A - Human Necessities – 21 – C
Patent
A - Human Necessities
21
C
107/12
A21C 9/02 (2006.01)
Patent
CA 1105776
ABSTRACT OF THE DISCLOSURE In a household machine for the production of food pastas, the improvement comprising a shaft mounted for rotation about a horizontal axis within a pasta mixing vat which shaft has a set of radially extending kneading elements detachably secured to said shaft. The dimensions of the shaft and elements and the spacing between the elements are chosen so as to provide a homogenous pasta mixture which avoids adhesion or encrustation of the pasta mixture around the shaft and bases of the elements. The shaft and kneading elements are preferably smooth and convex surface so that they can be quickly and thorougly cleaned. In addition, the shaft and kneading elements have no specific surfaces for guiding a pasta mixture and they drag the ingredients into a rotary motion which promotes the formation of lumps. These lumps constitute true and proper nucleii of initiation of the mixture, which gradually expand and little by little incorporate all the ingredients. The pressure which arises between these nucleii of the mixture becomes too great for them to move freely without mutual interference. However, these pressures involve mainly the various parts of the mixture, without exerting excessive forces on the shaft and kneading elements, in view of the relatively small area of the kneading elements. Thus, the machine can be operated with low-powered motors. In particular; the arrangement of the kneading elements on the shaft results in negligable axial thrust on the shaft.
298826
Borden Ladner Gervais Llp
S.p.a. R. Bialetti & C.
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