Internal mix spraying system
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United States of America Patent
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-
Oct 21, 1997
Grant Date -
N/A
app pub date -
Feb 28, 1995
filing date -
Feb 28, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In the method and apparatus of the invention, plural materials, such as a liquid resin and curing agent, are delivered to a dispenser body including a mixing cavity and a mixing element carried in the mixing cavity of the body and carrying a dispenser outlet. The mixing element sealingly engages the mixing cavity and forms, within the mixing cavity, a central chamber into which the plural materials are delivered. The mixing element includes a first conduit extending longitudinally between a forwardmost opening and the central portion of the mixing element, and further includes a second conduit extending transversely between a sidewall opening to the central chamber and the first conduit and containing a static mixing insert. Plural materials delivered to the dispenser body are mixed in transit through the mixing cavity, the transverse second conduit and static mixer, and the first conduit and dispensed through the dispenser outlet.
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