METHOD AND DEVICE FOR MANUFACTURING SEAL FILM, METHOD OF MANUFACTURING INNER SEAL ATTACHMENT CONTAINER, INNER SEAL MEMBER, AND METHOD OF SEALING CAP ATTACHMENT CONTAINER USING THE SAME

摘要

A first base is interfolded along a folding line 1c extending in a flow direction thereof, one portion 1a of two portions divided by the folding line of the first base overlaps with a second base so as to be sealed thereto, a laminated structure formed by the first to third bases is punched into a predetermined shape so as to include the folding line portion, and a handle portion is formed by sealed portions of the first and second bases.