Global Patent Index - EP 1048259 A1

EP 1048259 A1 2000-11-02 - Device for drawing off particles by suction

Title (en)

Device for drawing off particles by suction

Title (de)

Vorrichtung zum Absaugen von Partikeln

Title (fr)

Appareil d'aspiration de particules

Publication

EP 1048259 A1 (FR)

Application

EP 00401051 A

Priority

FR 9905129 A

Abstract (en)

Vacuuming apparatus (1a) comprises storing housing (2) linked, via conduit (9), to filtration housing (3a) that is linked to vacuuming device (4). Filtration housing comprises second (12) and third (13) filters, second one is made of foam with opened ce and third one is sheet of paper. Starting vacuuming device creates depression on two housings so that air is sucked through free end (10) of conduit (7), an extracted (16) through evacuation outlet (11) with air (14, 15) passing through first filter (8) and filtration housing comprisi second and third filters.

Abstract (fr)

La présente invention concerne un appareil d'aspiration (1a, 1b, 1c) de particules, comprenant une enceinte (2) de stockage, destinée au stockage de particules aspirées, munie d'une première ouverture (5) à laquelle est connectée une gaine (7) d'aspiration et d'une deuxième ouverture (6) protégée par un premier filtre (8) constitué par une grille et utilisée pour mettre ladite enceinte en dépression, les deux ouvertures étant disposées sur la partie supérieure de ladite enceinte, se caractérisant en ce qu'il comprend une enceinte filtrante (3a, 3b) comprenant au moins dans sa partie inférieure une mousse (12) à cellules ouvertes constituant un deuxième filtre en trois dimensions, reliée à la deuxième ouverture (6) de l'enceinte de stockage, et un dispositif d'aspiration (4), relié à la partie supérieure de l'enceinte de filtration (3a, 3b) permettant de mettre en dépression l'enceinte de stockage (2) et l'enceinte filtrante (3a, 3b) de telle sorte que, lors de la mise en marche du dispositif d'aspiration, l'air soit aspiré par l'extrémité libre (10) de la gaine (7) d'aspiration, et traverse successivement le premier filtre (8), la mousse à cellules ouvertes (12) et un troisième filtre constitué d'une feuille de papier (13) et disposé dans l'enceinte de filtration (3a, 3b) au-dessus du deuxième filtre ou à l'entrée du dispositif de d'aspiration, la succession du premier, deuxième et troisième filtre permettant d'arrêter des particules de tailles décroissantes, pour être ensuite expulsé par une sortie (11) d'évacuation du dispositif d'aspiration (4). <IMAGE>

IPC 1-7 (main, further and additional classification)

A47L 7/00; A47L 9/10

IPC 8 full level (invention and additional information)

A47L 7/00 (2006.01); A47L 9/10 (2006.01)

CPC (invention and additional information)

A47L 9/102 (2013.01); A47L 5/365 (2013.01); A47L 9/122 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1048259 A1 20001102; EP 1048259 B1 20080123; AT 384467 T 20080215; DE 60037849 D1 20080313; FR 2792518 A1 20001027; FR 2792518 B1 20010713

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