264 results about "Foam pump" patented technology

A foam pump having a flexible member for engagement with a dispenser, the pump being part of a refill unit including a product reservoir. The flexible connecting member extends from an extreme end of the pump and is received by an actuating carriage that is movably connected to an actuating mechanism. The flexible connecting member permits insertion of the pump into a dispenser, and may act to dampen actuating forces to reduce foam shearing. The flexible connecting member may be provided in the form of a flared tip that is received through an oval opening in the product dispenser, and the pump may include a locking member to prevent unwanted actuation thereof during insertion of the refill unit into the dispenser.

A soap dispenser can be configured to dispense an amount of foam soap, for example, upon detecting the presence of an object. The dispenser can also include a gear-type pump that mixes air with liquid soap to create foamed pump. The dispenser can also include two pumps, one pump to feed liquid pump to a second pump that is configured to mix air with liquid soap to thereby create foamed soap. The dispenser can include a reservoir in its discharge passage to reduce unwanted dripping of foam soap or the liquid remains of foam soap, from a foam soap outlet.

A self contained viscous liquid dispenser with a foaming pump mechanism includes a housing defining an internal liquid reservoir. A foaming pump mechanism is configured with the housing and includes a horizontally disposed pump chamber fitted through an opening in the housing to extend into the reservoir. A pump cylinder is slidably disposed and retained in the chamber. Actuation of the pump cylinder results in a liquid / air mixture within the pump chamber being pressurized and dispensed from the chamber as a foam.

A foam dispenser comprises a housing having an opening, a fluid reservoir placed in the opening of the housing, a plug connected to the fluid reservoir in the opening, and a foam pump, comprising an air pump, a fluid pump, a closable supply to the air pump, a nozzle, and a movable operating part, wherein the foam pump dispenses a quantity of foam through the nozzle upon actuation of the operating part in a direction of pumping, wherein the foam pump and the fluid reservoir are combined into a removable storage holder. The foam dispenser comprises a coupling piece connected to the foam pump, with which the removable storage holder is fastened to the housing.

A bifurcated stem foam pump for use in foam dispensers. An air compressor portion of the bifurcated pump is attached to and maintained as a portion of the dispenser housing. A portion of the pump for transferring liquid and including a portion for generating foam is sealingly attached to and provided as a portion of a replaceable liquid-containing cartridge in the foam dispenser. The two portions mate and form a completed pump assembly operative for generating foam from the liquid of the cartridge when the cartridge is placed within the dispenser housing and the two pump portions are mated. The air compressor portion includes a collar having an air piston reciprocatingly received therein. The collar is attached to the dispenser housing. A collar receiving a hollow stem pump is attached to the liquid cartridge. Actuation of the air piston correspondingly actuates the stem pump such that air and liquid are forced together in the stem pump and through a foam generating member.

Foaming cartridge for use with a foam pump, refill unit or foam dispenser includes a housing and a foaming stage disposed within the housing. The foaming stage includes two or more mix media located within the foaming stage. At least two of the mix media are sponges and the sponges have different porosities.

A manually operated liquid foaming dispenser is attached to the top of a container of liquid and is manually reciprocated to dispense the liquid from the container as a foam. The dispenser includes a liquid pump chamber and an air pump chamber that respectively pump liquid and air under pressure to a discharge passage of the pump where the liquid and air are mixed, generating the foam dispensed from the dispenser. The air pump chamber has a tube valve controlling the discharge of air from the air pump to the discharge passage, and the air pump chamber is charged with air by opening the air pump chamber to the exterior environment of the dispenser.

The invention relates to a foam pump, which is used to absorb liquid in a container and make the liquid spray out foam from a nozzle. The shell is composed of a pressure head, a screw cap and a cylinder. The shell includes a pressure head, an air valve, a main column, Large piston, screw cap, connecting rod, small piston, cylinder, spring and valve. There is a network pipe between the pressure head and the air valve, and the spring is provided between the main column and the base of the cylinder. Among them: a network pipe extends into the pressure head sleeve from below Inside, the lower end of the network pipe communicates with the air valve, and at least a filter screen is provided at the entrance of the network pipe; the air valve is a tubular structure, and the middle part is provided with a circular ring with a downward peripheral edge and a convex edge, and the pressure head is against the top of the circular ring. An air inlet groove is arranged on the inner wall of the ring, and an exhaust groove is arranged on the inner wall of the tube below the air valve. Because the spring is placed in the air chamber of the cylinder, it prevents it from contacting with chemical materials and prevents the spring from rusting; and because the large and small pistons can be unlinked, it provides sealing, and the design of the network tube makes the sprayed foam more uniform.