JPS6027192U - Lockbit - Google Patents

Lockbit

Info

Publication number
JPS6027192U
JPS6027192U JP11810483U JP11810483U JPS6027192U JP S6027192 U JPS6027192 U JP S6027192U JP 11810483 U JP11810483 U JP 11810483U JP 11810483 U JP11810483 U JP 11810483U JP S6027192 U JPS6027192 U JP S6027192U
Authority
JP
Japan
Prior art keywords
carbide tip
lockbit
chevron
brazing
degrees
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
JP11810483U
Other languages
Japanese (ja)
Inventor
斉藤　祥一
中山　俊秋
Original Assignee
三菱マテリアル株式会社
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 三菱マテリアル株式会社 filed Critical 三菱マテリアル株式会社
Priority to JP11810483U priority Critical patent/JPS6027192U/en
Publication of JPS6027192U publication Critical patent/JPS6027192U/en
Pending legal-status Critical Current

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  • 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。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は一般のロックビットを示す斜視図、第２図は従
来の実施例を示す断面図、第３図は本考案による実施例
である超硬チップの形状を示す断面図である。 １・・・鋼製ホルダー、２・・・超硬チップ、ｄ□？　
ｄ２・・・底面。FIG. 1 is a perspective view showing a general lock bit, FIG. 2 is a sectional view showing a conventional embodiment, and FIG. 3 is a sectional view showing the shape of a carbide tip according to an embodiment of the present invention. 1... Steel holder, 2... Carbide tip, d□?
d2...bottom surface.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 山形状の刃先を有する超硬チップを鋼製ホルダーにロー
付固定してなるロックビットにおいて、上記超硬チップ
の底面を８０〜１５０°の山形状に成形したことを特徴
とするロックビット。A rock bit comprising a carbide tip having a chevron-shaped cutting edge fixed to a steel holder by brazing, characterized in that the bottom surface of the carbide tip is formed into a chevron shape of 80 to 150 degrees.
JP11810483U 1983-07-29 1983-07-29 Lockbit Pending JPS6027192U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11810483U JPS6027192U (en) 1983-07-29 1983-07-29 Lockbit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11810483U JPS6027192U (en) 1983-07-29 1983-07-29 Lockbit

Publications (1)

Publication Number Publication Date
JPS6027192U true JPS6027192U (en) 1985-02-23

Family

ID=30271601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11810483U Pending JPS6027192U (en) 1983-07-29 1983-07-29 Lockbit

Country Status (1)

Country Link
JP (1) JPS6027192U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020525678A (en) * 2017-06-27 2020-08-27 ヒルティ アクチエンゲゼルシャフト Drills for rock chiseling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020525678A (en) * 2017-06-27 2020-08-27 ヒルティ アクチエンゲゼルシャフト Drills for rock chiseling
US11850716B2 (en) 2017-06-27 2023-12-26 Hilti Aktiengesellschaft Drill for chiselling rock

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