Global Patent Index - EP 3229999 A1

EP 3229999 A1 2017-10-18 - DRILLING TOOL

Title (en)

DRILLING TOOL

Title (de)

BOHRWERKZEUG

Title (fr)

OUTIL DE PERÇAGE

Publication

EP 3229999 A1 (DE)

Application

EP 15777967 A

Priority

  • DE 102014225320 A
  • EP 2015073513 W

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 (invention and additional information)

B23B 51/02 (2006.01); B21H 3/10 (2006.01); B21K 5/02 (2006.01); B23P 15/32 (2006.01)

CPC (invention and additional information)

B23B 51/02 (2013.01); B21K 5/04 (2013.01); B23B 2251/406 (2013.01)

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

EPO simple patent family

DE 102014225320 A1 20160609; CN 107000073 A 20170801; EP 3229999 A1 20171018; WO 2016091431 A1 20160616

INPADOC legal status


2017-10-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20170710

2017-10-18 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): 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

2017-10-18 [AV] REQUEST FOR VALIDATION OF THE EUROPEAN PATENT IN

- Countries: MA

2017-10-18 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Countries: BA ME