Dual-ovenable container formed of a paper-based laminate

Details Dual-ovenable container formed of a paper-based laminate Dual-ovenable container formed of a paper-based laminate

2011-08-23

2011-08-23

Elkins, Gary E (Department: 3782)

Envelopes, wrappers, and paperboard boxes

Paperboard box

Box material includes a coating or a nonpaperboard...

C229S004500, C229S903000

Reexamination Certificate

active

08002170

ABSTRACT:
A dual-ovenable container is formed from a blank of laminate material that includes a paperboard layer sandwiched between outer heat-sealable layers of amorphous polyester or heat-sealable cellophane. The blank is wrapped into a tubular or conical configuration and opposite edges of the blank form a lap joint at which the edges are heat-sealed together to form a container body. End closures can then be applied to the ends of the container body. The laminate is heat-sealable to itself, is able to withstand heating/cooking conditions in both conventional and microwave ovens, and has a low oxygen permeability. The edge of the blank exposed to contents of the container can be wrapped by a sideseam tape in order to protect the edge.

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European Search Report for EP 09 25 1098 completed Jun. 26, 2009.
Technical Specification—Innovia Films,NatureFlex Data; Ref. N300—Edition USA.

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