Patent ID: 7743474
Filing Date: 2010-06-29
Classification: A44B,B65D,Y10S,Y10T

Abstract:
1. A zipper closure for use with a polymeric package, comprising: (a) first and second opposing polymeric surfaces; (b) a first zipper profile on the first polymeric surface; the first zipper profile including a plurality of profile members projecting from the first polymeric surface, the profile members being arranged on the polymeric surface such that a first profile member is closer to a first side of the zipper closure than a second profile member, wherein each profile member comprises a generally uniform cross-sectional profile along an operative length of the zipper closure; (c) a second zipper profile on the second polymeric surface; the second zipper profile including at least one profile member projecting from the second polymeric surface; (e) the color of the first profile member providing a visual indication of the first side of the zipper closure profile requiring the first unmating force.