Apparatus for spraying liquids, and disposable containers...

B - Operations – Transporting – 05 – B

Patent

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Details

B05B 7/24 (2006.01)

Patent

CA 2277096

- A spray gun (1) has a fluid reservoir (11) which contains a removable liner (13). The liner (13), which may be thermo/vacuum-formed from a plastics material, is a close fit within the interior of the reservoir and collapses as fluid is withdrawn from within the liner during operation of the gun. Preferably, the liner has a comparatively-rigid base and is capable of standing, unsupported, outside the reservoir. The side walls of the liner are preferably thin in comparison to the base and can be collapsed for disposal of the liner. The reservoir (11) has a removable lid (15) and is capable of standing, inverted, on its own so that it can be filled with fluid. The lid (15) also functions to secure the liner (13) in the reservoir and, at the end of a spraying operation, the lid (15) and the liner (13) are removed together from the reservoir (11) and discarded, thereby simplifying the cleaning of the spray gun.

Un pistolet pulvérisateur (1) comprend un réservoir (11) de liquide contenant une garniture amovible (13). La garniture (13), pouvant être thermoformée ou formée sous vide à partir d'une matière plastique, est un ajustage étroit à l'intérieur du réservoir et elle s'écrase à mesure que le liquide est extrait de l'intérieur de la garniture pendant le fonctionnement du pistolet. De préférence, la garniture présente une base comparativement rigide et est capable de se tenir, sans support, à l'extérieur du réservoir. Les parois latérales de la garniture sont de préférence minces par rapport à la base et elles peuvent se replier afin de jeter ladite garniture. Le réservoir (11) comprend un couvercle amovible (15) et est capable de se tenir en position renversée sur lui-même de manière à permettre son remplissage avec le liquide. Le couvercle (15) à également pour fonction de fixer la garniture (13) dans le réservoir et, à la fin de la pulvérisation, le couvercle (15) et la garniture (13) sont retirés ensemble du réservoir (11) et jetés, simplifiant ainsi le nettoyage du pistolet pulvérisateur.

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