Article with snap-fit connection

Details Article with snap-fit connection Article with snap-fit connection

1991-07-22

1992-09-08

Pollard, Steven M.

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

220469, B65D 700

Patent

active

051450909

ABSTRACT:
An article, preferably an insulated food serving unit such as a tray or a tray cover, having a top shell and a bottom shell which are physically interlocked with a snap-fit connection. A rigid, substantially dimensionally stable foam between the top and bottom shells locks the shells together, seals the snap-fit connection and provides rigidity to the overall article. Reinforcing ribs may be used to decrease flexure at the connection seam and protect the foam against impact at the connection seal.

REFERENCES:
patent: 3118560 (1964-01-01), Cornelius
patent: 4946064 (1990-08-01), Van Cucha
The Plastics Manual, 3rd Edition, Applied Plastics, 1966, pp. 163-166.
Handbook of Plastics, Simonds & Ellis, 1943, pp. 579-584.

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