초록 ▼

This foam dispensing device intended for use in the inverted position includes a container for holding foamable liquid and having a foam producing unit mounted in the discharge port. The foam producing unit includes a closure having separate air inlet and foam outlet openings. An elongate air return

This foam dispensing device intended for use in the inverted position includes a container for holding foamable liquid and having a foam producing unit mounted in the discharge port. The foam producing unit includes a closure having separate air inlet and foam outlet openings. An elongate air return tube having a one-way valve is connected to the air inlet and a foam producing system is provided having an elongate air supply tube.

대표청구항 ▼

A foam dispenser device, comprising: (a) a container for holding foamable liquid having a discharge port and a bottom, and (b) a foam producing unit mounted to the container and separating the area adjacent the discharge port and the interior of the container, said foam producing unit including: (1.

A foam dispenser device, comprising: (a) a container for holding foamable liquid having a discharge port and a bottom, and (b) a foam producing unit mounted to the container and separating the area adjacent the discharge port and the interior of the container, said foam producing unit including: (1.) a closure means for the container having air inlet means and foam outlet means, (2.) air return means communicating with the air inlet means and including an elongate, inwardly extending conduit having an opening communicating with the interior of the container, (3.) valve means closing the air return means when pressure is applied to the container and opening the air return when the pressure applied to the container is relieved, (4.) foam producing means communicating with the foam outlet means and including an elongate inwardly extending conduit having an opening communicating with the interior of the container said foam producing means further including at least one additional opening communicating with the interior of the container, and (5.) the air return conduit and the foam producing means conduit being of a length so that when the container is inverted the openings of each conduit communicating with the interior of the container are disposed in the air space adjacent to the container bottom whereby foam may be dispensed when the container is in the inverted position.