Apparatus for blending and dispensing foamable, curable organosiloxane compositions
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United States of America Patent
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Jul 19, 1994
Issued Date -
N/A
app pub date -
Apr 21, 1993
filing date -
Jan 4, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for preparing foams exhibiting a uniformly small cell size, a minimum number of ruptured cell walls and a smooth surface from foamable curable compositions comprises means to transport the ingredients of a foamable, curable composition to the input of a static mixer in which the ingredients of the composition are blended to homogeneity prior to being extruded into an exit zone and through an exit orifice. The length to diameter ratio of the mixing zone and the diameter of the exit orifice are within specified ranges.
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Cited Art Landscape
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