EP 3229999 A1 20171018 - DRILLING TOOL
Title (en)
DRILLING TOOL
Title (de)
BOHRWERKZEUG
Title (fr)
OUTIL DE PERÇAGE
Publication
Application
Priority
- DE 102014225320 A 20141209
- EP 2015073513 W 20151012
Abstract (en)
[origin: WO2016091431A1] The invention relates to a drilling tool, in particular a metal drilling tool, comprising at least one groove, in particular a spiral-shaped groove, which runs about an axis of the drilling tool, and comprising an end region with at least one end surface and at least one main cutting element, which is formed between at least one cutting surface of the groove and the at least one end surface. The at least one groove has at least one recess next to the end region, in particular adjacent to the end region, in particular the at least one end surface. According to the invention, the recess is formed in the at least one groove using a deformation method.
IPC 8 full level
B23B 51/02 (2006.01); B21H 3/10 (2006.01); B21K 5/02 (2006.01); B23P 15/32 (2006.01)
CPC (source: CN EP)
B21K 5/04 (2013.01 - CN EP); B23B 51/02 (2013.01 - CN EP); B23B 2251/406 (2013.01 - CN EP)
Citation (search report)
See references of WO 2016091431A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 102014225320 A1 20160609; DE 102014225320 B4 20180503; CN 107000073 A 20170801; CN 107000073 B 20191217; EP 3229999 A1 20171018; WO 2016091431 A1 20160616
DOCDB simple family (application)
DE 102014225320 A 20141209; CN 201580066868 A 20151012; EP 15777967 A 20151012; EP 2015073513 W 20151012