Method and apparatus for spraying viscous adhesives

Details Method and apparatus for spraying viscous adhesives Method and apparatus for spraying viscous adhesives

1993-10-20

1995-04-18

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With system fluid relief or return to supply

239135, 239142, 239398, 366326, B05B 124, B05B 903, B01E 700

Patent

active

054071321

ABSTRACT:
A method and apparatus for spraying adhesive compositions having a high solids content comprises a source of supercritical fluid diluent such as supercritical carbon dioxide, a source of virgin adhesive, an adhesive dispenser and a mixer communicating with each source of material and with the dispenser. The mixer includes a dynamic mixing element which agitates the viscous adhesive material allowing the supercritical carbon dioxide to be effectively dispersed into the adhesive, thus forming an adhesive composition with a high solids content having a relatively low viscosity suitable for spray application of the adhesive.

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