JPH0123640B2 - - Google Patents

Info

Publication number
JPH0123640B2
JPH0123640B2 JP62255228A JP25522887A JPH0123640B2 JP H0123640 B2 JPH0123640 B2 JP H0123640B2 JP 62255228 A JP62255228 A JP 62255228A JP 25522887 A JP25522887 A JP 25522887A JP H0123640 B2 JPH0123640 B2 JP H0123640B2
Authority
JP
Japan
Prior art keywords
dust removal
bit
hood
hole
hollow rod
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
JP62255228A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63197794A (ja
Inventor
Ikuo Ito
Moriharu Takeda
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.)
OKADA AIYON KK
TEISAKU KK
Original Assignee
OKADA AIYON KK
TEISAKU 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 OKADA AIYON KK, TEISAKU KK filed Critical OKADA AIYON KK
Priority to JP25522887A priority Critical patent/JPS63197794A/ja
Publication of JPS63197794A publication Critical patent/JPS63197794A/ja
Publication of JPH0123640B2 publication Critical patent/JPH0123640B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP25522887A 1987-10-09 1987-10-09 除塵フードを有するさく岩機 Granted JPS63197794A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25522887A JPS63197794A (ja) 1987-10-09 1987-10-09 除塵フードを有するさく岩機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25522887A JPS63197794A (ja) 1987-10-09 1987-10-09 除塵フードを有するさく岩機

Publications (2)

Publication Number Publication Date
JPS63197794A JPS63197794A (ja) 1988-08-16
JPH0123640B2 true JPH0123640B2 (enExample) 1989-05-08

Family

ID=17275811

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25522887A Granted JPS63197794A (ja) 1987-10-09 1987-10-09 除塵フードを有するさく岩機

Country Status (1)

Country Link
JP (1) JPS63197794A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7193336B2 (ja) * 2018-12-26 2022-12-20 ライト工業株式会社 削孔装置

Also Published As

Publication number Publication date
JPS63197794A (ja) 1988-08-16

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