Closure cap liners having oxygen barrier properties

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 41/42 (2006.01) B65D 41/34 (2006.01) B65D 41/52 (2006.01) B65D 41/54 (2006.01) B65D 53/02 (2006.01) B65D 53/04 (2006.01)

Patent

CA 2419135

Liners (28) with improved oxygen barrier properties for use with closure cap shells (14) are disclosed. The liners (28) are made of a composition that includes a thermoplastic elastomer, polyisobutylene and polybutylene. The liner (28) is adhered to the inner facing surface of a closure cap (14).

L'invention concerne des garnitures (28) dotées de propriétés de barrière à l'oxygène utilisées dans des coques de bouchons (14) de fermeture. Ces garnitures (28) sont constituées d'une composition comprenant un élastomère thermoplastique, un polyisobutylène et un polybutylène. La garniture (28) adhère à la surface intérieure du bouchon de fermeture (14).

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