Landing Rails for Freezer Bags
The present disclosure relates to reclosable freezer bags with landing rails to reduce the contact of the bag walls to other surfaces, particularly while frozen, thereby reducing the formation of apertures or holes in the bag walls. This disclosure has many applications, but is particularly adapted to applications wherein reclosable bags are used to transport, freeze and store expressed mother's milk.
1 . A reclosable bag, including:
front and rear walls;
wherein portions of edges of the front and rear walls are joined together thereby forming a storage volume and a mouth;
a first zipper with a first zipper profile attached to an interior of the front wall and a second zipper profile attached to an interior of the rear wall, wherein the first and second zipper profiles can interlock thereby closing the mouth of the bag;
a first landing rail attached to the exterior of the front wall;
a second landing rail attached to the exterior of the rear wall; and
wherein the first and second landing rails serve to separate at least a portion of the front and rear walls from adjacent frozen surfaces.
2 . The reclosable bag of claim 1 wherein the front and rear walls are made from a first polymeric material, the first and second landing rails are made from a second polymeric material, and the second polymeric material is stiffer than the first polymeric material.
3 . The reclosable bag of claim 2 wherein the first landing rail is positioned outwardly adjacent from the first zipper profile and the second landing rail is positioned outwardly adjacent from the second zipper profile.
4 . The reclosable bag of claim 3 wherein the first and second landing rails have a different color from that of the front and rear walls.
5 . The reclosable bag of claim 4 wherein the first and second landing rails have a greater thickness than that of the front and rear walls.
6 . The reclosable bag of claim 1 further including a second zipper spaced from the first zipper.
7 . The reclosable bag of claim 6 wherein the second zipper is spaced immediately below the first zipper.
8 . The reclosable bag of claim 7 wherein at least one of the landing rails is formed on at least one of the front and rear walls upwardly adjacent from the gusset.
9 . The reclosable bag of claim 1 wherein a gusset is formed between respective lower edges of the front and rear walls.