Inventor
SPIELHOFF HORST
DE3 patents
Patents
3 patentsUS4192617AMar 11, 1980
Screw extruder for processing rubber or plastics material
BERSTORFF GMBH MASCH HERMANN65 citations91
US4176967ADec 4, 1979
Apparatus for the preparation of thermoplastic materials
BERSTORFF GMBH MASCH HERMANN32 citations89
US4234298ANov 18, 1980
Apparatus for removing a cylinder from a screw extruder
BERSTORFF GMBH MASCH HERMANN15 citations69