Patent ID: 7921534
Filing Date: 2011-04-12
Classification: A44B,B29C,B29K,B29L,B31B,B65D,Y10T

Abstract:
1. A method for forming end stops on a polymeric bag, the polymeric bag including first and second opposing body panels fixedly connected to each other along a pair of sides and a bottom bridging the pair of sides; a reclosable fastener extending along a mouth formed opposite the bottom, the fastener including a pair of interlocking flexible plastic tracks, the plastic tracks including a male track including a male profile and a female track including a female profile; a slider slidably mounted to the fastener for movement between a closed position and an open position, the method comprising: softening opposite ends of the male and female profiles comprising at least one of high density polyethylene, medium density polyethylene, polypropylene, a cyclic olefin copolymer, a high density material, or a high modulus material at a seal area at opposite ends of the bag to reduce a thickness of a portion of at least one of the male and female profiles to form first and second end stops located at opposite ends of the fastener comprising at least one of high density polyethylene, medium density polyethylene, polypropylene, a cyclic olefin copolymer, a high density material, or a high modulus material, a portion of the first and second end stops protrudes upwardly beyond an upper edge of the tracks an adequate distance from at least a portion of the fastener to prevent the slider from going past respective ends of the fastener, the first and second end stops each having a thickness less than a thickness of the fastener.