JPH0372992U - - Google Patents

Info

Publication number
JPH0372992U
JPH0372992U JP13331389U JP13331389U JPH0372992U JP H0372992 U JPH0372992 U JP H0372992U JP 13331389 U JP13331389 U JP 13331389U JP 13331389 U JP13331389 U JP 13331389U JP H0372992 U JPH0372992 U JP H0372992U
Authority
JP
Japan
Prior art keywords
tapered
tapered head
cemented carbide
drilling tip
conical 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.)
Pending
Application number
JP13331389U
Other languages
English (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 JP13331389U priority Critical patent/JPH0372992U/ja
Publication of JPH0372992U publication Critical patent/JPH0372992U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)

Description

【図面の簡単な説明】
第1図は、本考案コニカルビツトの一実施例を
示す正面図、第2図は、別の実施例を示す正面図
、第3図は、他の変形例を示す一部正面図である
。 1……コニカルビツト、2……テーパ頭部、3
……取付け軸、4……掘削チツプ、5……リング

Claims (1)

  1. 【実用新案登録請求の範囲】 先細端に超硬合金からなる掘削チツプ4が備え
    られるようにしたテーパ頭部2およびこのテーパ
    頭部2の他端に連結された取付け軸3からなるコ
    ニカルビツトにおいて、 前記テーパ頭部2の先細端には、前記掘削チツ
    プ4に続いて超硬合金からなる摩耗防止用のリン
    グ5が外周囲に備えられるようにしたことを特徴
    とするコニカルビツト。
JP13331389U 1989-11-16 1989-11-16 Pending JPH0372992U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13331389U JPH0372992U (ja) 1989-11-16 1989-11-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13331389U JPH0372992U (ja) 1989-11-16 1989-11-16

Publications (1)

Publication Number Publication Date
JPH0372992U true JPH0372992U (ja) 1991-07-23

Family

ID=31680722

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13331389U Pending JPH0372992U (ja) 1989-11-16 1989-11-16

Country Status (1)

Country Link
JP (1) JPH0372992U (ja)

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