| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a novel packaging material of a gusset bag type which is formed from a biodegradable resin extrusion net having practically required strength and elasticity and sufficient seal strength. <P>SOLUTION: The novel packaging material of the gusset bag type, which is excellent in design and packaging, is formed from a biodegradable synthetic resin not. The packaging bag comprises, as shown in Fig., a bag main body opening (1), a main body (2), a bottom (3), a bottom seal (4), and a bottom seal reinforcement (5). <P>COPYRIGHT: (C)2003,JPO</p> |
