Photo-luminescent pigment application

Details Photo-luminescent pigment application Photo-luminescent pigment application

B - Operations, Transporting

05

D

B05D 5/06 (2006.01) B05C 19/04 (2006.01) B05C 19/06 (2006.01) B05D 1/12 (2006.01) F21K 2/00 (2006.01) B05D 3/02 (2006.01)

Patent

CA 2379669

A method of applying photo-luminescent pigment to a substrate, such as an aluminium or metal strip containing channels or depressions, includes preparing a dry powder formulation comprising a photo-luminescent pigment and a carrier/fixer, depositing the dry powder formulation onto the substrate surface, and heating to fuse the dry powder formulation to the substrate surface. The photo-luminescent pigment can be applied using an apparatus which includes a hopper adapted to contain the dry powder formulation, one or more orifices adapted to allow transfer of the dry powder formulation from the hopper to a substrate surface and a guide rail system for locating the substrate surface in both a fixed horizontal plane and a fixed vertical plane below the hopper and orifice.

L'invention concerne un procédé d'application de pigment photoluminescent à un substrat, tel qu'une bande d'aluminium ou de métal contenant des canaux ou des dépressions. Le procédé consiste à préparer une formulation de poudre sèche comprenant un pigment photoluminescent et un support/fixateur, à déposer la formulation de poudre sèche sur la surface du substrat, et à chauffer de manière à faire fusionner la formulation de poudre sèche avec la surface du substrat. Le pigment photoluminescent peut être appliqué au moyen d'un appareil comportant une trémie conçue pour contenir la formulation de poudre sèche, un ou plusieurs orifices conçus pour permettre le transfert de la formulation de poudre sèche de la trémie à la surface du substrat et un système de rail de guidage servant à localiser la surface du substrat à la fois dans un plan horizontal fixe que dans un plan vertical fixe en-dessous de la trémie et de l'orifice.

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