Method of manufacturing overmolded containers, overmolded...

B - Operations – Transporting – 29 – C

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B29C 49/22 (2006.01) B29B 11/08 (2006.01) B29B 11/14 (2006.01) B65D 1/02 (2006.01) B29C 49/06 (2006.01) B29C 49/08 (2006.01)

Patent

CA 2601552

Overmolded containers (20) and methods of manufacture thereof are disclosed, which may provide enhanced visual and tactile characteristics, enabling innovative packaging designs, improved grippability and thermal insulation. The containers can be made cost effectively manner, with minimal impact on polymer recycling streams. The methods of making the container include the steps of providing a container preform (12) which comprises a thermoplastic polymer, such as a PET copolymer; overmolding an elastomeric material (14) over at least a portion of the preform to form an overmolded preform; and blow- molding the overmolded preform to form an overmolded container. In one embodiment, the overmolded container is a beverage container. Overmolded preforms are also disclosed.

La présente invention concerne des récipients surmoulés et des procédés pour les fabriquer permettant d'obtenir des caractéristiques visuelles et tactiles améliorées, des conceptions d'emballage innovante, une plus grande facilité de préhension et une meilleure isolation thermique. Les récipients peuvent être fabriqués de manière économique, avec un impact minimal sur les flux de recyclage des polymères. Les procédés pour fabriquer un tel récipient consistent à disposer d'une préforme de récipient comprenant un polymère thermoplastique, tel qu'un copolymère de PET, à surmouler une matière élastomère sur au moins une partie de la préforme, afin de former une préforme surmoulée, puis à mouler par soufflage la préforme surmoulée, afin de former un récipient surmoulé. Dans un mode de réalisation, le récipient surmoulé est un récipient à boisson.

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