Highly hermetically-sealable plastic zipper equipped with slider and bag body fitted with the plastic zipper

摘要

The object of the present invention is to provide a plastic zipper equipped with a slider which zipper is imparted with high hermetical-sealability and facility in unsealing and reopening/reclosing; further a plastic zipper equipped with a slider which zipper is imparted in addition thereto with a function capable of detection of its having been unsealed after sealing packaging; and a bag body fitted with the zipper with a slider attached. ;The present invention has accomplished the above-mentioned objects by bonding the zipper portion in the plastic zipper equipped with a slider or protrusion portions for slider guide via an easily peelable plastic layer and by imparting two different colors to the resin at the portion to be bonded. ;The bag body according to the present invention is capable of assuring high hermetical-sealability enabling long-term preservation of contents therein, is easy to open, and is imparted with a function of revealing unjust unsealing as well.