JPH0386188U - - Google Patents

Info

Publication number
JPH0386188U
JPH0386188U JP14896589U JP14896589U JPH0386188U JP H0386188 U JPH0386188 U JP H0386188U JP 14896589 U JP14896589 U JP 14896589U JP 14896589 U JP14896589 U JP 14896589U JP H0386188 U JPH0386188 U JP H0386188U
Authority
JP
Japan
Prior art keywords
tip
bit
ring bit
drilling
auxiliary
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
JP14896589U
Other languages
English (en)
Other versions
JPH0721675Y2 (ja
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 JP14896589U priority Critical patent/JPH0721675Y2/ja
Publication of JPH0386188U publication Critical patent/JPH0386188U/ja
Application granted granted Critical
Publication of JPH0721675Y2 publication Critical patent/JPH0721675Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)

Description

【図面の簡単な説明】
第1図は、本考案リングビツトの一実施例にお
ける半欠した正面図、第2図は、一部正面図、第
3図は、本考案リングビツトの変形例を示す半欠
した一部正面図、第4図は、一部正面図である。 1……ビツト本体、3……掘削チツプ、3a…
…切刃、5……補助チツプ。

Claims (1)

  1. 【実用新案登録請求の範囲】 円筒状をなすビツト本体1の先端環状部分には
    、放射方向で逆V字状の切刃3aを形成するよう
    にした掘削チツプ3が複数個配置されるようにし
    たリングビツトにおいて、 前記ビツト本体1には、前記掘削チツプ3の軸
    方向長さに接近した下部に、または掘削チツプ3
    の回転方向前部で掘削チツプ3に接近した側部に
    補助チツプ5が備えられ、しかもこの補助チツプ
    5が前記掘削チツプ3よりも少数個配置されてい
    ることを特徴とするリングビツト。
JP14896589U 1989-12-25 1989-12-25 リングビット Expired - Fee Related JPH0721675Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14896589U JPH0721675Y2 (ja) 1989-12-25 1989-12-25 リングビット

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14896589U JPH0721675Y2 (ja) 1989-12-25 1989-12-25 リングビット

Publications (2)

Publication Number Publication Date
JPH0386188U true JPH0386188U (ja) 1991-08-30
JPH0721675Y2 JPH0721675Y2 (ja) 1995-05-17

Family

ID=31695399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14896589U Expired - Fee Related JPH0721675Y2 (ja) 1989-12-25 1989-12-25 リングビット

Country Status (1)

Country Link
JP (1) JPH0721675Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007063909A (ja) * 2005-09-01 2007-03-15 Techno Earth Corp 地質試料採取装置および、これを用いた廃棄物の採取方法
KR20160099559A (ko) 2013-12-18 2016-08-22 가부시키가이샤 시마노 글러브

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007063909A (ja) * 2005-09-01 2007-03-15 Techno Earth Corp 地質試料採取装置および、これを用いた廃棄物の採取方法
KR20160099559A (ko) 2013-12-18 2016-08-22 가부시키가이샤 시마노 글러브

Also Published As

Publication number Publication date
JPH0721675Y2 (ja) 1995-05-17

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees