JPS60135394U - Drill bit for rock drilling - Google Patents

Drill bit for rock drilling

Info

Publication number
JPS60135394U
JPS60135394U JP2051284U JP2051284U JPS60135394U JP S60135394 U JPS60135394 U JP S60135394U JP 2051284 U JP2051284 U JP 2051284U JP 2051284 U JP2051284 U JP 2051284U JP S60135394 U JPS60135394 U JP S60135394U
Authority
JP
Japan
Prior art keywords
drill bit
rock drilling
recess
bit
installing
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.)
Pending
Application number
JP2051284U
Other languages
Japanese (ja)
Inventor
高田　能典
里美　達也
淑隆 新垣
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP2051284U priority Critical patent/JPS60135394U/en
Publication of JPS60135394U publication Critical patent/JPS60135394U/en
Pending legal-status Critical Current

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  • Earth Drilling (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のトリルビ゛ｙトの説明図、第２図はこの
考案の一実施例になるドリルビットの一部切欠側面図、
第３図は同正面図である。　　　　１はビット本体、１
ａは凹孔、３は超硬ビット。FIG. 1 is an explanatory diagram of a conventional drill bit, and FIG. 2 is a partially cutaway side view of a drill bit that is an embodiment of this invention.
FIG. 3 is a front view of the same. 1 is the bit body, 1
a is a recessed hole, 3 is a carbide bit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ビット本体１の先端部にほぼ円錐状の凹孔１ａを形成し
て、この凹孔１ａのテーパ面に複数個の超硬ビット３を
放射状に植設してなる岩盤穿孔用ドリルビット。This drill bit for rock drilling is made by forming a substantially conical recess 1a at the tip of a bit body 1, and installing a plurality of carbide bits 3 radially on the tapered surface of the recess 1a.
JP2051284U 1984-02-17 1984-02-17 Drill bit for rock drilling Pending JPS60135394U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2051284U JPS60135394U (en) 1984-02-17 1984-02-17 Drill bit for rock drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2051284U JPS60135394U (en) 1984-02-17 1984-02-17 Drill bit for rock drilling

Publications (1)

Publication Number Publication Date
JPS60135394U true JPS60135394U (en) 1985-09-09

Family

ID=30511066

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2051284U Pending JPS60135394U (en) 1984-02-17 1984-02-17 Drill bit for rock drilling

Country Status (1)

Country Link
JP (1) JPS60135394U (en)

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