Diversey Lever, Inc.

Jakob Van Dijk

Leendert Los

Lucas Alphonsus Evers

Ruud Klarenbeek

Ronald M&uuml;ller

Miro Pobuda

A method is provided for dosing powdered material from a supply container having a vertically suspending discharge tube of an elastically deformable material, by squeezing said discharge tube at locations, which periodically move along a part of the discharge tube length. In this method, the squeezing of the discharge tube is effected in a similar way as the flexible tube of a peristaltic pump of the type, with which the tube engages a support wall on one side and with which a peristaltic mechanism is provided on the opposite side for squeezing the tube according to a travelling wave, the length of which does not exceed one single wave length.

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Maarssen, Netherlands

Jakob Van Dijk