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US 5,169,523 AGranted
Filter plate for presses for pressing cocoa pastes
AssigneeCarle & Montanari S.p.A.
InventorsEnrico M. Carle, Marco G. Carle
Life of this patent
Estimating the term…
Abstract
A filter plate for use in a press for separating cocoa butter from cocoa paste includes a plate body having an inlet surface facing the paste, and an outlet surface in which a spiral collection channel is formed. A plurality of holes extends through the body between the inlet and outlet surfaces. The holes communicate with, and are spaced along, the spiral collection channel.
Claims11
A filter plate for use in a press for separating a liquid from a paste, comprising:
- a one-piece plate body having an inlet surface facing the paste, an outlet surface opposite to the inlet surface, a central region including a circular inner channel having a predetermined diameter, and an outer peripheral region including a circular outer channel having a diameter greater than said predetermined diameter,
- a spiral collection channel formed in the outlet surface and circling continuously from the central region in curves that constantly increase in size to the outer peripheral region, said spiral channel intersecting the inner channel at a start zone and intersecting the outer channel at an end zone, and
- a plurality of holes extending through the body from the inlet surface to the outlet surface, said holes being in open communication with, and spaced along the curves of, the spiral collection channel.
Dependencies are inferred from the claim text.