PRESS FOR SQUEEZING VEGETABLE OIL Russian patent published in 1996 - IPC

FIELD: mechanical engineering. SUBSTANCE: press for squeezing vegetable oil has working chamber and two parallel conjugated worm shafts placed in it. The shafts have worms and groups of grinding mouthpieces alternating with them. The mouthpieces are shifted one relative to another forming helical channel. Working chamber has sections with unpenetrable wall located one after another. Groups of grinding mouthpieces are located inside sections with unpenetrable wall. Each section with unpenetrable wall is equipped with electric-heating element disposed around its wall from outer side. EFFECT: simpler design. 2 dwg