JPS5838890U - さく溝用ビツト - Google Patents

さく溝用ビツト

Info

Publication number
JPS5838890U
JPS5838890U JP13104381U JP13104381U JPS5838890U JP S5838890 U JPS5838890 U JP S5838890U JP 13104381 U JP13104381 U JP 13104381U JP 13104381 U JP13104381 U JP 13104381U JP S5838890 U JPS5838890 U JP S5838890U
Authority
JP
Japan
Prior art keywords
drilling bit
chip pieces
guide portion
pair
utility
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
JP13104381U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6136620Y2 (enrdf_load_stackoverflow
Inventor
西尾　岱之
渋川　隆夫
勇司 小野
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.)
Mazda Motor Corp
Shimizu Corp
Original Assignee
Mazda Motor Corp
Shimizu 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 Mazda Motor Corp, Shimizu Corp filed Critical Mazda Motor Corp
Priority to JP13104381U priority Critical patent/JPS5838890U/ja
Publication of JPS5838890U publication Critical patent/JPS5838890U/ja
Application granted granted Critical
Publication of JPS6136620Y2 publication Critical patent/JPS6136620Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP13104381U 1981-09-02 1981-09-02 さく溝用ビツト Granted JPS5838890U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13104381U JPS5838890U (ja) 1981-09-02 1981-09-02 さく溝用ビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13104381U JPS5838890U (ja) 1981-09-02 1981-09-02 さく溝用ビツト

Publications (2)

Publication Number Publication Date
JPS5838890U true JPS5838890U (ja) 1983-03-14
JPS6136620Y2 JPS6136620Y2 (enrdf_load_stackoverflow) 1986-10-23

Family

ID=29924641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13104381U Granted JPS5838890U (ja) 1981-09-02 1981-09-02 さく溝用ビツト

Country Status (1)

Country Link
JP (1) JPS5838890U (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5145504B1 (ja) * 2012-01-30 2013-02-20 株式会社神島組 破砕装置および破砕方法

Also Published As

Publication number Publication date
JPS6136620Y2 (enrdf_load_stackoverflow) 1986-10-23

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