Patent ID: 7171730

Claim:
A highly hermetically-sealable plastic zipper equipped with a slider, comprising a pair of male hook and female hook formed on surfaces of plastic films, a pair of protrusions for slider guide which are installed parallel to each of the male hook and female hook on the side of the opening portion, a continuous tightening wall which is parallel to the male hook and placed inside the male hook and a continuous pressing rib which is parallel to the female hook and placed inside the female hook, wherein the pair of protrusions for slider guide are bonded to each other in a state of the zipper being engaged via an easily peelable plastic layer which is installed in advance on the inside surface of at least one of the protrusions and at the same time, the continuous tightening wall and the continuous pressing rib are bonded to each other in a state of the zipper being engaged via an easily peelable plastic layer which is installed in advance on the surface of at least one of the continuous tightening wall and the continuous pressing rib.