Envelopes – wrappers – and paperboard boxes – Paperboard box – Including tearing or breaking means for opening a nonunitary...
Patent
1990-08-20
1992-04-21
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Including tearing or breaking means for opening a nonunitary...
220258, 220259, 22912515, 22912519, B65D 570
Patent
active
RE0338931
ABSTRACT:
Reclosable closure assembly for containers, particularly aseptic containers, containers having such a closure assembly, and a method for applying the closure assembly to preformed blanks suitable for preparing the containers.
The container portion to which the closure assembly is applied has an opening, i.e., a pour hole. An exterior tape having a backing and an adhesive layer is attached to the [exterior] container [wall] so as to cover the pour hole. A protective tape having a barrier layer and an adhesive layer is firmly bonded to the interior container wall so as to cover the pour hole. A target tape having an adhesive layer and a layer of release coating material on a backing is disposed between the exterior tape and the exterior container wall. The target tape has an opening coincident with the pour hole. The protective tape is firmly bonded to the exterior tape in the area of the pour hole and coincident opening in the target tape by means of the adhesive layers on the exterior tape and on the protective tape. The layer of release coating material of the target tape can come in contact with the adhesive layer of the exterior tape so that the exterior tape can be releasably adhered to the target tape and may be removed from and reclosed over the pour hole.
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"Combibloc: An Aseptic System That Uses Preformed Carton Blanks," Dieter Richter, Packaging Technology, Mar./Apr. 1983, pp. 22-25.
Concerns Over Consumers Preoccupy Aseptipak '85, Packaging, Jul. 1985, pp. 80-84.
Elias Terri A.
Szegda Stephen G.
Elkins Gary E.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Weinstein David L.
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