Method of cushioning commodities in containers with foamed in pl

Details Method of cushioning commodities in containers with foamed in pl Method of cushioning commodities in containers with foamed in pl

1977-04-06

1979-01-23

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

53474, 206524, 220444, 264 464, 264275, B29D 2704

Patent

active

041361415

ABSTRACT:
A commodity to be packaged in a carton, box or another type of container is foamed in place while being held by distancing elements which extend into the interior of the container. The distancing elements are retracted upon completion of the foaming step, either through the open top or through openings in the top, bottom and/or side walls of the container.

REFERENCES:
patent: 2780350 (1957-02-01), Simon et al.
patent: 3222843 (1965-12-01), Schneider
patent: 3464540 (1969-09-01), Stark
patent: 3485347 (1969-12-01), McGill et al.
patent: 3641725 (1972-02-01), Grisell
patent: 3830895 (1974-08-01), Theodorsen
patent: 3952082 (1976-04-01), Arnaud

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