JPS6087650U - drill bit - Google Patents

drill bit

Info

Publication number
JPS6087650U
JPS6087650U JP17998683U JP17998683U JPS6087650U JP S6087650 U JPS6087650 U JP S6087650U JP 17998683 U JP17998683 U JP 17998683U JP 17998683 U JP17998683 U JP 17998683U JP S6087650 U JPS6087650 U JP S6087650U
Authority
JP
Japan
Prior art keywords
slit
drill bit
drilling cylinder
shaft
chuck part
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
JP17998683U
Other languages
Japanese (ja)
Inventor
田代 正一
沖長 紘光
Original Assignee
東急建設株式会社
山岡建設工業株式会社
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 東急建設株式会社, 山岡建設工業株式会社 filed Critical 東急建設株式会社
Priority to JP17998683U priority Critical patent/JPS6087650U/en
Publication of JPS6087650U publication Critical patent/JPS6087650U/en
Pending legal-status Critical Current

Links

Landscapes

  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Polishing Bodies And Polishing Tools (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:本考案のドリルの刃の一実施例の斜視図、第2
図:その前端から見た端面図、第3図:尾端から見た端
面図、第4図:その他のドリルの刃の端面図。 1:チャック部、2:軸部、3:削孔円柱、4:送給路
、5ニスリツト、6:軸方向刃。
Figure 1: Perspective view of one embodiment of the drill blade of the present invention, Figure 2
Figure: End view as seen from its front end, Figure 3: End view as seen from the tail end, Figure 4: End view of another drill bit. 1: Chuck part, 2: Shaft part, 3: Drilling cylinder, 4: Feeding path, 5 Nislit, 6: Axial blade.

Claims (1)

【実用新案登録請求の範囲】 チャック部と削孔円柱との間に軸部を形成し削孔円柱に
はスリットを軸部と平行に開設し、スリットの溝の両端
には軸方向刃を形成し、削孔円柱の周囲には超硬質材の
粒子群を取りつけ、チャック部の尾端からスリットまで
の間には送給路を貫通させたことを特徴とする ドリルの刃。      、
[Scope of claim for utility model registration] A shaft is formed between the chuck part and the drilling cylinder, a slit is opened in the drilling cylinder parallel to the shaft, and axial blades are formed at both ends of the groove of the slit. A drill blade characterized in that a group of ultra-hard material particles is attached around the drilling cylinder, and a feeding path is passed through between the tail end of the chuck part and the slit. ,
JP17998683U 1983-11-24 1983-11-24 drill bit Pending JPS6087650U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17998683U JPS6087650U (en) 1983-11-24 1983-11-24 drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17998683U JPS6087650U (en) 1983-11-24 1983-11-24 drill bit

Publications (1)

Publication Number Publication Date
JPS6087650U true JPS6087650U (en) 1985-06-15

Family

ID=30390371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17998683U Pending JPS6087650U (en) 1983-11-24 1983-11-24 drill bit

Country Status (1)

Country Link
JP (1) JPS6087650U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63166403U (en) * 1987-04-21 1988-10-28
JPH01206005A (en) * 1988-02-12 1989-08-18 Naohiko Kobayashi Method for boring hole in concrete building
JPH01131512U (en) * 1988-03-03 1989-09-06

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63166403U (en) * 1987-04-21 1988-10-28
JPH01206005A (en) * 1988-02-12 1989-08-18 Naohiko Kobayashi Method for boring hole in concrete building
JPH01131512U (en) * 1988-03-03 1989-09-06

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