B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 35/52 (2006.01) B65D 1/32 (2006.01) B65D 47/08 (2006.01) B65D 47/20 (2006.01) B65D 51/16 (2006.01)
Patent
CA 2089458
In a system comprising a container and a liquid contained therein that builds up a gas or vapour pressure, a sealing valve having a concave shaped portion and a slit extending through said portion, allows venting of the vapour from the container to the ambient at a predetermined vapour threshold pressure. The vapour threshold pressure at which the slit opens for venting can be adjusted by valve restraining means which are preferably formed by a protrusion at the inside of a cap covering the sealing valve. The vapour threshold pressure at which venting takes place, can to a large extent be adjusted without affecting the dispensing characteristics of the valve.
La présente invention a pour objet un contenant pour liquide sous pression doté d'une soupape d'évent de forme concave et dotée d'une fente pour assurer la mise à l'air libre de l'excès de pression accumulé à l'intérieur du contenant au-delà d'une valeur de pression prédéterminée. La valeur limite de pression provoquant l'ouverture de la fente pour la mise à l'air libre de l'excès de pression peur être réglée à partir d'une protubérance logée à l'intérieur du capuchon recouvrant la soupape. La valeur limite d'ouverture de la soupape d'évent peut, dans une large mesure, être réglée sans incidence sur les caractéristiques de fonctionnement de la valve de distribution.
Bilani Nadi
Declerck Johan Willy
Hoernaert Jorgen
Gowling Lafleur Henderson Llp
The Procter & Gamble Company
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