Blocked film laminate of low density polyethylene

Details Blocked film laminate of low density polyethylene Blocked film laminate of low density polyethylene

1977-11-17

1979-07-03

Ives, P. C.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

428323, 428409, 428516, 428517, 229 53, 156229, B65D 3100

Patent

active

041600533

ABSTRACT:
Laminates of two or more low density polyethylene films are prepared by blocking together superimposed films at a temperature below the fusion temperature, whereby the films can be pealed apart without distortion. The laminates are adapted for the manufacture of heavy duty bags and sacks having increased impact and tear resistance, as compared with single films or fused together laminates having the same gauge.

REFERENCES:
patent: 3058863 (1962-10-01), Gaines et al.
patent: 3361607 (1968-01-01), Bruno
patent: 3509005 (1970-04-01), Hartig
patent: 3554833 (1971-01-01), Devries et al.
patent: 3582418 (1971-06-01), Schuur
patent: 3950206 (1976-04-01), Adachi

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