Global Patent Index - EP 3899081 B1

EP 3899081 B1 20220615 - METHOD FOR MANUFACTURING A CORE

Title (en)

METHOD FOR MANUFACTURING A CORE

Title (de)

VERFAHREN ZUR HERSTELLUNG EINES KERNS

Title (fr)

PROCEDE DE FABRICATION D'UN NOYAU

Publication

EP 3899081 B1 20220615 (FR)

Application

EP 19848898 A 20191220

Priority

  • FR 1873958 A 20181221
  • FR 2019053241 W 20191220

Abstract (en)

[origin: WO2020128391A1] The invention relates to a method for manufacturing a core (1) for producing a leading edge of a fan blade. The method comprises the steps of: (a) providing an initial core (11) made of a nickel-base alloy, (b) thermal spraying of a layer (12) of a cobalt-base alloy, comprising chromium and at least one element of tungsten and/or molybdenum, on the initial core.

IPC 8 full level

C23C 4/06 (2016.01); C23C 4/073 (2016.01); C23C 4/08 (2016.01); C23C 4/129 (2016.01); C23C 4/131 (2016.01); C23C 4/134 (2016.01); C23C 4/18 (2006.01)

CPC (source: EP US)

C23C 4/06 (2013.01 - EP); C23C 4/073 (2016.01 - EP); C23C 4/08 (2013.01 - EP US); C23C 4/129 (2016.01 - EP); C23C 4/131 (2016.01 - EP); C23C 4/134 (2016.01 - EP); C23C 4/18 (2013.01 - EP US); C23C 4/129 (2016.01 - US); C23C 4/134 (2016.01 - US)

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

DOCDB simple family (publication)

WO 2020128391 A1 20200625; CN 113260731 A 20210813; CN 113260731 B 20230728; EP 3899081 A1 20211027; EP 3899081 B1 20220615; FR 3090427 A1 20200626; FR 3090427 B1 20231110; US 2022064776 A1 20220303

DOCDB simple family (application)

FR 2019053241 W 20191220; CN 201980084161 A 20191220; EP 19848898 A 20191220; FR 1873958 A 20181221; US 201917416139 A 20191220