Method and apparatus for manufacturing a retroreflective device

Details Method and apparatus for manufacturing a retroreflective device Method and apparatus for manufacturing a retroreflective device

C - Chemistry, Metallurgy

03

C

C03C 12/02 (2006.01) C09D 5/22 (2006.01) C09K 11/02 (2006.01) E01C 23/16 (2006.01) E01F 9/04 (2006.01) G02B 5/124 (2006.01)

Patent

CA 2482255

The present application relates to a method and apparatus for manufacturing an agglomeration of glass beads consisting of a plurality of glass beads bound together by means of a binder material. An apparatus is described which includes a dispensing device (3a: 3b: 3c) having a plurality of channels (5) along which, in use, binder material flows. Each of the channels terminates in an outlet (B) and is in fluid communications with a single binder inlet (6). Importantly, the channels are of substantially identical length and diameter. One or more dispensing devices may be coupled to a single distribution unit (2)

L'invention concerne un procédé et un appareil pour la fabrication d'un agglomérat de billes de verre constitué d'une pluralité de billes de verre liées entre elles par un liant. L'appareil décrit comprend un dispositif de distribution (3a; 3b; 3c) comportant une pluralité de canaux (5) à travers lesquels, à l'utilisation, le liant s'écoule. Chacun des canaux aboutit à un orifice de sortie (8) et est en communication fluidique avec un seul orifice d'entrée (6) de liant. Il importe que les canaux présentent sensiblement une longueur et un diamètre identiques. Un ou plusieurs dispositifs de distribution peuvent être couplés à une seule unité de distribution (2).

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