Payment card dynamically receiving power from external source

Details Payment card dynamically receiving power from external source Payment card dynamically receiving power from external source

G - Physics

06

K

G06K 19/07 (2006.01) H02J 17/00 (2006.01)

Patent

CA 2681322

A plastic bag comprising a first face and a second face, at least a portion of each being 2-ply and having an intermediate space therebetween, the 2-ply portion of the first face having an inner layer of air-impervious plastic material having openings therein; the 2-ply portion of the second face having an outer layer of air-impervious plastic material, the outer layer having openings therein permitting air to pass therethrough, the openings of the outer layer having a smaller average opening area than an average opening area of the openings of the inner layer of the first face; and a filtering chamber formed between the inner layer and the outer layer such that air in an interior of the bag may egress the bag by passing through the filtering chamber, the air being at least partially filtered of particulate matter as it egresses the bag.

Un sac en plastique comprend une première face et une seconde face, dont au moins une partie présente deux plis séparés par un espace intermédiaire. La partie à deux plis de la première face possède une couche intérieure en matière plastique étanche à l'air munie d'ouvertures, et la partie à deux plis de la seconde face possède une couche extérieure en matière plastique étanche à l'air munie d'ouvertures permettant le passage de l'air. La zone d'ouverture moyenne des ouvertures de la couche extérieure est plus petite que celle des ouvertures de la couche intérieure de la première face. Ledit sac en plastique comprend également une chambre de filtration qui se trouve entre la couche intérieure et la couche extérieure, et ladite chambre permet à l'air contenu dans le sac de s'échapper tout en étant totalement ou partiellement filtré pour le débarrasser de sa matière particulaire.

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