Title:
DRILLING TOOL
Document Type and Number:
Japanese Patent JP2003053610
Kind Code:
A
Abstract:
To realize highly efficient deep hole boring by providing a drill of excellent chip discharging property as a deep hole boring tool.
The deep hole boring tool comprises a drill part, a conveyor part and a holding part. The drill part comprises a twist drill, and the conveyor part has a spiral conveyor of the diameter smaller than the drill diameter backward of the twist drill in the axial direction.
More Like This:
| JPS5695529 | BORING REAMER HAVING END MILL EDGE |
Inventors:
OMI SATOSHI
UEJIMA TAKASHI
DOI MINORU
UEJIMA TAKASHI
DOI MINORU
Application Number:
JP2001244144A
Publication Date:
February 26, 2003
Filing Date:
August 10, 2001
Export Citation:
Assignee:
HITACHI TOOL ENG
International Classes:
B23B51/02; (IPC1-7): B23B51/02
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