Flexible bags – With closure – With provision for positioning closure element in nonuse...
Reexamination Certificate
2006-04-25
2006-04-25
Pascua, Jes F. (Department: 3727)
Flexible bags
With closure
With provision for positioning closure element in nonuse...
C383S086000, C383S095000
Reexamination Certificate
active
07033077
ABSTRACT:
A bag comprising first and second walls which are connected together along their sides and bottom and a flap portion which is connected to a top of one of the walls. The flap portion and this one wall together form a transversely extending Z-fold. An adhesive strip is provided for closing an open mouth of the bag and this strip extends in a transverse direction across an inner surface of said one wall. A protective band extends in a transverse direction across an inner section of the flap portion so as to cover and contact the adhesive strip. The flap portion also has a projecting outer section which can be pulled outwardly away from the interior of the bag to expose the adhesive strip. A method of making modified plastic sheeting suitable for making these sealable bags is also disclosed. Using one method, an aqueous coating of release material is applied as a band to a strip of plastic sheeting by means of a printing press. This band is then dried using a hot air dryer.
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Pascua Jes F.
Wofsy Scott D.
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