B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 81/00 (2006.01)
Patent
CA 2291234
The invention relates to a closed flexible sachet (11) in the form of an individual portion provided for extraction under pressure, containg ground roast coffee (41), consisting of two identical flexible sheets or of a single folded flexible sheet of circular, oval or polygonal shape, creating a space for the coffee between the two sheets or between the two faces of the folded sheet (11), and the two sheets or the two faces of the folded sheet are welded over their periphery (20, 44) so that the said sachet is substantially symmetrical with respect to its welding plane, and the sachet is opened through the effect only of the rise in pressure which takes place upon injection of the extraction fluid, in which the two flexible sheets or the two faces of the folded sheet extend over one side of the said sachet beyond their welding line so as to provide, between the said sheets or between the two faces of the folded sheet, a channel (15) which allows the arrival of the extraction fluid, the said channel being substantially perpendicular to the welding line (44) on which it emerges.
L'invention concerne un sachet souple fermé (11), se présentant sous la forme d'une partie individuelle conçue pour extraction sous pression, contenant du café (41) torréfié moulu. Ledit sachet est constitué de deux feuilles identiques souples ou d'une seule feuille souple pliée, de forme ovale ou polygonale créant un espace pour le café entre les deux feuilles ou entre les deux faces de la feuille pliée (11), les deux feuilles ou les deux faces de la feuille pliée étant soudées autour de leur périphérie (20, 44) de sorte que ledit sachet est sensiblement symétrique à son plan de soudage. Le sachet est ouvert sous le seul effet de l'augmentation de la pression obtenue par injection du fluide d'extraction. Les deux feuilles souples ou les deux faces de la feuille pliée s'étendent sur un côté du sachet au-delà de leurs lignes de soudages de façon à obtenir un canal entre les feuilles ou entre les deux faces de la feuille pliée, lequel canal (15) permet l'arrivée du fluide d'extraction. Ledit canal est sensiblement perpendiculaire à la ligne de soudage (44) sur laquelle il débouche.
Mariller Alain
Yoakim Alfred
Borden Ladner Gervais Llp
Societe Des Produits Nestle S.a.
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