| 摘要 |
<p>The machine for producing this bag consisting of a heat-sealable material comprises means for maintaining two sets (7a), (7b) for transverse mutual heat sealing from two sets (8a), (8b), for longitudinal mutual heat sealing of two bands (6a), (6b), consisting of a heat-sealable film applied one against the other during a first part of the operating cycle of the machine and spaced apart from one another during a second part of the operating cycle of the machine. The invention is applicable to packagings of predetermined quantities of solids or liquids. <IMAGE></p> |
