Thomas K Murdock

US Patent:

50901753, Feb 25, 1992

Filed:

May 14, 1990

Appl. No.:

7/522799

Inventors:

Horst F. Arfert - Midlothian VA
Roger H. Donaldson - White Stone VA
Thomas K. Murdock - Chester VA
Barry M. Whitlock - Richmond VA

Assignee:

Eskimo Pie Corporation - Richmond VA

International Classification:

E04B 238

US Classification:

5230911

Abstract:

A freezer having its walls constructed of spaced inner and outer stainless steel skins connected together by non-metallic, thermally non-conductive structural members having a configuration which greatly reduces the transfer of temperature extremes and thermal stresses between the skins. The structural members are preferably constructed of glass fibre and possess structural, thermal conduction, and thermal expansion properties which substantially reduce the transfer of heat and thermal stresses between the inner and outer skins as the freezer is subjected to temperature variations between normal processing temperatures of about -50. degree. F. and heat sterilization temperatures up to 170. degree. F. In addition, a novel expansion joint assembly includes a flexible resilient cover strip covering the joint areas of adjacent skins. The cover strip not only accommodates large thermal expansions and contractions between the skins but also provides for smooth, continuous surfaces having no exposed joints, fasteners or other discontinuities around which bacteria may accumulate and grow.