JPS6027191U - 重錘式掘削機の刃先構造 - Google Patents

重錘式掘削機の刃先構造

Info

Publication number
JPS6027191U
JPS6027191U JP11810383U JP11810383U JPS6027191U JP S6027191 U JPS6027191 U JP S6027191U JP 11810383 U JP11810383 U JP 11810383U JP 11810383 U JP11810383 U JP 11810383U JP S6027191 U JPS6027191 U JP S6027191U
Authority
JP
Japan
Prior art keywords
cutting edge
weight type
type excavator
edge structure
hard metal
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
JP11810383U
Other languages
English (en)
Inventor
米雄 日和佐
大内　博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Materials Corp
Original Assignee
Mitsubishi Materials Corp
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 Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Priority to JP11810383U priority Critical patent/JPS6027191U/ja
Publication of JPS6027191U publication Critical patent/JPS6027191U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (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。

Description

【図面の簡単な説明】
第１図は従来の実施例を示す重錘式掘削機の刃先近傍を
示す斜視図、第２図ないし第３図は従来の実施例を示す
刃先の断面図、第４図は本考案による実施例を示す刃先
の斜視図、第５図ないし第７図は本考案による他の実施
例を示す刃先形状及び内体形状の斜視図である。 １・・・・・・超硬チップ、２・・・・・・鋼製ホルダ
ー、３・・・・・・嵌合部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 重錘式掘削機の刃先構造において、刃先部分を硬質金属
    とするとともに、上記硬質金属を保持する刃先近傍の鋼
    製ホルダー硬度を口ＲＣ３０以上としたことを特徴とす
    る重錘式掘削機の刃先構造。
JP11810383U 1983-07-29 1983-07-29 重錘式掘削機の刃先構造 Pending JPS6027191U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11810383U JPS6027191U (ja) 1983-07-29 1983-07-29 重錘式掘削機の刃先構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11810383U JPS6027191U (ja) 1983-07-29 1983-07-29 重錘式掘削機の刃先構造

Publications (1)

Publication Number Publication Date
JPS6027191U true JPS6027191U (ja) 1985-02-23

Family

ID=30271599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11810383U Pending JPS6027191U (ja) 1983-07-29 1983-07-29 重錘式掘削機の刃先構造

Country Status (1)

Country Link
JP (1) JPS6027191U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625594A (en) * 1979-08-06 1981-03-11 Tone Boring Co Tricoen bit and its manufacture

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625594A (en) * 1979-08-06 1981-03-11 Tone Boring Co Tricoen bit and its manufacture

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