JPS58127282U

JPS58127282U - pipe fittings

Info

Publication number: JPS58127282U
Application number: JP2502982U
Authority: JP
Inventors: 大畑　博義; 智史井上
Original assignee: 東尾継手株式会社
Priority date: 1982-02-23
Filing date: 1982-02-23
Publication date: 1983-08-29

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 drawings]

第１図は従来の雄ねじ部を示す部分断面図、第２図は従
来の管継手の部分斜視図、第３図は本考案の一実施例を
示す使用状態の断面図、第４図はコーティング処理する
状態を示す断面図、第５図は他の実施例を示す断面図、
第６図は誉継手がエルボである実施例を示す一部切欠断
面図である。３・・・雄ねじ部、４・・・孔開口内周端縁、５・・・
面取り部、６・・・孔、７・・・コーティング層、９・
・・内周面、Ｔ・・・肉厚寸法。Fig. 1 is a partial sectional view showing a conventional male threaded part, Fig. 2 is a partial perspective view of a conventional pipe joint, Fig. 3 is a sectional view showing an embodiment of the present invention in use, and Fig. 4 is a coating. A sectional view showing a processing state; FIG. 5 is a sectional view showing another embodiment;
FIG. 6 is a partially cutaway sectional view showing an embodiment in which the honor joint is an elbow. 3...Male thread part, 4...Inner peripheral edge of hole opening, 5...
Chamfered portion, 6... Hole, 7... Coating layer, 9.
...Inner peripheral surface, T...thickness dimension.

Claims

[Scope of utility model registration request]

In a pipe joint having a threaded male threaded portion 3, a straight or rounded chamfered portion sufficiently large relative to the wall thickness T is provided on the inner circumferential edge 4 of the hole opening to which the tip of the male threaded portion 3 corresponds. 5, and a coach-in layer 7 is coated from the inner circumferential surface 9 of the hole 6 to the chamfered portion 5.