Composite closure and method of making same

Details Composite closure and method of making same Composite closure and method of making same

B - Operations, Transporting

65

D

B65D 41/00 (2006.01) B29C 45/14 (2006.01) B29C 45/16 (2006.01) B29C 70/76 (2006.01) B65D 39/00 (2006.01) B65D 41/04 (2006.01) B65D 41/34 (2006.01) B65D 41/47 (2006.01) B65D 51/14 (2006.01) B65D 53/04 (2006.01) B65D 79/00 (2006.01)

Patent

CA 2214775

A press-on, twist-off closure (11) for a screw-threaded container includes an end panel member (12) having a central portion formed of metal or other suitable oxygen barrier material which is adapted to overlie a mouth of the container and a gasket for forming a seal between said panel and said container. A cylindrical, plastic skirt (13) on the closure is formed by molding the same in surrounding and capturing relation to the end panel and at least a portion of the upper and lower surfaces of the end panel are generally free of plastic. A free edge on the outer periphery of the end panel member is encapsulated by at least one of said gasket and said molded plastic skirt.

Une fermeture (11) à pression et enlevée par torsion, et qui est destinée à un récipient à col portant un filetage, comporte un panneau terminal (12) présentant une partie centrale en métal ou en un autre matériau approprié étanche à l'oxygène et venant recouvrir le goulot du récipient, et une rondelle formant un joint destiné à assurer l'étanchéité entre le panneau et le récipient. Une jupe cylindrique (13) en plastique ménagée sur la fermeture est formée par un moulage entourant et immobilisant le panneau terminal, avec au moins une partie des surfaces supérieure et inférieure du panneau restant sensiblement exemptes de plastique. Un bord libre de la périphérie extérieure du panneau est encapsulé par la rondelle et/ou la jupe moulée en plastique.

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