HOUSING FOR PLASTIC, METAL POWDER, CERAMIC POWDER OR FOOD PROCESSING MACHINES

摘要

PROBLEM TO BE SOLVED: To provide a housing for twin and multiple screw extruders which gives high-strength property and does not leave inadequate gaps and cavities easy for products and foreign matters to enter. SOLUTION: The housing (2) for plastic, metal powder, ceramic powder or food processing machines, more particularly for twin and multiple screw extruders, comprising several married bimetallic barrels (1) including a lining (6) and a backing (5) is characterized in that the bimetallic barrels (1) are diffusion bonded to each other.