JPS60126490A - バケツト型掘削器 - Google Patents

バケツト型掘削器

Info

Publication number
JPS60126490A
JPS60126490A JP23344183A JP23344183A JPS60126490A JP S60126490 A JPS60126490 A JP S60126490A JP 23344183 A JP23344183 A JP 23344183A JP 23344183 A JP23344183 A JP 23344183A JP S60126490 A JPS60126490 A JP S60126490A
Authority
JP
Japan
Prior art keywords
packet
drilling
shutter
opening
casing
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
JP23344183A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6329074B2 (enrdf_load_stackoverflow
Inventor
瀬谷　実
片山　英雄
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP23344183A priority Critical patent/JPS60126490A/ja
Publication of JPS60126490A publication Critical patent/JPS60126490A/ja
Publication of JPS6329074B2 publication Critical patent/JPS6329074B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP23344183A 1983-12-10 1983-12-10 バケツト型掘削器 Granted JPS60126490A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23344183A JPS60126490A (ja) 1983-12-10 1983-12-10 バケツト型掘削器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23344183A JPS60126490A (ja) 1983-12-10 1983-12-10 バケツト型掘削器

Publications (2)

Publication Number Publication Date
JPS60126490A true JPS60126490A (ja) 1985-07-05
JPS6329074B2 JPS6329074B2 (enrdf_load_stackoverflow) 1988-06-10

Family

ID=16955087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23344183A Granted JPS60126490A (ja) 1983-12-10 1983-12-10 バケツト型掘削器

Country Status (1)

Country Link
JP (1) JPS60126490A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04292753A (ja) * 1991-03-18 1992-10-16 Mitsubishi Heavy Ind Ltd 吸着式冷却装置

Also Published As

Publication number Publication date
JPS6329074B2 (enrdf_load_stackoverflow) 1988-06-10

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