Idemitsu Unitech Co., Ltd.

Takehiro Iwamoto

Kenichi Tanaka

Shuichi Goto

Ryo Katada

A manufacturing device for manufacturing a reclosable-tape-having bag manufactures a reclosable-tape-having bag in which a reclosable tape is mounted on an inner surface of a bag bodywhile an open tapefor ripping and opening the bag bodyis provided between a mounting baseand an upper filmof the bag body. The manufacturing device for manufacturing the reclosable-tape-having bag includes a notching instrumentfor forming a notch on the bag body. The notching instrumentincludes: a whole-notching instrumentA for punching the upper film, a lower film, the open tapeand the mounting baseto form a tab on a side seal of the bag body; and a half-notching instrumentB for forming an incision on the lower filmand a portion of the mounting basecorresponding to a position of the open tape

Device and method for manufacturing bag with chuck tape

The inner bottom () of a female-like projection () is provided with an elastic viscous material () continuous along the longitudinal direction so as to bulge into a space defined between hooks () of the female-like projection (). When a female-like projection () is fitted in the female-like projection (), the elastic viscous material () is pressed against the head () of the male-like projection () so as to be abutted against the head () of the male-like projection () while undergoing elastic deformation, and is in intimate contact with the surface of the front end side of the head () by the adhesive force and elastic force, whereby the airtightness of the zipper-equipped bag can be secured.

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Bunkyo-ku, Japan

Takehiro Iwamoto