Filter

Details Filter Filter

A - Human Necessities

47

J

A47J 31/08 (2006.01) A47J 31/02 (2006.01)

Patent

CA 2166999

Primarily a pair of substantially fan-shaped filter sheets are laid one upon another and bonded to each other at least in the proximity of their side edges to obtain a basic filter 4 adapted to form a bag having a circular opening as arc-shaped outer edges 24A, 24B of these filter sheets, wherein a pair of substantially crescent-shaped flap sheets 6 are bonded along their arc-shaped edges to said basic filter 4 along their arc-shaped outer edges 24A, 24B to obtain a filter 1 provided with a pair of pockets 8 openable downwardly of the filter 1.

Dans un corps de filtre (4) formé par superposition de deux feuilles de filtre sensiblement en forme d'éventail, par liaison de ces feuilles, au moins au niveau des parties se trouvant à proximité des bords latéraux de celles-ci, et par séparation des bords bombés (24A, 24B) des ces feuilles de sorte qu'un sac porteur à ouverture circulaire soit formé, les parties bombées des feuilles sensiblement semi-circulaires (6) sont liées à ces bords bombés (24A, 24B), le long de ces derniers, de sorte que des poches (8) pouvant être ouvertes vers le bas soient formées sur un filtre (1).

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