Refrigeration, foam sealing bushing

Details Refrigeration, foam sealing bushing Refrigeration, foam sealing bushing

1991-02-12

1992-04-14

Spruill, Robert L.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Bushing

Providing strain relief

B65D 5500

Patent

active

051035286

ABSTRACT:
A refrigration, foam sealing bushing is provided for use within a refrigeration door cavity. The bushing is formed of a male member, and a female member. The male member includes a head portion, an upper shank portion, a reduced lower shank portion, and a disc-like member. The female member is formed of a tubular section having an open upper end and an open lower end. The tubular section has an axially extending bore which extends between the open upper end and the open lower end for telescopingly receiving the lower shank portion of the male member. Passageways are formed between the outer surface of the reduced lower shank portion and inner surface of the axially extending bore of the tubular section for permitting air to escape from the door cavity but yet preventing foam insulation from escaping during the injection of the foam insulation into the door cavity.

REFERENCES:
patent: 2592130 (1952-04-01), Erb et al.
patent: 3091795 (1963-06-01), Budwig
patent: 3665548 (1972-05-01), Mason
patent: 3725973 (1973-04-01), Gwozdz
patent: 3843833 (1974-10-01), Nicholson
patent: 3887960 (1975-06-01), Sherman
patent: 4089496 (1978-05-01), Mizusawa
patent: 4180297 (1979-12-01), Abrams
patent: 4186945 (1980-02-01), Hahn
patent: 4656689 (1987-04-01), Dennis
patent: 4883319 (1989-11-01), Scott

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