Patent ID: 8360282

Claim:
A foam-forming assembly for forming a foam, comprising: a housing having an air passage and a liquid passage, wherein one of the air passage and the liquid passage ends in a first mouth and the other of the air passage and liquid passage ends in two or more second mouths, and wherein the air passage and the liquid passage are in communication with a dispensing passage which ends in a dispensing opening, and a valve body which, in a rest position, covers the first mouth and the two or more second mouths in a sealing manner in order to prevent a flow from the liquid passage and the air passage to the dispensing passage, and which, during dispensing, opens the first mouth and the two or more second mouths in order to allow mixing of air and liquid to take place in the dispensing passage, wherein the shape of the first mouth is annular, said first mouth having a longitudinal axis projecting through a center of said first mouth, and wherein the two or more second mouths and two or more entry ports of the dispensing passage are provided at radially equal distances from the longitudinal axis, and wherein between each two second mouths an entry port of the dispensing passage is provided, and wherein between the first mouth at one side and the two or more second mouths and the two or more entry ports at the other side an annular sealing surface is provided, against which, in rest position, the valve body sealingly engages, and wherein during dispensing the valve body becomes detached from the sealing surface such that the first mouth, the two or more second mouths and the entry ports of the dispensing passage substantially simultaneously come in fluid communication with each other.