CHUCK TAPE WITH CUT TAPE, ITS MANUFACTURING METHOD, AND PACKAGING BAG WITH CHUCK TAPE

摘要

A band-shaped root portion (331) of a female member (33) of a chuck tape (3) attached to the inner face of a bag body (2) has a wider portion (34) made wider toward the opening side of the bag body (2) than a band-shaped root portion (321) of a male member (32). In the wider portion (34), there is arranged a cut tape (4), on the surface of which a seal layer (5) is laminated. Moreover, a first protruding portion (35) is formed at the wider portion (34), and a second protruding portion (36) is formed at an opening-side end portion (321A) of the band-shaped root portion (321).These protruding portions are formed into generally trapezoidal sections. When the chuck tape (3) is fused to the bag body (2) and sealed with the seal layer (5), gaps are formed between the cut tape (4), and the first protruding portion (35) and the second protruding portion (36).