JPH061665Y2 - 穿孔装置 - Google Patents

穿孔装置

Info

Publication number
JPH061665Y2
JPH061665Y2 JP13325987U JP13325987U JPH061665Y2 JP H061665 Y2 JPH061665 Y2 JP H061665Y2 JP 13325987 U JP13325987 U JP 13325987U JP 13325987 U JP13325987 U JP 13325987U JP H061665 Y2 JPH061665 Y2 JP H061665Y2
Authority
JP
Japan
Prior art keywords
rod
casing
punching device
piston
piercing
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.)
Expired - Lifetime
Application number
JP13325987U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6442388U (enrdf_load_stackoverflow
Inventor
哲 西岡
征行 鷹巣
恵二 広井
光司 鄭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokyu Construction Co Ltd
Original Assignee
Tokyu Construction Co Ltd
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 by Tokyu Construction Co Ltd filed Critical Tokyu Construction Co Ltd
Priority to JP13325987U priority Critical patent/JPH061665Y2/ja
Publication of JPS6442388U publication Critical patent/JPS6442388U/ja
Application granted granted Critical
Publication of JPH061665Y2 publication Critical patent/JPH061665Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP13325987U 1987-09-02 1987-09-02 穿孔装置 Expired - Lifetime JPH061665Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13325987U JPH061665Y2 (ja) 1987-09-02 1987-09-02 穿孔装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13325987U JPH061665Y2 (ja) 1987-09-02 1987-09-02 穿孔装置

Publications (2)

Publication Number Publication Date
JPS6442388U JPS6442388U (enrdf_load_stackoverflow) 1989-03-14
JPH061665Y2 true JPH061665Y2 (ja) 1994-01-12

Family

ID=31390955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13325987U Expired - Lifetime JPH061665Y2 (ja) 1987-09-02 1987-09-02 穿孔装置

Country Status (1)

Country Link
JP (1) JPH061665Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6442388U (enrdf_load_stackoverflow) 1989-03-14

Similar Documents

Publication Publication Date Title
US3998278A (en) Hammer drill
US6913090B2 (en) Hammer
US3640351A (en) Force pulse shaping member for percussion tool
JP2003236769A (ja) 手工具装置の作動モード切替ユニット
JPH11104974A (ja) 打撃工具
JP3372345B2 (ja) インパクト回転工具
US7296635B2 (en) Rotary hammer with mode change ring
US5009274A (en) Laterally adjustable drilling tool
JPH061665Y2 (ja) 穿孔装置
JP5055749B2 (ja) ハンマドリル
JPH1068407A5 (enrdf_load_stackoverflow)
US3789934A (en) Rotary impact motor
JPH02284881A (ja) ハンマードリル
WO2001081704A1 (en) Backreaming tool
JPH0799077B2 (ja) 穿孔装置
JP2004169436A (ja) 二重管掘削システム
US20130037289A1 (en) Electric hammer
JP3756725B2 (ja) 打撃工具
JPH0355386A (ja) 削孔機の打撃削孔部構造
JPS6239182Y2 (enrdf_load_stackoverflow)
JPH0721677Y2 (ja) ２重管式掘削ビット
JP2543964Y2 (ja) 削岩機の固定装置
JPS6145271Y2 (enrdf_load_stackoverflow)
JPH0768836B2 (ja) 削孔装置
JPH10175178A (ja) ハンマドリルの動作モード切換装置