Method of assembling a refrigerator

Details Method of assembling a refrigerator Method of assembling a refrigerator

1988-01-27

1988-09-20

Tapolcai, William E.

Metal working

Method of mechanical manufacture

Assembling or joining

29460, 62441, 220467, 264 465, 264 467, 264338, 312214, 312236, B21D 3900, B23P 1904

Patent

active

047715324

ABSTRACT:
A method of assembling a refrigerator having an outer metal casing, an inner plastic liner and foamed-in-place thermal insulation between the casing and liner bonding them together including a high stress area in the liner that can cause the liner to crack due to a difference in expansion and contraction relative to the outer metal casing. The method comprises forming the metal casing, vacuum forming the liner from plastic material, placing at least one elongated slot open at one end and closed at the opposite end in the liner located in the high stress area, placing the liner inside the casing in spaced relationship thereto, and foaming the space between the casing and liner to bond them together.

REFERENCES:
patent: 2653139 (1953-09-01), Sterling
patent: 3112624 (1963-12-01), Rill, Jr.
patent: 3152199 (1964-10-01), Roberts
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patent: 3405986 (1968-10-01), Cannon
patent: 3440308 (1969-04-01), Carbary et al.
patent: 3948410 (1976-04-01), Anderson
patent: 4050145 (1977-09-01), Benford
patent: 4714304 (1987-12-01), Sisk et al.

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