Global Patent Index - EP 4061577 A1

EP 4061577 A1 20220928 - FLOW LAPPING DEVICE FOR SMOOTHING A SURFACE OF A WORKPIECE

Title (en)

FLOW LAPPING DEVICE FOR SMOOTHING A SURFACE OF A WORKPIECE

Title (de)

FLIESSLÄPPVORRICHTUNG ZUM GLÄTTEN EINER FLÄCHE EINES WERKSTÜCKES

Title (fr)

DISPOSITIF DE RODAGE À ÉCOULEMENT POUR LE LISSAGE D'UNE SURFACE D'UNE PIÈCE À TRAVAILLER

Publication

EP 4061577 A1 20220928 (DE)

Application

EP 20810889 A 20201117

Priority

  • DE 102019131050 A 20191118
  • EP 2020082409 W 20201117

Abstract (en)

[origin: WO2021099319A1] The invention relates to a flow lapping device for smoothing at least one surface of at least one workpiece (11), preferably an impeller, by means of an abrasive fluid (26), comprising at least one holding device (10) for holding the workpiece (11), in particular at least one holding plate, and at least one encasing device (12) which is arranged about the holding device (10) and within which the fluid can flow, wherein the holding device (10) is supported, in particular fixed, at least partly by at least one inner wall section (19) of the encasing device (12).

IPC 8 full level

B24B 31/00 (2006.01); B24B 31/116 (2006.01)

CPC (source: EP US)

B24B 19/14 (2013.01 - US); B24B 31/003 (2013.01 - EP US); B24B 31/116 (2013.01 - EP US)

Citation (search report)

See references of WO 2021099319A1

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 102019131050 A1 20210520; CN 114728398 A 20220708; EP 4061577 A1 20220928; US 2022388110 A1 20221208; WO 2021099319 A1 20210527

DOCDB simple family (application)

DE 102019131050 A 20191118; CN 202080080001 A 20201117; EP 2020082409 W 20201117; EP 20810889 A 20201117; US 202017774565 A 20201117