B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 81/00 (2006.01) B65D 85/804 (2006.01) A47J 31/06 (2006.01)
Patent
CA 2422681
The present invention relates to a closed cartridge (10), for extraction under pressure, comprising a dish (12) with a bottom (13) with a central part and a peripheral part and a side wall having substantially the shape of a frustum of a cone and a circular edge with a diameter greater at the bottom and a cover (15) welded to the periphery of the edge of the dish and the cover is intended to be torn only through the effect of the force of the extraction fluid when extraction starts, the said cartridge comprising, in the dish at the level of the bottom, a means (16) guaranteeing retention of the solid substance when it is opened, in which the means guaranteeing retention of solid substance is a sheet of fabric sealed in the bottom of the dish in two zones, on the one hand in the central part (17) and on the other hand in the peripheral part (18) of the said bottom (13).
L'invention concerne une cartouche fermée (10), pour extraction sous pression, qui consiste en une cuvette (12) ayant un fond (13) avec une partie centrale et une partie périphérique, ainsi qu'une paroi latérale ayant sensiblement la forme d'un tronc de cône et un bord circulaire dont le diamètre du fond est plus grand et un couvercle (15) soudé à la périphérie du bord de la cuvette, le couvercle étant conçu pour se rompre uniquement sous l'effet de la force du fluide d'extraction lorsque l'extraction commence. Ladite cartouche comporte, au fond de la cuvette, un moyen (16) qui assure la retenue de la substance solide lorsqu'elle est ouverte. Il s'agit d'une feuille de toile scellée au fond de la cuvette en deux zones, à la partie centrale (17) et à la partie périphérique (18) dudit fond (13).
Masek Petr
Riesterer Alain
Borden Ladner Gervais Llp
Societe Des Produits Nestle S.a.
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