JPH0639933Y2 - 座掘錐 - Google Patents

座掘錐

Info

Publication number
JPH0639933Y2
JPH0639933Y2 JP7647690U JP7647690U JPH0639933Y2 JP H0639933 Y2 JPH0639933 Y2 JP H0639933Y2 JP 7647690 U JP7647690 U JP 7647690U JP 7647690 U JP7647690 U JP 7647690U JP H0639933 Y2 JPH0639933 Y2 JP H0639933Y2
Authority
JP
Japan
Prior art keywords
blade
cutting
region
cut
scoring
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.)
Expired - Lifetime
Application number
JP7647690U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0489303U (OSRAM
Inventor
恒美 小林
Original Assignee
株式会社小林ギムネ製作所
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 株式会社小林ギムネ製作所 filed Critical 株式会社小林ギムネ製作所
Priority to JP7647690U priority Critical patent/JPH0639933Y2/ja
Publication of JPH0489303U publication Critical patent/JPH0489303U/ja
Application granted granted Critical
Publication of JPH0639933Y2 publication Critical patent/JPH0639933Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP7647690U 1990-07-17 1990-07-17 座掘錐 Expired - Lifetime JPH0639933Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7647690U JPH0639933Y2 (ja) 1990-07-17 1990-07-17 座掘錐

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7647690U JPH0639933Y2 (ja) 1990-07-17 1990-07-17 座掘錐

Publications (2)

Publication Number Publication Date
JPH0489303U JPH0489303U (OSRAM) 1992-08-04
JPH0639933Y2 true JPH0639933Y2 (ja) 1994-10-19

Family

ID=31808370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7647690U Expired - Lifetime JPH0639933Y2 (ja) 1990-07-17 1990-07-17 座掘錐

Country Status (1)

Country Link
JP (1) JPH0639933Y2 (OSRAM)

Also Published As

Publication number Publication date
JPH0489303U (OSRAM) 1992-08-04

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term