Vca, Inc.

Wolf Steiman

Steven W Beres

A squeeze bottle dispenser having a puff-type spray discharge characteristic. The bottle comprises a container having a flexible wall portion adapted to be squeezed in the hand of the user, a discharge nozzle, and a spring-urged check valve controlling flow to the nozzle. The valve includes a hollow valve housing with an annular valve seat, a ball-check engageable with the seat so as to seal the same, and a spring which normally biases the ball against the seat to seal the container and prevent leakage of its contents. The arrangement is such that when the container wall is squeezed, the ball-check initially prevents fluid from entering the valve housing until a predetermined pressure in the container has been attained, after which the spring yields somewhat, resulting in a sudden impulse or puff-type discharge through the nozzle. Means are provided for rapidly venting air into the dispenser following discharge, in order to relieve the vacuum therein, thus immediately readying the dispenser for subsequent actuation.

Puff-discharge squeeze bottle

A dispenser of the hand-held type for discharging fluid under pressure, comprising a container having an open top end, and a valve assemblage which is received in the open end and secured in place by means of a crimped ferrule. The container has a circular rim surrounding the opening, together with an annular external shoulder immediately adjacent the rim. The valve assemblage includes a valve housing defining a valve chamber, a resilient valve seat which constitutes one end of the chamber, and a movable valve stem having a longitudinal opening and transverse side passage adapted to communicate with the chamber when the stem is depressed. The housing further includes an annular mounting flange which engages and rests upon the rim of the container, and a depending skirt which bears against inner wall portions of the container, all to form a leakproof seal therewith. The ferrule extends over the annular mounting flange of the valve housing and is crimped onto the external shoulder of the container. The arrangement is such that only a single crimping operation is employed, instead of the two previously required in the fabrication of conventional can-type, valved dispensers.

Aerosol dispenser construction

A small hand-held dispenser of the pump variety, comprising a container and a cooperable dispenser pump construction adapted to be carried by the container. The pump per se is secured therein by means of a unique plastic closure which is in the form of an inverted, dish-shaped member. The closure has relatively thin walls enabling it to be readily molded, and has a depending peripheral flange with an internal bead which is forced over an external shoulder on the rim of the container so as to effect a snap fit therewith. In one embodiment, the flange has a depending portion which extends downward a substantial distance beyond the location of the internal bead, so as to minimize the likelihood of the flange being cracked either during or after the forced bypass of the bead and container shoulder. The plastic closure not only securely mounts the pump assemblage, but also effects a leak-proof connection with the container while at the same time simplifying the assembly operations and tooling.

Hand-held dispenser pump construction

An aerosol dispenser of the hand-held type, comprising a can which contains a flexible, collapsible bag having the substance to be discharged. A valve on the can communicates with the bag to effect the discharge. In the can a spring engages a wall portion of the bag, tending to collapse the same, and there are manually operable means including a finger piece for varying the force applied by the spring to the bag as the contents of the latter are gradually depleted whereby the rate of discharge of the spray can be maintained more nearly constant regardless of the quantity of substance occupying the bag at any particular time.

Spring-charged aerosol dispenser

A hand-held pump dispenser comprising a container having a neck portion, a pump assemblage including a piston and a tubular stationary cylinder member, the latter being adapted for disposition in the neck portion, and a resilient press-fit adapter carrying the cylinder member of the pump assemblage and arranged for insertion in the neck portion so as to make a tight press fit therewith. Interlocking means are provided on the cylinder member and on the adapter for enabling the latter to be snapped onto the member; additional means on the container neck and the adapter are provided for enabling the two parts, when assembled, to be snapped into the neck portion. The arrangement is such that all parts can be readily molded in simple mold cavities and easily assembled with a minimum of time and effort, and in the absence of special tooling or equipment.

Hand-held pump type dispenser

A small hand-held dispenser of the pump variety, comprising an aerosol-type can and a cooperable dispenser pump construction adapted to be carried by the can. The pump per se is snap-fitted into a unique plastic closure which is in the form of an inverted, dish-shaped member that in turn is assembled to the can by a snap assembly operation. The plastic closure has relatively thin walls enabling it to be readily molded, and has a depending peripheral flange which is forced over the top curled rim of the can so as to effect a snap fit therewith. The plastic closure not only securely mounts the pump assemblage on the can, but also effects a leak-proof connection therewith while at the same time simplifying the assembly operations and tooling.

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Bridgeport, CT, United States of America

Wolf Steiman