Global Patent Index - EP 4355456 A1

EP 4355456 A1 20240424 - AIR FILTER DEVICE

Title (en)

AIR FILTER DEVICE

Title (de)

LUFTFILTERVORRICHTUNG

Title (fr)

DISPOSITIF DE FILTRE À AIR

Publication

EP 4355456 A1 20240424 (EN)

Application

EP 22733445 A 20220616

Priority

  • SE 2150784 A 20210617
  • EP 2022066506 W 20220616

Abstract (en)

[origin: WO2022263606A1] A bag (1) for a filter for filtration of particles in a gas flow, wherein the bag (1) comprises: a tubular outer layer (2) comprising a first end portion (3) and an opposite second end portion (4), and a tubular inner layer (5) configured to extend inside the tubular outer layer (2) from an open end portion (6) of the tubular inner layer (5) at the second end portion (4) of the tubular outer layer (2) at least partly along an extent of the tubular outer layer (2), to a closed end portion (7) of the tubular inner layer (5), wherein the tubular outer layer (2) is connected to the open end portion (6) of the tubular inner layer (5), and wherein the tubular inner layer (5) and the tubular outer layer (2) are shaped and sized such that a circumferential space (8) is formed between the tubular inner layer (5) and the tubular outer layer (2).

IPC 8 full level

B01D 46/00 (2022.01); B01D 46/02 (2006.01)

CPC (source: EP SE)

A47L 9/14 (2013.01 - SE); B01D 46/0005 (2013.01 - EP); B01D 46/02 (2013.01 - EP SE)

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 2022263606 A1 20221222; EP 4355456 A1 20240424; SE 2150784 A1 20221218; SE 544959 C2 20230207

DOCDB simple family (application)

EP 2022066506 W 20220616; EP 22733445 A 20220616; SE 2150784 A 20210617