective view of a conventional coupling device in a separated state. In the figure, 1 is the joint body, 3 is the male threaded port, 3a is the shoulder part, 3b is the tapered surface part, 4 is the inner core, 4
a is a flange, 5 is a tightening ring, 5b is a tapered surface, 6 is a cap nut, and p is a plastic tube.

Claims

[Scope of utility model registration request]

A shoulder is provided at the back of the male threaded port provided on the joint body, and a flange is provided at the tip end of the inner core that is inserted into this male threaded port, and the plastic tube fitted with the inner core is inserted into the male threaded port. In a joint device for a plastic pipe in which a tightening ring fitted onto the plastic pipe is tightened into the male threaded port by a cap nut screwed into the male threaded port, the inner circumferential surface of the male threaded port is At least the outer circumferential surface of the inner end side of the tightening ring that joins the side and the inner side, so that the inner and outer circumferential surface portions are in surface contact with each other,
A plastic pipe joint device characterized in that the joint device is formed with tapered surfaces having the same angle.