| 20110011532 | METHOD OF PRODUCING A ZIPPER PACK - A method of producing a zipper pack includes the steps of: (a) providing a container having a front sheet member and a back sheet member, and a synthetic resin zipper with first and second wings extending substantially asymmetrically from the synthetic zipper; (b) inserting the synthetic resin zipper at a slanted angle to an interior surface of an opening part of the front and back sheet members of the container in such a manner that the substantially asymmetrically extending wings are arranged towards a corner area of the opening part of the container; (c) inserting an adhering prevention member between the first and second wings; (d) thermally adhering the first and second wings to the front and back sheet members of the container while having the adhering prevention member inserted between the first and second wings so as to prevent a thermal adhesion between the first and second wings; and (e) sealing outer edge portions of the front and back sheet members of the container. | 01-20-2011 |
