JPH0263913U - - Google Patents

Info

Publication number
JPH0263913U
JPH0263913U JP14312788U JP14312788U JPH0263913U JP H0263913 U JPH0263913 U JP H0263913U JP 14312788 U JP14312788 U JP 14312788U JP 14312788 U JP14312788 U JP 14312788U JP H0263913 U JPH0263913 U JP H0263913U
Authority
JP
Japan
Prior art keywords
hole saw
tooth tip
pointed tooth
view
rotates
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
JP14312788U
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 JP14312788U priority Critical patent/JPH0263913U/ja
Publication of JPH0263913U publication Critical patent/JPH0263913U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)

Description

【図面の簡単な説明】
第１図はホールソーの要部正面図、第２図はホ
ールソーの切削状態を示す要部縦断面図、第３図
はホールソーの切削初期を示す縦断面図、第４図
は重ね板の１枚目を穿孔した状態を示す要部縦断
面図、第５図は重ね板の２枚目を穿孔した状態を
示す要部縦断面図、第６図は従来のホールソーの
要部正面図、第７図は従来のホールソーの切削状
態を示す要部縦断面図である。 １……切歯、２……最尖歯先、３……センター
錐、４……スプリング、θ……逃げ角。

Claims (1)

    【実用新案登録請求の範囲】
  1. センター錐を中心に回転穿孔するホールソーに
    おいて、切歯１の内側内周面に最尖歯先２を尖設
    し、最尖歯先２より外側に向けて、斜め上方向に
    逃げ角θを斜設して成るホールソー。
JP14312788U 1988-10-31 1988-10-31 Pending JPH0263913U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14312788U JPH0263913U (ja) 1988-10-31 1988-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14312788U JPH0263913U (ja) 1988-10-31 1988-10-31

Publications (1)

Publication Number Publication Date
JPH0263913U true JPH0263913U (ja) 1990-05-14

Family

ID=31409671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14312788U Pending JPH0263913U (ja) 1988-10-31 1988-10-31

Country Status (1)

Country Link
JP (1) JPH0263913U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200051445A (ko) * 2018-11-05 2020-05-13 티앤씨샤크 주식회사 홀 커터

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5682197A (en) * 1979-11-30 1981-07-04 Riyuuji Tateishi Frame for cutting edge installed in difference in stage and bean curd cutter by its housing base section
JPS59134610A (ja) * 1983-01-19 1984-08-02 Miyanaga:Kk 金属板の重ね穿孔用コアドリル

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5682197A (en) * 1979-11-30 1981-07-04 Riyuuji Tateishi Frame for cutting edge installed in difference in stage and bean curd cutter by its housing base section
JPS59134610A (ja) * 1983-01-19 1984-08-02 Miyanaga:Kk 金属板の重ね穿孔用コアドリル

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200051445A (ko) * 2018-11-05 2020-05-13 티앤씨샤크 주식회사 홀 커터

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