Multi-layered bags and methods of manufacturing the same

Details Multi-layered bags and methods of manufacturing the same Multi-layered bags and methods of manufacturing the same

B - Operations, Transporting

65

D

B65D 30/08 (2006.01) B31B 39/00 (2006.01) B32B 3/04 (2006.01) B32B 27/04 (2006.01) B32B 27/32 (2006.01) B65D 33/14 (2006.01) B65D 33/25 (2006.01) B65D 33/26 (2006.01)

Patent

CA 2747731

A bag can include walls formed of a material having multiple layers, which can include two polyolefin layers and a paper layer. The bag can be formed into a sewn-open-mouth configuration in which a stitching element extends through a wall of the bag. The bag can include a grease-resistant seal that substantially prevents grease from escaping from the bag via an opening in the wall through which the stitching element extends.

Un sac selon l'invention peut comprendre des parois formées d'un matériau à couches multiples qui peut comprendre deux couches de polyoléfine et une couche de papier. Le sac peut être formé selon une configuration cousue à gueule ouverte dans laquelle un élément de couture s'étend à travers une paroi du sac. Le sac peut comprendre une fermeture résistante aux graisses qui empêche sensiblement la graisse de sortie du sac à travers une ouverture dans la paroi à travers laquelle s'étend l'élément de couture.

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