Method for producing a drum type container with air cushion

Details Method for producing a drum type container with air cushion Method for producing a drum type container with air cushion

1974-11-29

1977-03-01

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

156287, 264 26, 264 92, 264249, 264269, 425388, 425504, B29C 1704, B29C 2500, B29D 302

Patent

active

040102300

ABSTRACT:
A method for producing a container of large capacity formed of an outer shell of structurally strong material and an inner plastic container joined at its upper end portion about the rim of the shell and resting at its bottom end on the bottom wall of the shell with an air cushion between the outer side walls of the plastic container and the inner walls of the shell. A sheet of the plastic is vacuum formed within the outer shell and then allowed to shrink in order to form the air cushion.

REFERENCES:
patent: 3159695 (1964-12-01), Behringer
patent: 3318985 (1967-05-01), Turner et al.
patent: 3338020 (1967-08-01), McGee
patent: 3366019 (1968-01-01), McGee

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