Blow molded plastic container having plastic label

Details Blow molded plastic container having plastic label Blow molded plastic container having plastic label

1986-02-26

1987-05-05

Moy, Joseph Man-Fu

Bottles and jars

Multilayer barrier structure

Coating or lamination

220450, B65D 2308

Patent

active

046625283

ABSTRACT:
A blow molded plastic container (10) disclosed includes at least one plastic label (L) on a side wall (12) which has abruptly curved portions (42,44,46) that provide a generally continuous outer surface at the junctions of the label edges with the side wall. The plastic label (L) may have different constructions for resisting the transmission of fluids through the container side wall and for providing a heat activated bond that secures the label to the container side wall during the blow molding process. Different preferred plastics utilized to provide the barrier include polyvinylidene cloride, polypropylene, polyethylene, ethyl vinyl alcohol, acrylonitrile, and polyethylene terephthalate which may be used singly or with multiple types either dispersed within each other or in separate layers. The heat sensitive adhesive may be applied as a coating to the inner surface of the plastic label, dispersed within the plastic of the label, or provided by the inner surface of the label plastic that also functions as the barrier. Best results are achieved when a pair of the labels (L) are provided on oppositely facing sides of the container side wall (12) so as to more fully cover the container and thus increase the resistance to the transmission of fluids.

REFERENCES:
patent: 4183441 (1980-01-01), Erlandson
patent: 4210259 (1980-07-01), Schrecker
patent: 4219124 (1980-08-01), Amberg
patent: 4315573 (1982-02-01), Bradley et al.
patent: 4342399 (1982-08-01), Stirling
patent: 4457450 (1984-07-01), Smith et al.
patent: 4479770 (1984-10-01), Slat et al.
patent: 4479771 (1984-10-01), Slat et al.
patent: 4573596 (1986-03-01), Slat

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