An airtight container cover that is made by double injection...

Details An airtight container cover that is made by double injection... An airtight container cover that is made by double injection...

B - Operations, Transporting

65

D

B65D 43/00 (2006.01) B65D 43/02 (2006.01)

Patent

CA 2404888

A thin packing cover needs some pressing and bending process to stick the packing material into the main cover. This inventory is the packing cover which can be manufactured without bending or pressing the main cover by the processing of double injection molding method that can inject the packing plastic material from upper and under packing place of the main cover.

Usuellement, on doit utiliser des pressions et des torsions pour injecter un matériau assurant l'étanchéité d'un couvercle mince d'emballage. Selon l'invention, on peut arriver au même résultat sans pression ni torsion en recourant à une double injection, depuis le haut et depuis le bas, pour mettre en place le matériau d'étanchéité

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