Method and apparatus for the application of liquid materials...

B - Operations – Transporting – 05 – D

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B05D 1/36 (2006.01) B05C 5/02 (2006.01) B05C 9/14 (2006.01) B05C 13/00 (2006.01) B05C 13/02 (2006.01) B05D 7/14 (2006.01) B29C 41/20 (2006.01) B65G 23/18 (2006.01)

Patent

CA 2194060

A method and apparatus for application of heat curable liquid (15) onto substrates is provided. The present invention allows high speed selective application of curable liquid (15) to a continuous succession of discrete substrates (74) disposed on a conveyor belt (18). Each substrate (74) is stabilized on the conveyor belt (18) via a stationary magnetic device (42), liquid applicator guns (30) are adjusted along a desired axis in relation to each substrate (74), heat curable liquid is applied, and each coated substrate is cured via heating device (54) in order to form a solid or foamed coating on at least a portion of each substrate. The present invention provides increased speed efficiency and adherence of the liquid cured onto the substrates.

Procédé et appareil destinés à l'application d'une substance liquide thermodurcissable (15) sur des substrats. La présente invention permet d'appliquer sélectivement, et à grande vitesse, un liquide durcissable (15) sur des substrats séparés (74), disposés sur une bande transporteuse (18) et se succédant en continu. Chaque substrat (74) est stabilisé sur la bande transporteuse (18) par l'intermédiaire d'un dispositif magnétique fixe (42), des pistolets applicateurs (30) de liquide sont ajustés le long d'un axe choisi par rapport à chaque substrat (74), un liquide thermodurcissable est appliqué, et chaque substrat enduit est soumis à l'action de durcissement d'un dispositif de chauffage (54) afin qu'un revêtement solide ou expansé soit formé sur au moins une partie de chaque substrat. La présente invention permet d'obtenir une cadence d'application accrue ainsi qu'une meilleure adhérence du liquide amené à durcir sur les substrats.

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