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Unilever tries self-piercing closure

Unilever Bestfoods Europe has adopted a new self-piercing plastic closure for its Calvé mayonnaise that’s marketed in the Netherlands.

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The closure, when screwed down by the consumer, pierces the aluminum foil inner seal that’s applied by conduction sealing.

The polypropylene one-piece closure was created by Bericap’s R&D Center of Dijon, France. The flip-top, one-hand-dispensing closure eliminates the need for the consumer to remove the closure and peel off the inner seal. The closure is applied with a tamper-evident band that is first removed by the consumer before torquing down the cap to open the inner seal.

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