Film with barrier coating and method of manufacture and of...

B - Operations – Transporting – 23 – B

Patent

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Details

B23B 27/08 (2006.01) B23B 7/12 (2006.01) B66B 31/02 (2006.01)

Patent

CA 2704369

An elastic and resilient film for application to an endless moving handrail includes a first layer having a top surface and a bottom surface and having an adhesive on the bottom surface and a first barrier coating on the top surface, the first barrier coating substantially retarding the transmission of materials blooming from the endless moving handrail. Optionally a second layer has a top surface and a bottom surface overlying the first layer. The first and second layers and the barrier coating have sufficient resilience to accommodate strains occurring on the surface of the endless moving handrail. The second layer has a second adhesive on its bottom surface, and a substantially transparent layer overlies the top surface of the second layer, or the first layer if no second layer present. A method of manufacturing the film and a method of applying the film to a handrail are also provided.

L'invention porte sur un film élastique et résilient pour une application sur une main-courante sans fin mobile, lequel film comprend une première couche ayant une surface supérieure et une surface inférieure et ayant un adhésif sur la surface inférieure et un premier revêtement barrière sur la surface supérieure, le premier revêtement barrière retardant sensiblement la transmission d'une efflorescence de matériaux à partir de la main-courante sans fin mobile. Facultativement, une seconde couche a une surface supérieure et une surface inférieure recouvrant la première couche. Les première et seconde couches et le revêtement barrière ont une élasticité suffisante pour s'adapter à des déformations se produisant sur la surface de la main-courante sans fin mobile. La seconde couche comporte un second adhésif sur sa surface inférieure, et une couche sensiblement transparente recouvre la surface supérieure de la seconde couche, ou de la première couche si aucune seconde couche n'est présente. L'invention porte également sur un procédé de fabrication du film et sur un procédé d'application du film sur une main-courante.

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