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Dosage device i.e. spraying dosage device, for providing pre-determined volume dose of e.g. paste-like substance, has piston driven traverse to dosage chamber for moving pre-determined volume of substance into outlet exit nozzle
Dosage device i.e. spraying dosage device, for providing pre-determined volume dose of e.g. paste-like substance, has piston driven traverse to dosage chamber for moving pre-determined volume of substance into outlet exit nozzle
The device has a supply block (20) comprising a dosage chamber (24), and an operating unit acting on the supply block to move the dosage chamber between a filling position and a spraying position. An authorization line (62) fills the dosage chamber when the dosage chamber is arranged in the filling position. A piston (30) is adjusted by a control unit. The piston is driven traverse to the dosage chamber when the dosage chamber is arranged in the spraying position, to move a pre-determined volume of a substance e.g. oil, into an outlet exit nozzle (83).
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