Mixing and kneading machine

Details Mixing and kneading machine Mixing and kneading machine

1972-10-03

1977-01-25

Christian, Leonard D.

B29B 104, B29B 106

Patent

active

040047881

ABSTRACT:
A method of increasing the output of a mixing and kneading machine consisting essentially of a casing of fixed length having a screw shaft arranged in the casing and at least four mixing and kneading vanes; the casing being provided with kneading elements equal in number to said vanes and projecting radially inwardly on the inner wall of said casing and means for simultaneously rotating and reciprocating at least once per rotation the screw shaft within said casing; the method steps comprising the steps of doubling or tripling the diameter of the casing while simultaneously increasing the core diameter of said screw by an amount to maintain unchanged the difference between the casing diameter and the diameter of the screw and simultaneously reducing the screw speed about one half or about one third, respectively. In accordance with the method there is provided a number of worm vanes and of kneading elements which is multiplied by about two or about three, respectively, and further increasing the number of axial rotational movements of the screw by at least the same factor as the increase in the screw diameter.

REFERENCES:
patent: 3023455 (1962-03-01), Geier et al.
patent: 3253818 (1966-05-01), Seddon et al.
patent: 3458894 (1969-08-01), Wheeler

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