JPS6180883U - - Google Patents

Info

Publication number
JPS6180883U
JPS6180883U JP16301984U JP16301984U JPS6180883U JP S6180883 U JPS6180883 U JP S6180883U JP 16301984 U JP16301984 U JP 16301984U JP 16301984 U JP16301984 U JP 16301984U JP S6180883 U JPS6180883 U JP S6180883U
Authority
JP
Japan
Prior art keywords
bit
slit
attached
drilling tool
tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP16301984U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP16301984U priority Critical patent/JPS6180883U/ja
Publication of JPS6180883U publication Critical patent/JPS6180883U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)

Description

【図面の簡単な説明】
第1図から第4図は本考案の実施例を示すもの
で、第1図は正面図、第2図は第1図の−線
に沿う断面図、第8図は作業説明図、第4図は孔
の形状を示す断面図、第5図は従来の穿孔工具を
示す正面図、第6図は発破作業現場を示す斜視図
である。 1はビツト、3はロツド、5はスリツト用工具
、5aは翼片、6は切刃、9は孔。

Claims (1)

    【実用新案登録請求の範囲】
  1. 回転するロツド3の先端にビツト1を装着した
    穿孔工具において、ビツト1と共に穿孔された孔
    9内に入るロツド部に、少なくとも軸方向ビツト
    側に切刃6を設けた翼片5a,5bを外側に突設
    したスリツト用工具5を回転自在に嵌合したこと
    を特徴とする穿孔工具。
JP16301984U 1984-10-30 1984-10-30 Pending JPS6180883U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16301984U JPS6180883U (ja) 1984-10-30 1984-10-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16301984U JPS6180883U (ja) 1984-10-30 1984-10-30

Publications (1)

Publication Number Publication Date
JPS6180883U true JPS6180883U (ja) 1986-05-29

Family

ID=30720881

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16301984U Pending JPS6180883U (ja) 1984-10-30 1984-10-30

Country Status (1)

Country Link
JP (1) JPS6180883U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5712793A (en) * 1980-06-27 1982-01-22 Toyo Kogyo Co Drilling of grooved hole

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5712793A (en) * 1980-06-27 1982-01-22 Toyo Kogyo Co Drilling of grooved hole

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