Device for storing and squeezing out free-flowing compositions

Details Device for storing and squeezing out free-flowing compositions Device for storing and squeezing out free-flowing compositions

B - Operations, Transporting

65

D

B65D 81/32 (2006.01) B01F 13/00 (2006.01) B65D 35/24 (2006.01)

Patent

CA 2296683

A device for expressing free-flowing compositions is presented having a cylindrical container (1) for accommodating a free-flowing component (2), two axially displaceable pistons (3) and (4) designed to close the cylindrical container, and a material outlet opening (5) at the lower end of the cylinder wall. The material outlet opening only releases the flow of the component (2) after the piston (4) has been moved past the material outlet opening into the end position (4') by the expressing pressure. The device can be used with a conventional applicator for one-component adhesives, sealants or coating materials to provide the addition of a second component.

L'invention concerne des dispositifs pour exprimer des compositions coulantes par compression, qui ne libèrent le flux d'au moins un constituant que par la pression exercée sur lui, en vue de son expression. Ces dispositifs comprennent au moins un récipient cylindrique (1) destiné à recevoir le constituant (2) coulant et pouvant être obturé par deux pistons (3, 4) déplaçables dans le sens axial et qui présente à l'extrémité inférieure de la paroi cylindrique, un orifice de sortie de matière (5), qui ne libère le flux du constituant (2) coulant, qu'après déplacement du piston (4) inférieur en position finale (4'), sous l'effet de la pression d'expression exercée, en passant par-dessus l'orifice de sortie de matière (5). Dans un mode de réalisation préféré, ce dispositif s'utilise pour exprimer de manière spatialement séparée et synchrone deux constituants coulants ou plus, ledit dispositif comprenant au moins un récipient cylindrique du type mentionné.

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