Title:
【発明の名称】冷却潤滑剤通路を有するドリル
Document Type and Number:
Japanese Patent JPH11508829
Kind Code:
A
Abstract:
A drill is disclosed with a least one central channel for cooling-lubricant oil feed. The drill has a shaft with at least one flute extending in a spiral around the shaft axis. The oil, fluid, and gas is fed to the point of application of the drill through lateral outlet apertures which are joined to the at least one oil channel by connecting channels.
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Inventors:
Dirk Kammermeier
Bernhard Borschert
Bernhard Borschert
Application Number:
JP50627197A
Publication Date:
August 03, 1999
Filing Date:
July 13, 1996
Export Citation:
Assignee:
Kennametal Hertel Akchen Gesellschaft Werkzweigend Hartstoffe
International Classes:
B23B51/06; B23Q1/00; B23Q11/10; (IPC1-7): B23B51/06; B23Q11/10
Attorney, Agent or Firm:
Toshio Yano (3 outside)