초록 ▼

A flexible reclosable package includes a package surrounding wall. The surrounding wall includes a first side panel and a second side panel opposite the first side panel. A reclosable zipper is mounted along the mouth for selective opening and closing of the package. The reclosable zipper includes a

A flexible reclosable package includes a package surrounding wall. The surrounding wall includes a first side panel and a second side panel opposite the first side panel. A reclosable zipper is mounted along the mouth for selective opening and closing of the package. The reclosable zipper includes a first and second closure member with the second side panel extending between them. The second side member includes a tear region having lower shear strength than remaining portions of the second side panel. Methods of operation and manufacture are described.

대표청구항 ▼

1. A flexible package comprising:(a) a package surrounding wall defining a package interior and having a mouth; the mouth providing access to the package interior; the surrounding wall includes a first side panel and a second side panel opposite the first side panel; (b) a reclosable zipper along th

1. A flexible package comprising:(a) a package surrounding wall defining a package interior and having a mouth; the mouth providing access to the package interior; the surrounding wall includes a first side panel and a second side panel opposite the first side panel; (b) a reclosable zipper along the mouth for selective opening and closing of the mouth; the zipper including: (i) a first closure profile; (A) the first closure profile having a sealing flange located at a first end of the first closure profile and a distal flange located at a second end of the first closure profile; (B) the sealing flange of the first closure profile having an inner and outer surface; (ii) a second closure profile; (A) the second closure profile having a scaling flange located at a first end of the second closure profile and a distal flange located at a second end of the second closure profile; (B) the sealing flange of the second closure profile having an inner and outer surface; (iii) the second side panel extending between the sealing flanges of the first closure profile and the second closure profile; the second side panel including a tear region located between the first closure profile and the second closure profile; the tear region having a lower shear strength than remaining portions of the second side panel; (c) a first sealing layer disposed on the inner surface of the first closure profile sealing flange; (d) a second sealing layer disposed on the inner surface of the second closure profile sealing flange; (e) a third sealing layer disposed on the inner surface of the first closure profile sealing flange; and (f) a non-sealing layer disposed on the inner surface of the second closure profile scaling flange opposite the third sealing layer.