Dosing devices for viscous materials particularly highly viscous

Details Dosing devices for viscous materials particularly highly viscous Dosing devices for viscous materials particularly highly viscous

1984-07-25

1987-09-15

Rolla, Joseph J.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With discharge assistant for each source

222145, 222288, 222327, B67D 552

Patent

active

046933972

ABSTRACT:
A dosing device for dosing viscous materials has a dosing cylinder for a main material and at least one dosing cylinder for an additive and a common drive for the dosing pistons of said dosing cylinders. In order to permit the simple dosing of the main material and the at least one additive in a time-constant volume ratio, and in order to permit changes to the volume ratio to be made in a simple manner, while permitting the dosing of highly viscous main materials and additives, the dosing cylinders are arranged parallel to one another and their dosing pistons are arranged to be driven with an identical stroke. The dosing piston of the at least one additive dosing cylinder is constructed as a plunger with a smaller cross-section than the cross-section of the associated dosing cylinder. In addition, the plunger is sealingly guided in an interchangeable guide bush of the dosing cylinder. Moveover, the at least one additive dosing cylinder is interchangeably connected as a subassembly to a support frame.

REFERENCES:
patent: 3696710 (1972-10-01), Ortelli
patent: 3963148 (1976-06-01), Proni et al.
patent: 4030637 (1977-06-01), Boden et al.
patent: 4119126 (1978-10-01), Nabiullin et al.
patent: 4228924 (1980-10-01), Gilbert
patent: 4273261 (1981-06-01), Krueger
patent: 4286732 (1981-09-01), James et al.
patent: 4402428 (1983-09-01), Lang et al.
patent: 4411601 (1983-10-01), Hersom et al.

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