Paint roller and apparatus and method for making the same

Details Paint roller and apparatus and method for making the same Paint roller and apparatus and method for making the same

B - Operations, Transporting

05

C

B05C 17/02 (2006.01) B29D 99/00 (2010.01) B29C 53/82 (2006.01) B29C 63/10 (2006.01) B29D 31/00 (2006.01)

Patent

CA 2074087

This invention relates to a method and apparatus for making reusable paint rollers comprised of a core formed from thermoplastic material. Known methods and apparatus suffer from the drawbacks of bulky preformed thermoplastic tubular cores that are difficult to handle and expensive to transport, long assembly lines and the need for a heater. The above problems are solved by providing a method and apparatus for making reusable paint rollers comprised of a core formed from thermoplastic material. The thermoplastic material is formed into a core (18) about a stationary mandril (14). An adhesive is then applied to the core (18) thereupon a cover (30) is bonded thereto. In a first embodiment, the core (18) is formed by winding a plurality of thermoplastic strips (24, 26, 28) about the mandril (14). In a second embodiment, the core (18) is formed by applying liquified thermoplastic material to a driven belt (16) which transfers the thermoplastic material to the mandril (14).

Méthode et appareil permettant de fabriquer des rouleaux à peinture réutilisables dont le support est fabriqué d'un matériau thermoplastique. Les méthodes et le matériel de fabrication actuels ont l'inconvénient d'utiliser des supports tubulaires en thermoplastique préformés volumineux et difficiles à manipuler, qui occasionnent des coûts élevés de transport et nécessitent de longues chaînes de montage ainsi qu'un appareil chauffant. La méthode et le matériel de fabrication de la présente invention éliminent ces problèmes. Le matériau thermoplastique est formé autour d'un cylindre fixe (14) de manière à créer un support (18), qui est enduit d'adhésif, auquel on ajoute un revêtement. Dans une première version, le support (18) est formé par l'enroulement d'un certain nombre de bandes thermoplastiques (24, 26, 28) autour du cylindre (14). Dans une seconde version, le support (18) est formé par l'application d'un matériau thermoplastique liquéfié sur une courroie entraînée (16) qui le transfère sur le cylindre (14).

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