| PATENT ASSIGNEE'S COUNTRY | UK |
| UPDATE | 04.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Mfg method from layflat plastics tubing - Extruding tubing of PE film - Folding lateral side portions of tubing to form gussets extending inwardly to depth < 1/3 width of gusseted tubing - Folding each gusseted side portion over a longitudinal fold line onto resp. face of medial tubing portion between side portions - Transversely heat sealing folded tubing |
| PATENT PHOTOCOPY | Available on request |
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