EASILY OPENABLE FASTENER TAPE, PACKAGING BAG WITH EASILY OPENABLE FASTENER TAPE, AND METHOD OF MANUFACTURING EASILY OPENABLE FASTENER TAPE

摘要

A belt-shaped base of a male member of a zipper tape attached on an innersurfaceof a bag body includes a main body provided with an engagement portion, a thinportionconnected to an opening-side of the main body, a thick portion connected to anopening-sideof the thin portion, and a projecting portion provided on the thick portion.The femalemember is also provided with the same arrangement. When the zipper tape isfused withthe bag body, a gap is provided between the thin portion and a film of the bagbody andbetween the thin portion and a film of the bag body, so that the thin portionsare easilybent.