Fiberizer for stock suspensions for fabricating paper

A fiberizer for stock suspensions for fabrication of paper, comprising:

• a closed housing possessing a circumferential jacket in a form of a body of rotation;
• said housing possessing an end portion;
• a screen arranged within said housing at a region of said end portion;
• means for imparting a rotational movement to a stock suspension contained within an internal chamber of said housing about a lengthwise axis of said housing;
• said housing possessing an end wall located remote from said screen;
• guide means provided for said end wall of said housing;
• said guide means being arranged transversely with respect to a tangential circumferential direction of the housing and protruding into the internal chamber of said housing;
• said end wall is located opposite said screen;
• said guide means are mounted at said oppositely located end wall and extend radially with respect to said end wall and said lengthwise axis of the housing;
• said housing defines a good stock chamber at an end region thereof located remote from said end wall;
• said good stock chamber being located at a side of said screen which faces away from said end wall;
• and
• said guide means inhibiting return flow of good stock from said good stock chamber through said screen.