Packing material that can be shaped under the effect of heat

Details Packing material that can be shaped under the effect of heat Packing material that can be shaped under the effect of heat

1974-06-14

1977-08-02

Anderson, Philip

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 85, 156218, 156229, 215 1C, 264 459, 264210R, 264230, 264289, 264321, 264DIG71, B29C 2724, B29D 724, B29D 2700

Patent

active

040393623

ABSTRACT:
A foamed plastic material of polyethylene or polystyrene capable of being heat-shaped for use in making packing containers wherein by stretching of the foam the cells therein are given a lenticular or elongated structure. In the case of a lenticular cell structure, produced by a bi-axial stretching operation, the individual cells are situated in layers in parallel planes. In the case of an elongated cell structure, produced by a mono-axial stretching operation, the individual cells are situated with their longitudinal axes in parallel planes.

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Benning, Calvin J., "Plastic Foams: The Physics and Chemistry of Product Performance and Process Technology," vol. 1, New York, Wiley, Interscience, c. 1969, pp. 54-61.

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