JPH0384110U - - Google Patents

Info

Publication number
JPH0384110U
JPH0384110U JP14418989U JP14418989U JPH0384110U JP H0384110 U JPH0384110 U JP H0384110U JP 14418989 U JP14418989 U JP 14418989U JP 14418989 U JP14418989 U JP 14418989U JP H0384110 U JPH0384110 U JP H0384110U
Authority
JP
Japan
Prior art keywords
cemented carbide
casing tube
katsutabits
diamond abrasive
material obtained
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
JP14418989U
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 JP14418989U priority Critical patent/JPH0384110U/ja
Publication of JPH0384110U publication Critical patent/JPH0384110U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係わるコアカツタの一実施例
を示す斜視図、第2図はダイヤモンド砥粒カツタ
ビツトと超硬合金カツタビツトとの拡大縦断側面
図、第3図は断面図カツタビツトの縦断正面図、
第4,5図はその作用説明図、第6図は従来のコ
アカツタを示す平面図、第7図は鉄筋切削用超硬
合金カツタビツトを示す斜視図、第8図はコンク
リート切削用砥粒カツタビツトを示す斜視図であ
る。 1…ケーシングチユーブ、2a…超硬合金カツ
タビツト、2b…ダイヤモンド砥粒カツタビツト
、14…弾性材。

Claims (1)

    【実用新案登録請求の範囲】
  1. 炭化タングステンとコバルト等とを焼結させて
    得た焼結材よりなる超硬合金カツタビツトをケー
    シングチユーブの前端部に間隔を置いて固定し、
    ダイヤモンド砥粒を銅、錫、ニツケル等の金属粉
    末とともに焼結させて得た焼結材よりなるダイヤ
    モンド砥粒カツタビツトを上記各超硬合金カツタ
    ビツトの間のケーシングチユーブの前端部に前後
    方向への移動を可能に取付けるとともに同各超硬
    合金カツタビツトとケーシングチユーブの前端部
    との間に同各超硬合金カツタビツトを前方へ付勢
    する弾性材を介装したことを特徴とするコアカツ
    タ。
JP14418989U 1989-12-15 1989-12-15 Pending JPH0384110U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14418989U JPH0384110U (ja) 1989-12-15 1989-12-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14418989U JPH0384110U (ja) 1989-12-15 1989-12-15

Publications (1)

Publication Number Publication Date
JPH0384110U true JPH0384110U (ja) 1991-08-27

Family

ID=31690919

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14418989U Pending JPH0384110U (ja) 1989-12-15 1989-12-15

Country Status (1)

Country Link
JP (1) JPH0384110U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998056553A1 (en) * 1997-06-11 1998-12-17 Osaka Diamond Industrial Co. Core bit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998056553A1 (en) * 1997-06-11 1998-12-17 Osaka Diamond Industrial Co. Core bit
US6192875B1 (en) 1997-06-11 2001-02-27 Osaka Diamond Industrial Co. Core bit

Similar Documents

Publication Publication Date Title
JPH0215814U (ja)
JPH03119090U (ja)
JPH0384110U (ja)
JPH0564288U (ja) カッタービット
JPH037470U (ja)
Lee et al. Role of deformation twin bands in the wear processes of polycrystalline diamond tools
JPH0384109U (ja)
JPH0312991U (ja)
JPH03117520U (ja)
JP2734479B2 (ja) コアカツタ
JPH01110019U (ja)
JPS647223U (ja)
JPS62110814U (ja)
JPH03107114U (ja)
JPH02117826U (ja)
SU694383A1 (ru) Алмазный режущий инструмент
JPH0217025U (ja)
JPS6292120U (ja)
JPS6292103U (ja)
JPS6219164U (ja)
JPS61187619U (ja)
JPS6181804U (ja)
JPS641816U (ja)
JPS6014804U (ja) 切削刃物
JPH0229707U (ja)