Global Patent Index - EP 3894622 B1

EP 3894622 B1 20230125 - JET SUCTION BOX AND JET SUCTION METHOD

Title (en)

JET SUCTION BOX AND JET SUCTION METHOD

Title (de)

STRAHLSAUGKASTEN UND STRAHLSAUGVERFAHREN

Title (fr)

CAISSE D'ASPIRATION DE JET ET PROCÉDÉ D'ASPIRATION DE JET

Publication

EP 3894622 B1 20230125 (DE)

Application

EP 19827636 A 20191209

Priority

  • DE 202018107163 U 20181214
  • EP 2019084271 W 20191209

Abstract (en)

[origin: WO2020120412A1] The invention relates to a jet suction method and a jet suction box (14) for a suctioning apparatus (6) of a device (1) for water jet consolidation of a fibrous material web (2). The hollow jet suction box (14) sucks in the liquid jets (4) emitted by the device (1) for water jet consolidation and issuing from the fibrous material web (2) again, wherein the box casing (18) thereof has arranged therein at least one slot-like casing opening (20) which leads to its box interior (17). The jet suction box (14) has on its box casing (18) at least one nozzle attachment (24) which is arranged above the casing opening (20) and which has a slot-like suction opening (25) with a width increasing constantly towards the box interior (17) and towards the casing opening (20), wherein the width of the casing opening (20) is equal to or greater than the outlet-side width of the suction opening (25).

IPC 8 full level

D04H 18/04 (2006.01); D06B 15/04 (2006.01)

CPC (source: EP US)

D04H 18/04 (2013.01 - EP US); D06B 15/043 (2013.01 - US); D06B 15/043 (2013.01 - EP)

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)

DE 202018107163 U1 20200313; CN 113166998 A 20210723; CN 113166998 B 20230228; EP 3894622 A1 20211020; EP 3894622 B1 20230125; JP 2022513825 A 20220209; US 11767624 B2 20230926; US 2022025563 A1 20220127; WO 2020120412 A1 20200618

DOCDB simple family (application)

DE 202018107163 U 20181214; CN 201980082353 A 20191209; EP 19827636 A 20191209; EP 2019084271 W 20191209; JP 2021533707 A 20191209; US 201917413380 A 20191209