JPH0319616U

JPH0319616U -

Info

Publication number: JPH0319616U
Application number: JP7768689U
Authority: JP
Priority date: 1989-07-03
Filing date: 1989-07-03
Publication date: 1991-02-26

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の実施例の正面図、第２図は
第１図−線による断面図、第３図は他の実施
例の要部の半部切断面図、第４図、第５図はさら
に別の実施例の正面図、第６図はさらに他の実施
例の第２図対応図である。２……柄部、３……刃部、４……セレーシヨン
溝、５……セレーシヨン刃、６……硬質砥粒、８
……凹部。 Fig. 1 is a front view of an embodiment of this invention, Fig. 2 is a sectional view taken along the line of Fig. 1, Fig. 3 is a half sectional view of the main part of another embodiment, Figs. The figure is a front view of yet another embodiment, and FIG. 6 is a view corresponding to FIG. 2 of still another embodiment. 2... Handle portion, 3... Blade portion, 4... Serration groove, 5... Serration blade, 6... Hard abrasive grain, 8
...Concavity.

Claims

【実用新案登録請求の範囲】 (1) 柄部と、柄部と一体に設けられた刃部とか
らなり、刃部の外周面に多数の溝をもつてセレー
シヨン刃が形成され、該セレーシヨン刃に硬質砥
粒が付着されているエンドミル。 (2) 前記セレーシヨン刃はエンドミル本体の軸
心に平行な直刃で形成されている請求項１記載の
エンドミル。 (3) 前記セレーシヨン刃はねじれ刃で形成され
ている請求項１記載のエンドミル。 (4) 前記刃部の端面中央に凹部が穿設され、該
凹部に通ずる多数の鋸刃状切刃が設けられている
請求項１，２又は３記載のエンドミル。[Claims for Utility Model Registration] (1) A serration blade consisting of a handle and a blade provided integrally with the handle, with a number of grooves formed on the outer circumferential surface of the blade, the serration blade An end mill with hard abrasive grains attached to it. (2) The end mill according to claim 1, wherein the serration blade is formed as a straight blade parallel to the axis of the end mill body. (3) The end mill according to claim 1, wherein the serration blade is formed of a twisted blade. (4) The end mill according to claim 1, 2 or 3, wherein a recess is formed in the center of the end face of the blade, and a number of saw blade-like cutting edges are provided that communicate with the recess.