JPH01105698U - - Google Patents

Info

Publication number
JPH01105698U
JPH01105698U JP116388U JP116388U JPH01105698U JP H01105698 U JPH01105698 U JP H01105698U JP 116388 U JP116388 U JP 116388U JP 116388 U JP116388 U JP 116388U JP H01105698 U JPH01105698 U JP H01105698U
Authority
JP
Japan
Prior art keywords
earth
excavating
sand
comes
view
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
JP116388U
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 JP116388U priority Critical patent/JPH01105698U/ja
Publication of JPH01105698U publication Critical patent/JPH01105698U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例における掘削用刃物
の側面図、第2図は他の実施例における掘削用刃
物の正面図、第3図は同側面図、第4図はシール
ド掘進機の断面図、第5図は従来の掘削用刃物の
平面図、第6図は同側面図である。 1…掘削用刃物、2…掘削刃、3…支持体、3
a…外表面部、4…粒状体。

Claims (1)

    【実用新案登録請求の範囲】
  1. 土砂と接触しかつ土圧を受ける部分を、超硬合
    金の粒状体を鋳ぐるんで形成したことを特徴とす
    る掘削用刃物。
JP116388U 1988-01-07 1988-01-07 Pending JPH01105698U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP116388U JPH01105698U (ja) 1988-01-07 1988-01-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP116388U JPH01105698U (ja) 1988-01-07 1988-01-07

Publications (1)

Publication Number Publication Date
JPH01105698U true JPH01105698U (ja) 1989-07-17

Family

ID=31200814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP116388U Pending JPH01105698U (ja) 1988-01-07 1988-01-07

Country Status (1)

Country Link
JP (1) JPH01105698U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04309698A (ja) * 1991-04-09 1992-11-02 Hitachi Constr Mach Co Ltd 土砂掘削用カッタビット
JP2021173113A (ja) * 2020-04-28 2021-11-01 アロイ工業株式会社 掘削機械の耐摩耗構造
JP2023088051A (ja) * 2021-12-14 2023-06-26 大成建設株式会社 カッタビットおよびカッタビットの製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04309698A (ja) * 1991-04-09 1992-11-02 Hitachi Constr Mach Co Ltd 土砂掘削用カッタビット
JP2021173113A (ja) * 2020-04-28 2021-11-01 アロイ工業株式会社 掘削機械の耐摩耗構造
JP2023088051A (ja) * 2021-12-14 2023-06-26 大成建設株式会社 カッタビットおよびカッタビットの製造方法

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