JPH0451365U - - Google Patents

Info

Publication number
JPH0451365U
JPH0451365U JP9227090U JP9227090U JPH0451365U JP H0451365 U JPH0451365 U JP H0451365U JP 9227090 U JP9227090 U JP 9227090U JP 9227090 U JP9227090 U JP 9227090U JP H0451365 U JPH0451365 U JP H0451365U
Authority
JP
Japan
Prior art keywords
opening
diamond
drill
diamond drill
circumferential length
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
JP9227090U
Other languages
Japanese (ja)
Other versions
JP2515111Y2 (en
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 filed Critical
Priority to JP9227090U priority Critical patent/JP2515111Y2/en
Publication of JPH0451365U publication Critical patent/JPH0451365U/ja
Application granted granted Critical
Publication of JP2515111Y2 publication Critical patent/JP2515111Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Description

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

第１図は本考案実施例のダイヤモンドドリルの
正面図、第２図は同ダイヤモンドドリルの部分拡
大斜視図、第３図は同ダイヤモンドドリルの拡大
側面図である。第４図は従来のセグメントタイプ
のドリルを示す図である。 １……ダイヤモンドドリル、２……シヤンク基
部、３……ダイヤモンドクラウン、４……開口部
、５……切欠き部、Ｃ……コア、Ｈ……開口部深
さ、Ｌ……開口部外周長、１１……シヤンク基部
、１２……クラウン、１３……セグメントチツプ
。 FIG. 1 is a front view of a diamond drill according to an embodiment of the present invention, FIG. 2 is a partially enlarged perspective view of the same diamond drill, and FIG. 3 is an enlarged side view of the same diamond drill. FIG. 4 is a diagram showing a conventional segment type drill. 1... Diamond drill, 2... Shank base, 3... Diamond crown, 4... Opening, 5... Notch, C... Core, H... Opening depth, L... Opening outer periphery length, 11...shank base, 12...crown, 13...segment tip.

Claims (1)

【実用新案登録請求の範囲】 １ ダイヤモンドクラウン部を、水平断面におい
て少なくとも一方が開放された開口部を有する一
体成形とし、同開口部の外周部の開口を中心部の
開口よりも広くしたことを特徴とするダイヤモン
ドドリル。 ２ 請求項１記載の開口部を、ドリルの回転軸を
包含したものとしたダイヤモンドドリル。 ３ 請求項１または２記載の開口部分の外周長を
クラウン部全周長の1/8〜1/4とし、半径方向深さ
をクラウン部半径の１２０〜１４０％としたダイ
ヤモンドドリル。[Claims for Utility Model Registration] 1. The diamond crown part is integrally molded with an opening that is open on at least one side in horizontal cross section, and the opening at the outer periphery of the opening is wider than the opening at the center. A distinctive diamond drill. 2. A diamond drill in which the opening according to claim 1 includes the rotating shaft of the drill. 3. The diamond drill according to claim 1 or 2, wherein the outer circumferential length of the opening portion is 1/8 to 1/4 of the total circumferential length of the crown portion, and the radial depth is 120 to 140% of the crown portion radius.
JP9227090U 1990-09-01 1990-09-01 Diamond drill Expired - Lifetime JP2515111Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9227090U JP2515111Y2 (en) 1990-09-01 1990-09-01 Diamond drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9227090U JP2515111Y2 (en) 1990-09-01 1990-09-01 Diamond drill

Publications (2)

Publication Number Publication Date
JPH0451365U true JPH0451365U (en) 1992-04-30
JP2515111Y2 JP2515111Y2 (en) 1996-10-30

Family

ID=31828593

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9227090U Expired - Lifetime JP2515111Y2 (en) 1990-09-01 1990-09-01 Diamond drill

Country Status (1)

Country Link
JP (1) JP2515111Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002096133A (en) * 2000-08-25 2002-04-02 Hilti Ag Substrate for diamond drill crown
JP2004291185A (en) * 2003-03-27 2004-10-21 Noritake Super Abrasive:Kk Grinding wheel with spindle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002096133A (en) * 2000-08-25 2002-04-02 Hilti Ag Substrate for diamond drill crown
JP2004291185A (en) * 2003-03-27 2004-10-21 Noritake Super Abrasive:Kk Grinding wheel with spindle

Also Published As

Publication number Publication date
JP2515111Y2 (en) 1996-10-30

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R250 Receipt of annual fees

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EXPY Cancellation because of completion of term