CHISEL HOLDER FOR A DRILLING TOOL

Title:

CHISEL HOLDER FOR A DRILLING TOOL

Document Type and Number:

WIPO Patent Application WO/2015/121344

Kind Code:

A3

Abstract:

The invention relates to a chisel holder (20) for a drilling tool, said chisel holder, in a portion adjacent to the drill bit, having a lateral face (22) which is remote from a rotational axis (DA) of the drilling tool. Wear optimization of such a tool system can be achieved by a chisel holder the lateral face (22) of which is at least partly covered by a wear protection plate (23).

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Inventors:

HOFMANN GERHARD (DE)
KERN JOCHEN (DE)

Application Number:

PCT/EP2015/052953

Publication Date:

January 14, 2016

Filing Date:

February 12, 2015

Export Citation:

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Assignee:

BETEK GMBH & CO KG (DE)

International Classes:

E21B10/50

Foreign References:

US20100071961A1	2010-03-25
US20120080237A1	2012-04-05

Attorney, Agent or Firm:

FLECK, H.-J. (Vaihingen/Enz, DE)

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