Patent Number: 6,308,498

Title: Transverse direction zipper tape

Abstract: A zipper strip for a reclosable package having a transverse zipper is provided. The zipper strip comprises a male interlocking profile and a female interlocking profile. Each profile includes an interlocking member and an integral web which defines a leading flange. The leading flanges are sealed to thermoplastic film material which is used to make the reclosable packages and to each other. A perforation extends along the length of the zipper strip so that the profiles can be readily separated.

Inventors: Malin; Art (Northbrook, IL), Share; Lawrence (Skokie, IL), Van Erden; Donald L. (Wildwood, IL)

Assignee: Illinois Tool Works Inc.

International Classification: B31B 19/00 (20060101); B31B 19/90 (20060101); B65D 33/25 (20060101); B65D 75/58 (20060101); B65D 75/52 (20060101); B65B 061/18 (); B65B 009/20 ()

Expiration Date: 10/30/2018