Lid for a plastic container

Details Lid for a plastic container Lid for a plastic container

1986-10-15

1987-09-15

Hall, George T.

Receptacles

Closures

Removable closure retained by adhesive or fusion means

220260, 220270, 2291231, 2291232, 22912517, B65D 4100

Patent

active

046933905

ABSTRACT:
This relates to lids which incorporate a barrier material and which may be suitable heat bonded to plastic containers. A feature of the lid is that the area of the lid which is to be permanently bonded to the container is defined by two scores wherein, in the removal of the lid, for all practical purpose rupture of the lid material per se is eliminated and the opening operation is restricted to peeling-like separation of layers of the lid. Another feature of the lid is the controlled adhesion between the removable portion of the lid and the remainder of the lid by applying a resist layer next to the adhesive layer which secures the removable portion of the lid to the remainder of the lid. The effectiveness of the resist layer is controlled by applying the resist layer utilizing a half tone printing process.

REFERENCES:
patent: 4280653 (1981-07-01), Elias
patent: 4448345 (1984-05-01), Helms
patent: 4452842 (1984-06-01), Borges et al.
patent: 4589568 (1986-05-01), Ito et al.
patent: 4595117 (1986-06-01), Walter

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