RECLOSABLE PLASTIC BAGS HAVING IMPROVED LIP SIDEWELDS AND METHOD OF MAKING SAME

摘要

A reclosable plastic bag including grip strips of a plurality of spaced apart ridges extending generally parallel to one another over the width of the bag on opposed lips of the bag, wherein the ridges are characterized in cross-section by a lower generally triangularly-shaped portion and by an upper bulbous portion defined generally at an apex of the lower generally triangularly-shaped portion. 39-816-F