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US 5,671,873 AGranted
Proportioning apparatus for viscous materials
AssigneeLudwig Schwerdtel GmbH
InventorsNorbert Hammerl, Horst Fleischer
Life of this patent
Estimating the term…
Abstract
A proportioning apparatus for viscous materials comprises a proportioning cylinder which has an inlet and an outlet. The proportioning cylinder houses a delivery piston actuable by way of an actuating rod. The latter is drivable by an electric motor, which is connected with the actuating rod by way of a crank drive.
Claims10
A proportioning apparatus for viscous materials comprising:
- frame (1),
- a proportioning cylinder (5) mounted on the frame (1) and having an inlet (8) and an outlet (11) and a central longitudinal axis (7),
- a delivery piston (6) disposed in the proportioning cylinder (5) displaceably along said central longitudinal axis (7),
- an inlet valve (9) for closing and opening the inlet (8),
- an outlet valve (12) for closing and opening the outlet (11),
- a proportioning drive (4)
- with an actuating rod (19) displaceable in the direction of the central longitudinal axis (7) and movable into delivering contact with the delivery piston (6), and
- with an electric motor (14) coupled with the actuating rod (19) by way of a crank drive (18).
5 more elements
Dependencies are inferred from the claim text.