Multiple layer flexible sheet structure

Details Multiple layer flexible sheet structure Multiple layer flexible sheet structure

1981-09-29

1983-12-06

Dixon, Jr., William R.

Dispensing

Collapsible wall-type container

Nonmetallic

428 36, 428215, 428463, 428513, 428515, 428520, B65D 3508, B32B 1508, B32B 2708

Patent

active

044188412

ABSTRACT:
A multiple layer polymeric-based sheet structure is suitable for forming dispensing tubes. The abuse resistance of the tube is improved by incorporating in the sheet structure a layer of oriented polypropylene. A layer of linear low density polyethylene provides for heat sealing and has substantially improved stress crack resistance and resistance to generation of polydust

REFERENCES:
patent: 2505143 (1950-04-01), Haas et al.
patent: 3347419 (1967-10-01), Brandt et al.
patent: 3956544 (1976-05-01), Harrington
patent: 3958721 (1976-05-01), Kushida et al.
patent: 4257536 (1981-03-01), Hilman

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