| 摘要 |
A first body of fastener material (5) is joined to a first web of panel material (1) while a second body of fastener material (6) is joined to a second web of panel material (2). The first and second bodies of fastener material (5) and (6) are interposed between the first and second webs of panel material (1) and (2) and aligned with each other after the first and second webs of panel material (1) and (2) are superposed with each other. A third body of fastener material (7) is joined to a web of side gusset material (3) to be interposed between the first and second bodies of fastener material (5) and (6) after the first and second webs of panel material (1) and (2) are superposed with each other, the first and second bodies of fastener material (5) and (6) being aligned with the third body of fastener material (7). |
