【図面の簡単な説明】[Brief explanation of drawings]
第１図は本考案の切削刃の斜視図、第２図は従
来の内径溝入れ、内径溝面取りに必要とした二体
の刃具の斜視図、第３図は本考案の切削刃をホル
ダーに取り付けた所の斜視図、第４図は本考案の
切削刃を切削物の内径に挿入した正面図一部断面
図、第５図は本考案の切削刃を切削物の内径に挿
入し溝入れ加工と溝面取り加工を行つた側面図一
部断面図。
１は溝入れ刃、２は取り付け穴、３は面取り刃
、４は旧溝入れ刃、５は旧面取り刃、６は取りつ
けネジ、７はホルダー、８は切削物、９は回転方
向。
Figure 1 is a perspective view of the cutting blade of the present invention, Figure 2 is a perspective view of two cutting tools required for conventional internal grooving and chamfering, and Figure 3 is a holder for the cutting blade of the present invention. Figure 4 is a front view and partially sectional view of the cutting blade of the present invention inserted into the inner diameter of the workpiece, and Figure 5 is a perspective view of the installed location. Figure 5 is the cutting blade of the present invention inserted into the inner diameter of the workpiece and grooved. Side view partially sectional view after machining and groove chamfering. 1 is the grooving blade, 2 is the mounting hole, 3 is the chamfering blade, 4 is the old grooving blade, 5 is the old chamfering blade, 6 is the mounting screw, 7 is the holder, 8 is the cutting object, and 9 is the rotation direction.
補正 昭６１．３．３
実用新案登録請求の範囲を次のように補正する
。
明細書中、実用新案の登録請求の範囲の最後の
行の「菱形の工業用内径切削刃具」の行中へ「菱
形を含む平行四辺形の工業用切削刃具」と文を挿
入補正する。
補正 昭６１．４．２２
実用新案登録請求の範囲を次のように補正する
。Amendment March 3, 1981 The scope of claims for utility model registration is amended as follows. In the specification, in the last line of the registered claims of the utility model, the words ``industrial cutting tool with a rhombus shape and a parallelogram shape'' are inserted between the line ``a diamond-shaped industrial cutting tool with an internal diameter''. Amendment April 22, 1981 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
ホルダー７の先端に溝入れ刃１とその対角線上
に面取刃３の二つの別の刃を同時に持つ菱形を含
む平行四辺形の工業用内径切削刃具。[Claims for Utility Model Registration] An industrial internal diameter cutting tool in the form of a parallelogram including a rhombus, which simultaneously has two separate blades: a grooving blade 1 at the tip of a holder 7 and a chamfering blade 3 on the diagonal thereof.