STRUCTURE FOR OPENING/CLOSING INJECTION PORT OF FLEXIBLE CONTAINER BAG

PROBLEM TO BE SOLVED: To make a cylindrical injection port into a flat configuration, and also making an open configuration into a predetermined configuration positively by forming a plurality of folded parts to be a gusset configuration at the cylindrical injection port in the circumferential direc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAWAKI TAKESHI, WATANABE SUMIO, ISHIZU NOBUHIKO
Format: Patent
Sprache:eng
Schlagworte:
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