JPS59107690U - drilling bit - Google Patents

drilling bit

Info

Publication number
JPS59107690U
JPS59107690U JP189583U JP189583U JPS59107690U JP S59107690 U JPS59107690 U JP S59107690U JP 189583 U JP189583 U JP 189583U JP 189583 U JP189583 U JP 189583U JP S59107690 U JPS59107690 U JP S59107690U
Authority
JP
Japan
Prior art keywords
drilling
drilling bit
teeth
main body
downward
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
JP189583U
Other languages
Japanese (ja)
Inventor
田宮　嘉人
島田　光弘
正夫 小松
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP189583U priority Critical patent/JPS59107690U/en
Publication of JPS59107690U publication Critical patent/JPS59107690U/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図は従来の掘削用ビットの例を示す正面図であり、
第２．３図は本考案の一実施例としての掘削用ビットを
示すもので、第２図はその正面図であり、第３図は第２
図の■−■矢視断面図である。 １・・・・・・掘削用ビット本体、２．　３．　４・・
・・・・歯、Ａ・・・・・・掘削用ビット。FIG. 1 is a front view showing an example of a conventional drilling bit.
Fig. 2.3 shows a drilling bit as an embodiment of the present invention, Fig. 2 is a front view thereof, and Fig. 3 is a drilling bit as an embodiment of the present invention.
It is a sectional view taken along the line ■-■ in the figure. 1...Drilling bit body, 2. 3. 4...
...Teeth, A...Drilling bit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 掘削用ビットの本体において、その下部に掘削用の複数
の歯を下向きにそなえるとともに、同本体の側部に掘削
用の複数の歯を側方へ向けてそなえ、かつ上記本体の上
部にも掘削用の複数の歯が上方へ向けて突設されたこと
を特徴とする、掘削用ビット。In the main body of the drilling bit, a plurality of teeth for drilling are provided at the bottom thereof facing downward, and a plurality of teeth for drilling are provided facing sideways at the side of the main body, and the upper part of the main body is also provided with a plurality of teeth for drilling downward. A drilling bit characterized by a plurality of teeth protruding upward.
JP189583U 1983-01-11 1983-01-11 drilling bit Pending JPS59107690U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP189583U JPS59107690U (en) 1983-01-11 1983-01-11 drilling bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP189583U JPS59107690U (en) 1983-01-11 1983-01-11 drilling bit

Publications (1)

Publication Number Publication Date
JPS59107690U true JPS59107690U (en) 1984-07-20

Family

ID=30133601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP189583U Pending JPS59107690U (en) 1983-01-11 1983-01-11 drilling bit

Country Status (1)

Country Link
JP (1) JPS59107690U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49881U (en) * 1972-03-07 1974-01-07
JPS50117602A (en) * 1974-02-13 1975-09-13

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49881U (en) * 1972-03-07 1974-01-07
JPS50117602A (en) * 1974-02-13 1975-09-13

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