Dispenser with draw-back mechanism

B - Operations – Transporting – 67 – D

Patent

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Details

B67D 99/00 (2010.01) A47K 5/12 (2006.01) B05B 11/02 (2006.01) B05C 17/01 (2006.01) B65D 83/76 (2006.01)

Patent

CA 2703965

This patent discloses tools, methods and systems for dispensing soap. The tools, methods and systems include a draw-back chamber constructed around and in line with the fluid path between a spout assembly for delivering soap to a user and a pump mechanism for supplying the soap. The draw-back chamber contains port openings into the fluid path. When the pump mechanism is actuated to dispense soap, the draw back chamber is collapsed and soap within it is dispensed with the main dose of soap supplied by the pump mechanism. When the pump mechanism is allowed to return to its extended rest state, the draw-back chamber expands, drawing soap into it through the port opening to prevent soap from hanging and dripping at the end of the dispensing tube.

L'invention concerne des dispositifs, des procédés et des systèmes de distribution de savon. Les dispositifs, les procédés et les systèmes comprennent une chambre de rappel formée autour d'un circuit de fluide et en ligne par rapport à celui-ci, et qui se situe entre un ensemble bec servant à fournir le savon à un utilisateur et un mécanisme de pompe pour l'apport du savon. La chambre de rappel contient des ouvertures d'accès communiquant avec le circuit de fluide. Quand le mécanisme de pompe est actionné pour distribuer le savon, la chambre de rappel s'affaisse et le savon se situant dans celle-ci est distribué avec la dose principale de savon fournie par le mécanisme de pompe. Quand le mécanisme de pompe revient à son état de repos déployé, la chambre de rappel s'agrandit en aspirant le savon à l'intérieur celle-ci par l'ouverture d'accès, afin d'éviter que le savon reste et s'égoutte à l'extrémité du tuyau de distribution.

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