Containers

Details Containers Containers

1984-01-23

1986-04-01

Anderson, Philip

Envelopes, wrappers, and paperboard boxes

Paperboard box

Box material includes a coating or a nonpaperboard...

220902, 264101, 264321, 264338, 425388, 425402, 425436R, 425817R, B29C 6722, B29C 5320, B29C 5122, C08J 914

Patent

active

045792755

ABSTRACT:
Increasing the wall strength of a cup having a closed cell foam wall and a solid plastic coating on at least the outer surface thereof by contacting said surface of the cup with a heated mandrel. Apparatus is also shown.

REFERENCES:
patent: 3045286 (1962-07-01), Harrison
patent: 3054146 (1962-09-01), Griffin
patent: 3164655 (1965-01-01), Howard et al.
patent: 3374298 (1968-03-01), Studen
patent: 3534128 (1970-10-01), Makowski
patent: 3544675 (1970-12-01), Isle
patent: 3616020 (1971-10-01), Whelan
patent: 3669794 (1972-06-01), Mazur
patent: 3846526 (1974-11-01), Wade
patent: 3933959 (1976-01-01), Skochdopole et al.
patent: 4060577 (1977-11-01), Collins
patent: 4359160 (1982-11-01), Myers et al.

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