| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a compressible bag manufactured by one process, reduced in its production cost, easy to handle because of low resistance at the time of manual degassing, and enhanced in the degree of freedom of a design. <P>SOLUTION: A plurality of sheets 11, 12, 31 and 32 continued in their longitudinal direction without being interrupted are continuously supplied in their longitudinal direction to be superposed one upon another and bonded at a predetermined position to form an article housing part 2 having a space capable of housing an article and an air passage part 3 continuied to the space of the article housing part 2. As the sheets, a front sheet 11, a back sheet 12 of which the width dimension being the dimension in its lateral direction is equal to the width dimension of the front sheet 11, at least one valve body sheet 31 arranged between both sheets 11 and 12 and having width dimension smaller than that of each of both sheets 11 and 12, and the pedestal sheet 32 arranged between at least one of both sheets 11 and 12 and the valve body sheet 31 and having width smaller than that of the valve body sheet 31. <P>COPYRIGHT: (C)2007,JPO&INPIT |
