Envelopes – wrappers – and paperboard boxes – Paperboard box – Wrapper type
Patent
1996-01-29
1997-02-25
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Wrapper type
206806, 229138, 229186, 229235, B65D 508
Patent
active
056052782
ABSTRACT:
A carton for a package of photographic film, such as instant film. The carton is formed of a unitary paperboard blank coated on both sides by a thermoplastic barrier film. The thermoplastic functions as an adhesive when acted upon by heat and pressure, thus sealing portion sof the blank together. Each of four corners of the carton includes a gusset folded in such a manner as not to present a raw paperboard edge to the interior. The construction yields an air tight, liquid tight package with an oxygen barrier, and obviates the requirement of many similar packages that the photographic film be separately wrapped in a protective foil or film prior to being placed in a catron. Three embodiments of the carton are disclosed.
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Doyle Michael J.
Elkins Gary E.
International Paper Company
Nicastri Christopher
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