Patent ID: 7670051
Filing Date: 2010-03-02
Classification: A44B,B65D,Y10T

Abstract:
1. A re-closable flexible package comprising: a pair of side panels joined along a first side edge and a second side edge, the panels defining a mouth providing access to a package interior; a zipper closure having two sides positioned along the mouth of the package for selectively opening and closing the package mouth, the zipper closure including a first pair of inter-locking members on the two sides of the zipper closure and a second pair of inter-locking members on the two sides of the zipper closure disposed below the first pair of inter-locking members; and a slider having a leading edge and a trailing edge configured to open and close the zipper closure, the slider having a first pair of protrusions at a bottom of the leading edge, a second pair of protrusions at the trailing edge, and an opening plough protruding downward from a top surface of the slider between the leading edge and trailing edge, the opening plough having a height not more than a height of the slider such that the opening plough penetrates only the first pair of inter-locking members of the zipper closure, the opening plough having a sloped bottom surface such that a leading edge side of the opening plough has a height less than a height of a trailing edge side of the opening plough, the leading edge side of the opening plough remains above the first pair of inter-locking members when the slider is near one of the first side edge and the second side edge of the pair of side panels and the zipper closure is in a closed configuration.