MULTILAYER TAPE, ITS MANUFACTURING METHOD, AND PACKAGING BAG

摘要

In cross section of the multilayered tape 2A, the first surface layer 21 has nonuniform thickness in a width direction of the multilayered tape 2A. The first surface layer 21 includes thin portions 211 and 212 at its ends and a thick portion 213 interposed between the thin portions 211 and 212. These thin portions 211 and 212 and thick portion 213 provide a projection. The thin portions 211 and 212 are easily split or peeled, and the thick portion 213 is not easily split or peeled. The intermediate layer 23 adjacent to the first surface layer 21 is a recess to be fitted to the projection.