Patent ID: 7490737
Filing Date: 2009-02-17
Classification: B29B,B29C,B29K,F16L,Y10T

Abstract:
1. A foam dispensing apparatus, comprising: a foam precursor fluid chemical pump; a dispenser having a fluid chemical outlet; a hose through which the fluid chemical flows in flowing between said pump and chemical outlet, a heating system having an elongated heating device received within said hose and a feed through unit to which a first end of said heating device extends and into which electrical terminals in electrical communication with said heating device extend into, and said heating device having an opposite, second end positioned closer to said chemical pump than said first end, and a supplemental heater positioned downstream of said first end and a control unit which monitors relative temperature of said supplemental heater and said elongated heating device and makes adjustment in at least one of said supplemental heater and said elongated heating device.