Apparatus for hardening a layer on a substrate

Details Apparatus for hardening a layer on a substrate Apparatus for hardening a layer on a substrate

B - Operations, Transporting

41

F

B41F 23/04 (2006.01) B05D 3/06 (2006.01) B41M 7/00 (2006.01) F26B 3/28 (2006.01)

Patent

CA 2220108

According to the invention, a layer which can be hardened by radiation is located on a substrate surface of paper, glass, plastics, wood or metal, the layer on the substrate, which is guided through a hardening stage, being subjected to radiation with ultraviolet light whilst the lamp chamber is flushed directly with a gas. The layer can be simultaneously tempered and rendered inert or treated in a chemically active manner.

Selon l'invention, une couche pouvant durcir par exposition à des rayonnements, se trouve sur une surface porteuse en papier, en verre, en plastique, en bois ou en métal. Cette couche, qui se trouve sur le substrat guidé dans un étage de durcissement, est soumise à l'action des rayons d'une lumière ultraviolette, l'enceinte où se trouvent les lampes étant rincée directement à l'aide d'un gaz. La couche est simultanément tempérée et rendue inerte ou soumise à un traitement chimique actif.

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