Laminate for the manufacture of liquid-tight packing containers

Envelopes – wrappers – and paperboard boxes – Paperboard box – Cylindrical or conical body – or wall structure

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Details

428192, 428310, 428910, 428913, B65D 300

Patent

active

040047270

ABSTRACT:
For forming rigid packing containers for liquids, the invention provides a laminate which comprises layers of cellular structure and layers of homogeneous structure, the cellular layers being composed of foamed plastics and the homogeneous layers being either plastic, metal foil, glass fibers or paper, and arranged between the layers of foamed plastics.

REFERENCES:
patent: 1943757 (1934-01-01), Delaney
patent: 2589045 (1952-03-01), Brooks
patent: 2715089 (1955-08-01), Michener et al.
patent: 3070281 (1962-12-01), Durkin et al.
patent: 3143364 (1964-08-01), Klein
patent: 3207651 (1965-09-01), Hood et al.
patent: 3391823 (1968-07-01), Tijms
patent: 3400810 (1968-09-01), Makowski
patent: 3531367 (1970-09-01), Karsten
patent: 3706622 (1972-12-01), Rush

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