Patent ID: 6408843
Filing Date: 2002-06-25
Classification: A01M,F23C,F23D

Abstract:
A portable ground thawing apparatus, comprising:a portable insulated thaw body defining an enclosed inner cavity said thaw body having a top section, side sections and an open bottom thawing section; a thaw body opening having a first diameter on said thaw body wherein one of said side walls defines therein said thaw body opening; a radiant type heater having a fuel inlet, a radiant burner and a burner control; and a tube section having a first and second end and a diameter less than said first diameter of said thaw body opening, said first end fixedly attached to said portable insulated thaw body such that said first end extends into said thaw body opening and defines a vent gap section for the free passage of gases between said tube section and said thaw body opening, said second end of said tube section being fixedly attached to said radiant type heater so as to completely encompass said radiant burner such that said tube section directs heat from said radiant burner into said inner cavity of said thaw body said second end and said radiant type heater being positioned outside of said thaw body.