Dispenser and refill package
First Claim
1. A dispenser for dispensing a predetermined metered quantity of fluidic material, said dispenser comprising:
- housing means;
means, removably mounted in said housing means, for holding said fluidic material;
cover means attached to said housing means for covering said holding means when the latter is in said housing means;
peristaltic-acting tube means depending from said holding means including valve means operatively connected thereto;
first lever means pivoted to said housing means for compressing said tube means;
second lever means biased away from said cover means for engaging said tube means when said first lever means compresses said tube means;
said first and second lever means moving in the same direction when said tube means is compressed, so that said tube is initially pinched therebetween thereby trapping said predetermined quantity of material.
8 Assignments
0 Petitions
Accused Products
Abstract
A dispenser is provided that includes a hollow housing in which is mounted a disposable container that holds materials such as fluidic material to be dispensed. There is provided a service unit which consists of a package or bag holding the fluidic material and wherein the bag has an accordion type construction. The service unit includes a pump tube which is molded as part of the container, and a check valve forms part of the service unit, with the check valve being mounted on an end of the pump tube. An operating lever or mechanism is provided for selectively dispensing metered quantities of material from the accordion package.
142 Citations
7 Claims
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1. A dispenser for dispensing a predetermined metered quantity of fluidic material, said dispenser comprising:
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housing means; means, removably mounted in said housing means, for holding said fluidic material; cover means attached to said housing means for covering said holding means when the latter is in said housing means; peristaltic-acting tube means depending from said holding means including valve means operatively connected thereto; first lever means pivoted to said housing means for compressing said tube means; second lever means biased away from said cover means for engaging said tube means when said first lever means compresses said tube means; said first and second lever means moving in the same direction when said tube means is compressed, so that said tube is initially pinched therebetween thereby trapping said predetermined quantity of material. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification