Package making – Methods – With contents treating
Patent
1997-08-21
1999-09-14
Harrison, Jessica J.
Package making
Methods
With contents treating
53400, 53401, B65B 3102
Patent
active
059504021
ABSTRACT:
Foamed plastic food containers are prepared for contact with food by exchanging the air in the interstices of the foam for a packaging gas prior to using the containers for packaging of food.
REFERENCES:
patent: 3971187 (1976-07-01), McNeill et al.
patent: 5299408 (1994-04-01), Dupont
patent: 5398481 (1995-03-01), Takeuchi et al.
patent: 5481852 (1996-01-01), Mitchell
patent: 5528880 (1996-06-01), Landolt
patent: 5590509 (1997-01-01), Esteves et al.
patent: 5667827 (1997-09-01), Breen et al.
Harrison Jessica J.
Paradiso John
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