JPS5360801A - Core pit for hammer drill - Google Patents

Core pit for hammer drill

Info

Publication number
JPS5360801A
JPS5360801A JP13652476A JP13652476A JPS5360801A JP S5360801 A JPS5360801 A JP S5360801A JP 13652476 A JP13652476 A JP 13652476A JP 13652476 A JP13652476 A JP 13652476A JP S5360801 A JPS5360801 A JP S5360801A
Authority
JP
Japan
Prior art keywords
hammer drill
core pit
pit
core
hammer
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
JP13652476A
Other languages
English (en)
Japanese (ja)
Other versions
JPS547721B2 (enExample
Inventor
Fujikazu Toda
Masaaki Miyagawa
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP13652476A priority Critical patent/JPS5360801A/ja
Publication of JPS5360801A publication Critical patent/JPS5360801A/ja
Publication of JPS547721B2 publication Critical patent/JPS547721B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP13652476A 1976-11-13 1976-11-13 Core pit for hammer drill Granted JPS5360801A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13652476A JPS5360801A (en) 1976-11-13 1976-11-13 Core pit for hammer drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13652476A JPS5360801A (en) 1976-11-13 1976-11-13 Core pit for hammer drill

Publications (2)

Publication Number Publication Date
JPS5360801A true JPS5360801A (en) 1978-05-31
JPS547721B2 JPS547721B2 (enExample) 1979-04-10

Family

ID=15177183

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13652476A Granted JPS5360801A (en) 1976-11-13 1976-11-13 Core pit for hammer drill

Country Status (1)

Country Link
JP (1) JPS5360801A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56150288U (enExample) * 1980-04-04 1981-11-11
JP2015013365A (ja) * 2013-07-02 2015-01-22 アーウィン インダストリアル トゥール カンパニー ホールカッター

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2856157A (en) * 1955-09-19 1958-10-14 New England Carbide Tool Compa Masonry drills
JPH044066U (enExample) * 1990-04-23 1992-01-14

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2856157A (en) * 1955-09-19 1958-10-14 New England Carbide Tool Compa Masonry drills
JPH044066U (enExample) * 1990-04-23 1992-01-14

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56150288U (enExample) * 1980-04-04 1981-11-11
JP2015013365A (ja) * 2013-07-02 2015-01-22 アーウィン インダストリアル トゥール カンパニー ホールカッター

Also Published As

Publication number Publication date
JPS547721B2 (enExample) 1979-04-10

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