JPH0640711Y2 - ロータリパーカッションドリル用無水ボーリング装置 - Google Patents

ロータリパーカッションドリル用無水ボーリング装置

Info

Publication number
JPH0640711Y2
JPH0640711Y2 JP16557188U JP16557188U JPH0640711Y2 JP H0640711 Y2 JPH0640711 Y2 JP H0640711Y2 JP 16557188 U JP16557188 U JP 16557188U JP 16557188 U JP16557188 U JP 16557188U JP H0640711 Y2 JPH0640711 Y2 JP H0640711Y2
Authority
JP
Japan
Prior art keywords
tip
bit
piston
sludge barrel
cylinder
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
JP16557188U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0284889U (enExample
Inventor
金子　　豊
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.)
Koken Boring Machine Co Ltd
Original Assignee
Koken Boring Machine 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 Koken Boring Machine Co Ltd filed Critical Koken Boring Machine Co Ltd
Priority to JP16557188U priority Critical patent/JPH0640711Y2/ja
Publication of JPH0284889U publication Critical patent/JPH0284889U/ja
Application granted granted Critical
Publication of JPH0640711Y2 publication Critical patent/JPH0640711Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Sampling And Sample Adjustment (AREA)
JP16557188U 1988-12-21 1988-12-21 ロータリパーカッションドリル用無水ボーリング装置 Expired - Lifetime JPH0640711Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16557188U JPH0640711Y2 (ja) 1988-12-21 1988-12-21 ロータリパーカッションドリル用無水ボーリング装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16557188U JPH0640711Y2 (ja) 1988-12-21 1988-12-21 ロータリパーカッションドリル用無水ボーリング装置

Publications (2)

Publication Number Publication Date
JPH0284889U JPH0284889U (enExample) 1990-07-02
JPH0640711Y2 true JPH0640711Y2 (ja) 1994-10-26

Family

ID=31452178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16557188U Expired - Lifetime JPH0640711Y2 (ja) 1988-12-21 1988-12-21 ロータリパーカッションドリル用無水ボーリング装置

Country Status (1)

Country Link
JP (1) JPH0640711Y2 (enExample)

Also Published As

Publication number Publication date
JPH0284889U (enExample) 1990-07-02

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