Improved foam-forming unit

B - Operations – Transporting – 05 – B

Patent

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Details

B05B 7/26 (2006.01) B05B 7/00 (2006.01) B05B 11/00 (2006.01)

Patent

CA 2515794

The invention provides a foam-forming unit, comprising: a mixing chamber (12) communicating with the outlet (14) of a pump (6, 8) for the purpose of mixing liquid and air, a dispensing part (22) provided with an outflow channel (24) with a foam opening (26) for dispensing foam, wherein the outflow channel is in communication with the mixing chamber (12), and a first foam-forming element (28) arranged in the outflow channel such that the foam flowing through the outflow channel passes through the foam-forming element (28) at least twice, wherein the dispensing part is further provided with a spout element (51) in which is located the final part of the outflow channel and the foam opening, and wherein the outflow channel comprises a cavity (32) after the first passage through the first foam-forming element, which cavity lies before the spout element as seen in flow direction.

L'invention concerne une unité de formation de mousse comprenant : une chambre de mélange (12) communiquant avec la sortie (14) d'une pompe (6, 8) afin de permettre le mélange d'un liquide et d'air, une partie de distribution (22) pourvue d'un canal d'écoulement (24) présentant un orifice de sortie de mousse (26) permettant de distribuer la mousse, le canal d'écoulement étant en communication avec la chambre de mélange (12), et un premier élément de formation de mousse (28) conçu dans le canal d'écoulement de telle sorte que la mousse s'écoulant par l'intermédiaire du canal d'écoulement traverse l'élément de formation de mousse (28) au moins deux fois, la partie de distribution étant également pourvue d'un élément verseur (51) dans lequel est située la partie finale du canal d'écoulement et l'orifice de sortie de mousse, le canal d'écoulement comprenant une cavité (32) située après le premier passage à travers le premier élément de formation de mousse, ladite cavité étant située avant l'élément verseur tel que vu dans le sens d'écoulement.

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