MX2014009460A - Drill. - Google Patents

Drill.

Info

Publication number
MX2014009460A
MX2014009460A MX2014009460A MX2014009460A MX2014009460A MX 2014009460 A MX2014009460 A MX 2014009460A MX 2014009460 A MX2014009460 A MX 2014009460A MX 2014009460 A MX2014009460 A MX 2014009460A MX 2014009460 A MX2014009460 A MX 2014009460A
Authority
MX
Mexico
Prior art keywords
drill
cutting edge
thinned
viewed
outer peripheral
Prior art date
Application number
MX2014009460A
Other languages
Spanish (es)
Other versions
MX352882B (en
Inventor
Koichi Arai
Giichi Arai
Katsuyo Kimura
Original Assignee
Bic Tool Co Ltd
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 Bic Tool Co Ltd filed Critical Bic Tool Co Ltd
Priority claimed from PCT/JP2012/052622 external-priority patent/WO2012117809A1/en
Publication of MX2014009460A publication Critical patent/MX2014009460A/en
Publication of MX352882B publication Critical patent/MX352882B/en

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  • Drilling Tools (AREA)

Abstract

[Problem] To provide a drill which enables a great reduction in cutting resistance and easy performance of a drilling operation by human power using a hand drill, a drilling machine, or the like. [Solution] A drill has two cutting edges formed symmetrically with respect to a rotation axis, and is subjected to thinning at the tip thereof. The cutting edge is configured from a thinned cutting edge (1) which extends in a shape including a curved line from a chisel edge to the outer peripheral side of the drill, and a main cutting edge (2) which extends from the end of the thinned cutting edge to the outer peripheral end of the drill when viewed from the tip side of the drill, and a thinned surface formed by the thinned cutting edge is formed into an approximately parabolic shape inclined in a drill axis direction when viewed from the front side of the drill.
MX2014009460A 2012-02-06 2012-02-06 Drill. MX352882B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/052622 WO2012117809A1 (en) 2011-03-03 2012-02-06 Drill

Publications (2)

Publication Number Publication Date
MX2014009460A true MX2014009460A (en) 2015-03-19
MX352882B MX352882B (en) 2017-12-13

Family

ID=53491223

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2014009460A MX352882B (en) 2012-02-06 2012-02-06 Drill.

Country Status (1)

Country Link
MX (1) MX352882B (en)

Also Published As

Publication number Publication date
MX352882B (en) 2017-12-13

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