Multicomponent dispensing device with valve assembly

Details Multicomponent dispensing device with valve assembly Multicomponent dispensing device with valve assembly

2011-05-10

2011-05-10

Bomberg, Kenneth (Department: 3754)

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With common discharge

C222S145100, C222S135000, C222S144500

Reexamination Certificate

active

07938296

ABSTRACT:
A two-component syringe is provided with a valve assembly having a common inlet/outlet, the valve assembly being designed to selectively close the containers of the syringe or allow a liquid from the outside to be aspirated into one of the containers via the common inlet/outlet or connect the two containers to each other or allow a mixture to be dispensed through the common inlet/outlet. This valve assembly is composed of a valve body provided with a sealing disk having channels that are arranged such that the connections are established or interrupted when the valve body is rotated. The design of such a valve assembly is simple and cost-efficient, and it allows aspirating liquids into a container and transferring them to another container that holds a powder as well as dispensing multicomponent liquids or pastes efficiently and with minimum pressure and volume losses.

REFERENCES:
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patent: 6932243 (2005-08-01), Keller
patent: 7090097 (2006-08-01), Kazarian et al.
patent: WO 2005/018830 (2005-03-01), None

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