Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1975-11-19
1978-04-04
Anderson, Philip
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264 466, 264 467, 312214, B29D 2704
Patent
active
040828255
ABSTRACT:
A disclosed refrigeration cabinet has an integrated construction of sheet material and insulating foam which substantially eliminates the need for mechanical fasteners and welding, minimizes assembly operations, and permits the use of prefinished sheet panels. An outer cabinet shell preferably includes a prefinished sheet wrapped into a rectangular tube. The shell tube is reinforced at one end by a perimeter frame and at the other end by a thermal breaker collar. After the shell tube and frame are assembled, a liner is positioned in the tube and the breaker collar is installed. Rigid insulating foam is then foamed in place between the shell and liner to produce a sandwich construction in which the form secures and reinforces both the shell and the liner.
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Anderson Philip
Franklin Manufacturing Company
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