Nestable foam cup with improved heat retention and the process f

Details Nestable foam cup with improved heat retention and the process f Nestable foam cup with improved heat retention and the process f

1980-12-04

1982-11-16

Anderson, Philip

Special receptacle or package

Structural features for nesting identical receptacles or...

Having defined means to limit extent of nesting

229 15B, 264 53, 264321, 264DIG13, B29D 2700

Patent

active

043591604

ABSTRACT:
A thermoformed polymeric foam article, such as a cup or container, is disclosed having improved thermal insulation properties. Contact with hot water causes expansion of the foam wall, substantially decreasing foam density and providing greater heat retention.

REFERENCES:
patent: 3260781 (1966-07-01), Lux et al.
patent: 3338997 (1967-08-01), Tigner
patent: 3531555 (1970-09-01), Tiffin et al.
patent: 4189456 (1980-02-01), Rausing

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