Global Patent Index - EP 4277765 A1

EP 4277765 A1 20231122 - MACHINING TOOL WITH A MULTIPART CUTTING HEAD

Title (en)

MACHINING TOOL WITH A MULTIPART CUTTING HEAD

Title (de)

ZERSPANUNGSWERKZEUG MIT MEHRTEILIGEM SCHNEIDKOPF

Title (fr)

OUTIL D'USINAGE DOTÉ D'UNE TÊTE DE COUPE À PLUSIEURS PARTIES

Publication

EP 4277765 A1 20231122 (DE)

Application

EP 21722390 A 20210423

Priority

EP 2021060627 W 20210423

Abstract (en)

[origin: WO2022223127A1] The invention relates to a tool blank (30) for a machining tool (1), such as a milling cutter, drill, or graver for example, comprising a tool shaft (2) which is designed to be received in a rotating tool receiving area of a working machine and comprising a cutting head blank (3) which is rigidly connected to the tool shaft (2). The cutting head blank (3) comprises multiple cutting head blank elements (5) which are rigidly connected together, preferably cutting head blank elements which are soldered together, and which are made of an extremely hard material, such as polycrystalline diamond in particular. The invention additionally relates to a machining tool (1), such as a milling cutter, drill, or graver for example, in which at least one tool blade (15) that extends over a plurality of cutting head blank elements of the cutting head blank elements (5) rigidly connected to one another is attached to a tool blank (30) according to the invention. The invention additionally relates to a method for producing a tool blank and to a method for producing a machining tool.

IPC 8 full level

B23P 15/28 (2006.01); B23B 27/00 (2006.01); B23B 51/00 (2006.01); B23C 5/00 (2006.01); B23F 21/00 (2006.01); B23G 5/00 (2006.01); B25D 17/02 (2006.01)

CPC (source: EP)

B23B 51/00 (2013.01); B23C 5/10 (2013.01); B23P 15/28 (2013.01); B24D 5/066 (2013.01); B24D 99/005 (2013.01); B23B 2226/125 (2013.01); B23B 2226/31 (2013.01); B23B 2226/315 (2013.01); B23B 2240/08 (2013.01); B23C 2226/125 (2013.01); B23C 2226/31 (2013.01); B23C 2226/315 (2013.01); B23C 2240/08 (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

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

WO 2022223127 A1 20221027; CA 3214022 A1 20221027; EP 4277765 A1 20231122; JP 2024514949 A 20240403

DOCDB simple family (application)

EP 2021060627 W 20210423; CA 3214022 A 20210423; EP 21722390 A 20210423; JP 2023564653 A 20210423