Closure seal for a container

Details Closure seal for a container Closure seal for a container

2006-01-17

2006-01-17

Ryan, Patrick Joseph (Department: 1745)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including sheet or component perpendicular to plane of web...

C428S121000, C428S126000, C428S347000, C428S035700, C215S232000, C215S349000, C215S347000, C049S475100

Reexamination Certificate

active

06986930

ABSTRACT:
A seal for a container opening includes a seal layer for connecting to and covering an opening of the container. A pull-tab forming layer is bonded to the seal layer. The pull-tab forming layer has a heat resistant surface joined to the seal layer, and a hinge disposed near the center of the seal. A portion of the pull-tab forming layer defines a pair of opposed pull-tabs extending from the hinge, in which the heat resistant surface covers a top surface of each of the pull-tabs, a surface of the pull-tabs opposite the top surface, and a portion of the pull-tab forming layer facing the surface of the pull-tabs opposite the top surface. A method of forming the seal and a material blank for forming a plurality of the seals are also described.

REFERENCES:
patent: 4000838 (1977-01-01), Bogert
patent: 5433982 (1995-07-01), Yamada et al.
patent: 5702015 (1997-12-01), Giles et al.
patent: WO 97/02997 (1997-01-01), None

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