B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 63/22 (2006.01) B29C 65/18 (2006.01) B29C 65/56 (2006.01) B65D 41/04 (2006.01)
Patent
CA 2252129
A method of constructing a lined closure in which a liner having a circular base, a liner membrane and a thermoplastic adhesive securing the liner membrane to the base, is press fitted into a closure having a skirt with internal threads such that the liner engages and rides over the threads and is positioned against the internal base of the closure. Heat is applied to the liner at least around the periphery of the liner so as to melt the thermoplastic adhesive and resecure the liner membrane to the liner base. In this way, the liner membrane is resecured to the liner base so as to correct any separation between the membrane and base that might have occurred as the liner was press fitted into the closure.
Méthode de fabrication d'une fermeture doublée dont la doublure comprend une base circulaire, une membrane et un adhésif thermoplastique fixant la membrane à la base. La doublure est emmanchée à force dans une fermeture ayant une jupe à filets internes de façon à engager les filets et à glisser sur ces derniers, et elle est placée contre la base intérieure de la fermeture. De la chaleur est appliquée sur la doublure, au moins autour de la périphérie, de façon à faire fondre l'adhésif thermoplastique et à fixer de nouveau la membrane à la base de la doublure. Ainsi, la membrane est fixée de nouveau à la base de la doublure de façon à corriger toute séparation qui peut se produire entre la membrane et la base lorsque la doublure est emmanchée à force dans la fermeture.
Gowling Lafleur Henderson Llp
Owens-Illinois Closure Inc.
LandOfFree
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