초록 ▼

A dispensing head for a squeeze dispenser is disclosed. The dispensing head includes a mixing chamber where pressurized air and pressurized fluid are mixed to produce a fine spray. A valved gasketing arrangement is used to control the flow of air into the container and out of the dispensing head, as

A dispensing head for a squeeze dispenser is disclosed. The dispensing head includes a mixing chamber where pressurized air and pressurized fluid are mixed to produce a fine spray. A valved gasketing arrangement is used to control the flow of air into the container and out of the dispensing head, as well as to control flow of liquid to the dispensing head and to prevent leakage when the dispenser is inverted. The dispensing head also includes a liquid flow control device. This device uses a spring-biased piston to shut off the liquid flow path when the liquid is not pressurized. The piston acts to seal off the liquid from the atmosphere, thus preventing drying or contamination of the liquid product. A collapsible bag is also disclosed for isolating the liquid in the container from the air in the container.

대표청구항 ▼

A dispensing unit for a fluid container partially filled with a liquid to be dispensed and partially filled with air comprising: a dispensing head, said dispensing head including two passageways and a dispensing orifice, said two passageways leading from an interior of said fluid container to said d

A dispensing unit for a fluid container partially filled with a liquid to be dispensed and partially filled with air comprising: a dispensing head, said dispensing head including two passageways and a dispensing orifice, said two passageways leading from an interior of said fluid container to said dispensing orifice, one of said passageways being for the passage of liquid and the other of said passageways being for the passage air, a piston, one of said passageways including said piston, an outlet opening and a biasing device, an end of said piston being biased by said biasing device to close said outlet opening; an upper venting member connected to the underside of said dispensing head, said upper venting member comprising at least one hole and at least one flap valve; and a lower venting member connected to the underside of said upper venting member, said lower venting member comprising at least one hole and at least one flap valve, said at least one hole on said upper venting member being aligned with said at least one flap valve on said lower venting member so as to allow air flow from one of said passageways to an interior of said fluid container, and said at least one flap valve on said upper venting member being aligned with said at least one hole on said lower venting member so as to allow air flow from the interior of said fluid container to the other of said passageways.