Patent ID: 11897660
Assignee: POLYTEX FIBERS CORPORATION
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 20:
21. A bag comprising: a first wall, a second wall, each having a top edge and a bottom edge, wherein said first wall and said second wall each comprise a laminate comprising a first layer comprising woven strips consisting essentially of oriented polypropylene, and a second layer consisting essentially of a film comprising oriented polypropylene, and wherein the top edge of the first wall extends further than the top edge of the second wall and is adapted to be folded over the second wall and heat sealed to the second wall to form a top end of the bag, and the bottom edge of the first wall and the bottom edge of the second wall are adapted to be heat sealed together to form a bottom end of the bag, wherein said bag further comprises a plurality of perforations, wherein said plurality of perforations define a row extending a distance of at least ten percent across the first wall of the bag, and the row is not located on the top end or bottom end of the bag, wherein each of the plurality of perforations extends at least partially through the first wall of the bag, and wherein the bag further comprises a cover covering the plurality of perforations, wherein the cover covers only a portion of the plurality of perforations.