JPS58145393U - Reinforced concrete drilling bit - Google Patents

Reinforced concrete drilling bit

Info

Publication number
JPS58145393U
JPS58145393U JP4122082U JP4122082U JPS58145393U JP S58145393 U JPS58145393 U JP S58145393U JP 4122082 U JP4122082 U JP 4122082U JP 4122082 U JP4122082 U JP 4122082U JP S58145393 U JPS58145393 U JP S58145393U
Authority
JP
Japan
Prior art keywords
reinforced concrete
drilling bit
concrete drilling
cutting edge
bit
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
JP4122082U
Other languages
Japanese (ja)
Other versions
JPS636313Y2 (en
Inventor
米雄 日和佐
千葉　政次
Original Assignee
三菱マテリアル株式会社
株式会社山本鉄工所
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 三菱マテリアル株式会社, 株式会社山本鉄工所 filed Critical 三菱マテリアル株式会社
Priority to JP4122082U priority Critical patent/JPS58145393U/en
Publication of JPS58145393U publication Critical patent/JPS58145393U/en
Application granted granted Critical
Publication of JPS636313Y2 publication Critical patent/JPS636313Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Working Measures On Existing Buildindgs (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 drawings]

第１図イ、用よ従来のロックビットを示す側面図及び正
面図、第２図イ１口は本考案による一実施例を示すロッ
クビットの側面図及び正面図、第３図イ９口に本考案に
よる他の実施例を示すロックビットの側面図及び正面図
である。 １０・・田ツクビットボデー、１１．１２・・・力゛ン
テイングエツジ、１３・・・サイドホール。Figure 1A is a side view and front view showing a conventional lock bit; Figure 2A is a side view and front view of a lock bit showing an embodiment of the present invention; Figure 3A is a side view and front view showing a conventional lock bit. FIG. 7 is a side view and a front view of a lock bit showing another embodiment of the present invention. 10...Touch bit body, 11.12...Force bearing edge, 13...Side hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 鉄筋コンクリート構造物に穿孔する４枚刃以上のビット
において、ビットポデー先端に超硬合金のカッティング
エツジを形成し、上記カッティングエツジの切先角を所
定の角度に形成するとともに、カッティングエツジの刃
先を所定のＲ又は平担としたことを特徴とする鉄筋コン
クリート穿孔用ビット。For bits with four or more blades for drilling into reinforced concrete structures, a cutting edge of cemented carbide is formed at the tip of the bit pod, and the cutting edge of the cutting edge is formed at a predetermined angle. A reinforced concrete drilling bit characterized by being rounded or flat.
JP4122082U 1982-03-24 1982-03-24 Reinforced concrete drilling bit Granted JPS58145393U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4122082U JPS58145393U (en) 1982-03-24 1982-03-24 Reinforced concrete drilling bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4122082U JPS58145393U (en) 1982-03-24 1982-03-24 Reinforced concrete drilling bit

Publications (2)

Publication Number Publication Date
JPS58145393U true JPS58145393U (en) 1983-09-30
JPS636313Y2 JPS636313Y2 (en) 1988-02-22

Family

ID=30052405

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4122082U Granted JPS58145393U (en) 1982-03-24 1982-03-24 Reinforced concrete drilling bit

Country Status (1)

Country Link
JP (1) JPS58145393U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100278577B1 (en) * 1998-06-18 2001-01-15 송성환 Polygonal Universal Bits for Rock Drills
JP2013209828A (en) * 2012-03-30 2013-10-10 Osaka Bosui Constr Co Ltd Tip bit and drilling apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100278577B1 (en) * 1998-06-18 2001-01-15 송성환 Polygonal Universal Bits for Rock Drills
JP2013209828A (en) * 2012-03-30 2013-10-10 Osaka Bosui Constr Co Ltd Tip bit and drilling apparatus

Also Published As

Publication number Publication date
JPS636313Y2 (en) 1988-02-22

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