JPH0311359B2 - - Google Patents

Info

Publication number
JPH0311359B2
JPH0311359B2 JP1355285A JP1355285A JPH0311359B2 JP H0311359 B2 JPH0311359 B2 JP H0311359B2 JP 1355285 A JP1355285 A JP 1355285A JP 1355285 A JP1355285 A JP 1355285A JP H0311359 B2 JPH0311359 B2 JP H0311359B2
Authority
JP
Japan
Prior art keywords
leader
block
wire
pulley
sliding
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
Application number
JP1355285A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61172991A (ja
Inventor
Akihiko Myaji
Seishiro Mizuno
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.)
JDC Corp
Original Assignee
JDC Corp
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 JDC Corp filed Critical JDC Corp
Priority to JP1355285A priority Critical patent/JPS61172991A/ja
Publication of JPS61172991A publication Critical patent/JPS61172991A/ja
Publication of JPH0311359B2 publication Critical patent/JPH0311359B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP1355285A 1985-01-29 1985-01-29 岩盤破砕工法用防音リ−ダ Granted JPS61172991A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1355285A JPS61172991A (ja) 1985-01-29 1985-01-29 岩盤破砕工法用防音リ−ダ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1355285A JPS61172991A (ja) 1985-01-29 1985-01-29 岩盤破砕工法用防音リ−ダ

Publications (2)

Publication Number Publication Date
JPS61172991A JPS61172991A (ja) 1986-08-04
JPH0311359B2 true JPH0311359B2 (member.php) 1991-02-15

Family

ID=11836330

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1355285A Granted JPS61172991A (ja) 1985-01-29 1985-01-29 岩盤破砕工法用防音リ−ダ

Country Status (1)

Country Link
JP (1) JPS61172991A (member.php)

Also Published As

Publication number Publication date
JPS61172991A (ja) 1986-08-04

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