Patent ID: 8282279

Claim:
A thermoplastic bag for storing food comprising: a first sidewall of pliable thermoplastic material; a second sidewall of pliable thermoplastic material overlaid and joined to the first sidewall along a first edge, a second edge, and a closed bottom edge, the first and second sidewalls un-joined along respective top edges to provide an opening opposite the bottom edge for accessing the interior volume; a first fastening strip attached to the first sidewall proximate the opening, the first fastening strip includes a first closure element, the first closure element includes a base portion, the base portion includes a first web and a second web extending from the base portion, the first web includes a first hook portion, the second web includes a second hook portion, the first hook portion facing toward the second hook portion; a second fastening strip attached to the second sidewall proximate the opening, the second fastening strip includes a second closure element, the second closure element includes a base portion, the base portion includes a third web and a fourth web extending from the base portion, the third web includes a third hook portion, the fourth web includes a fourth hook portion, the third hook portion facing away from the fourth hook portion; the second closure element includes a fifth web extending from the base portion between the third web and the fourth web, the fifth web provides additional material in the form of a single post, the fifth web does not engage the first closure element except at the first edge and the second edge; and the first closure element includes a pair of protrusions between the first hook portion and the second hook portion, wherein when the first closure element and the second closure element are occluded by pressing together the first hook portion and the second hook portion of the first fastening strip and the third hook portion and the fourth hook portion of the second fastening strip then one of the pair of protrusions is above the fifth web and one of the pair of protrusions is below the fifth web.