Method of cleaning urethane foam dispensor using heated water

Details Method of cleaning urethane foam dispensor using heated water Method of cleaning urethane foam dispensor using heated water

B - Operations, Transporting

08

B

B08B 3/00 (2006.01) B08B 3/08 (2006.01)

Patent

CA 2043522

ABSTRACT OF THE DISCLOSURE A method for removing residual polyurethane precursor components and foam from the interior of a polyurethane foam dispensing means prior to the solidification of said components, said means comprising a plurality of controllable feed tubes, said tubes being adapted for transporting and selectively introducing the precursor components into the interior of said dispensing means, said method comprising introducing a cleaning composition into the interior of said dispensing means to remove substantially all of the polyurethane foam precursor components and foam, said cleaning composition being at a temperature of at least 80°F upon its introduction into said dispensing means and comprising water free of other solvents.

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