Importance

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Abstract

The invention includes a pumping device (1, 1a) and a method for conveying a viscous medium, in particular adhesives. The pumping device (1, 1a) has a cylinder unit (20) as well as a piston unit (22), which is at least partially contained within the cylinder unit (20), with the cylinder unit (20) and the piston unit (22) together forming a conveying means (2), which operates according to the reciprocating piston principle. The pumping device (1, 1a) further has at least one drive shaft (7) communicating with a motor, via which drive shaft (7) the cylinder unit (20) and the piston unit (22) are rotationally movable about a common axis, and the pumping device (1, 1a) also has a forced guide being mechanically coupled with the conveying means (2), by means of which forced guide the rotating movement of the conveying means (2) is convertible into an alternating forward and return stroke of the piston unit (22) for the purpose of pumping the respective viscous medium.

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First Claim