B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
222/54, 226/7
B65D 83/62 (2006.01) B65B 31/00 (2006.01)
Patent
CA 2037055
A B S T R A C T : The invention concerns a method for filling compressed gas packages, aswell as the compressed gas packages themselves, which consist of a casing (1) which contains a pressure medium and of at least one flexible bag (2) located therein which is used for holding the substance to be inserted, whereby the inside of the flexible bag (2) is sealed by means of a valve (6) which is placed in the area of the orifice (4) of the casing (1). In order to further improve the above method as well as the accompanying compressed gas package to the extent that not only any pressure medium desired, in particular air, can be used, but also conventional commercial containers, and the entire filling operation can be carried out in a comparatively short time and, as a result, at correspondingly slight expense, it is proposed by the invention that the flexible bag (2) be mounted in the casing (1) in such a way that there is a space (5) between the bag's opening edge (3) and the orifice (4) of the casing (1), that the pressure medium is inserted through the space (5) between the opening edge (3) of the bag (2) and the orifice (4) of the casing (1), that the opening edge (3) of the bag (2) together with the valve (6) is tightly sealed with the orifice (4) of the casing (1), that the valve (3)[sic] is operated to evacuate the interior of the bag (2) and that, after the valve (6) is again operated, the contents are filled into the bag (2) under pressure. To evacuate the bag (2) interior, a vacuum is attached to it. The flexible bag (2) is made like a bellows in such a way that its folds fold inward (Figure 1).
Fetherstonhaugh & Co.
Hirsch Anton
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