JPS5980886A - 空圧打撃式掘削装置 - Google Patents

空圧打撃式掘削装置

Info

Publication number
JPS5980886A
JPS5980886A JP19140082A JP19140082A JPS5980886A JP S5980886 A JPS5980886 A JP S5980886A JP 19140082 A JP19140082 A JP 19140082A JP 19140082 A JP19140082 A JP 19140082A JP S5980886 A JPS5980886 A JP S5980886A
Authority
JP
Japan
Prior art keywords
piston
pressure chamber
passage
pipe
exhaust
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.)
Granted
Application number
JP19140082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6245389B2 (enrdf_load_stackoverflow
Inventor
浜村　紘之
川崎　博行
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.)
Tone Boring Co Ltd
TONE BORING KK
Original Assignee
Tone Boring Co Ltd
TONE BORING KK
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 Tone Boring Co Ltd, TONE BORING KK filed Critical Tone Boring Co Ltd
Priority to JP19140082A priority Critical patent/JPS5980886A/ja
Publication of JPS5980886A publication Critical patent/JPS5980886A/ja
Publication of JPS6245389B2 publication Critical patent/JPS6245389B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP19140082A 1982-10-30 1982-10-30 空圧打撃式掘削装置 Granted JPS5980886A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19140082A JPS5980886A (ja) 1982-10-30 1982-10-30 空圧打撃式掘削装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19140082A JPS5980886A (ja) 1982-10-30 1982-10-30 空圧打撃式掘削装置

Publications (2)

Publication Number Publication Date
JPS5980886A true JPS5980886A (ja) 1984-05-10
JPS6245389B2 JPS6245389B2 (enrdf_load_stackoverflow) 1987-09-26

Family

ID=16273968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19140082A Granted JPS5980886A (ja) 1982-10-30 1982-10-30 空圧打撃式掘削装置

Country Status (1)

Country Link
JP (1) JPS5980886A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6245389B2 (enrdf_load_stackoverflow) 1987-09-26

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