JPS5962928U

JPS5962928U - screw tap

Info

Publication number: JPS5962928U
Application number: JP15913782U
Authority: JP
Inventors: 正雄木村
Original assignee: 三和精工株式会社
Priority date: 1982-10-20
Filing date: 1982-10-20
Publication date: 1984-04-25

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図はこの考案の実施例に係るねじタップの側面図、
第２図Ａ−Ｄはそれぞれ上記ねじタップの刃先形状が異
なる各実施例の要部断面図、第３図Ａ、　Ｂは第２図Ａ
で示す刃先形状のねじタップにて形成したナツトのめね
じとボルトのめねじとの螺合関係を示す部分断面図、第
４図は標準的なめねじの部分断面図、第５図Ａ、　Ｂは
第４図のめねじとおねじとの螺合関係を示す部分断面図
である。１・・・ナツト・タップ本体、１ｂ・・・ねじ部、４・
・・刃先、５ｂ・・・ねじ切り部、６ａ・・・山頂。FIG. 1 is a side view of a screw tap according to an embodiment of this invention;
Figures 2A to 2D are cross-sectional views of main parts of the respective embodiments with different shapes of the cutting edges of the screw taps, and Figures 3A and B are sectional views of Figure 2A.
Figure 4 is a partial cross-sectional view of a standard female thread, and Figures 5A and B 5 is a partial sectional view showing the screwing relationship between the female thread and the male thread in FIG. 4. FIG. 1... Nut/tap body, 1b... Threaded part, 4...
...Blade tip, 5b...Threaded part, 6a...Top of the mountain.

Claims

[Scope of utility model registration request]

A screw tap in which the top of each cutting edge of the thread cutting part, which constitutes the main part of the thread part, is configured with a tapered surface inclined with respect to the direction of the main axis of the main body.