Venting closure mechanism

Details Venting closure mechanism Venting closure mechanism

2009-07-13

2011-11-22

Pascua, Jes F (Department: 3782)

Flexible bags

With closure

Including auxiliary means for forming leakproof closure seal

C383S061200, C383S063000, C383S103000, C383S105000, C024S399000, C024S400000, C024S585120

Reexamination Certificate

active

08061898

ABSTRACT:
A venting closure mechanism for a pouch includes first and second closure profiles that interlock and third and fourth closure profiles that interlock. A sealing flap extends from the first closure element between the first and third closure profiles and engages the second closure element to form a releasable gastight seal therebetween. When the first and second closure elements are occluded, a first plurality of longitudinally spaced first exhaust channels is disposed on a product-side of the sealing flap and a second plurality of longitudinally spaced second exhaust channels is disposed on a user-side of the sealing flap. A first pouch sidewall is attached to the first closure element at an exterior surface thereof between a user-side edge of the first closure element and the sealing flap. An interior surface of the first pouch sidewall is textured with a pattern that provides flow channels therealong.

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