Abstract: Device for lateral flow charging of an extruder in which material is fed to at least one conveyor screw disposed in an extruder housing. The material contains gaseous concomitant materials, wherein a degassing housing for receiving an air flow is disposed on the extruder housing, which air flow acts in the extruder housing and which is directed contrary to the conveying direction of the conveyor screw.

Abstract: Device for lateral flow charging of an extruder in which material is fed to at least one conveyor screw disposed in an extruder housing. The material contains gaseous concomitant materials, wherein a degassing housing for receiving an air flow is disposed on the extruder housing, which air flow acts in the extruder housing and which is directed contrary to the conveying direction of the conveyor screw.

Abstract: A multi-shaft extruder has between an exterior housing (9) and an interior housing (10) at least six worm shafts (4) disposed in a circle (7). The drive (1) of the multi-shaft extruder has two pinion shafts (2) which are partitioned into groups of identical design and disposed on a circle (7), the pinion shafts being radially driven from the inside and from the outside at equal forces and in the same direction and in diametrical opposition and coaxially connected to the worm shafts (4) of the process part (5) via couplings (3), the worm shafts (4) having a feed length (L) of at least six Do and a Do/Di ratio of 1.5 to 1.93, wherein Do is the outside diameter and Di is the inside diameter of the feed screws (11, 12, 13) and the torque density of the extruder is at least 50 Nm/cm3.

Abstract: An apparatus for homogenizing and/or dispersing at least one viscous substance and at least one solid and/or at least one other substance of different viscosity includes in a space in a housing axis-parallel rotatable shafts disposed along a circle with equal central-angle distance and provided with tightly intermeshing screw elements. The shafts in the area outside the openings in the housing are provided with screw elements having a pitch (S) of at most three quarters of the outside screw diameter (D) over a length (L=L1+L2+L3) corresponding to at least ten times the outside diameter (D) of the screw elements.

Abstract: An apparatus for homogenizing and/or dispersing at least one viscous substance and at least one solid and/or at least one other substance of different viscosity has in a space (3) in the housing (1) axis-parallel rotatable shafts (4) disposed along a circle with equal central-angle distance and provided with tightly intermeshing screw elements (6). The shafts (4) in the area outside the openings (9, 11, 12) in the housing (1) are provided with screw elements (6) having a pitch (S) of at most three quarters of the outside screw diameter (D) over a length (L=L1+L2+L3) corresponding to at least ten times the outside diameter (D) of the screw elements (6).

Abstract: In order to position the screw elements (6) axially precisely on the shafts (1) of a multi-shaft screw-type machine, a split stop ring (8) against which the screw elements (6) are prestressed is provided in a first ring groove (9) of the shaft (1). Spaced from the first ring groove (9), a second ring groove (11) with a screw thread (14) is provided. A straining ring (18) to be prestressed against the stop ring (8) and connected with the shaft (1) so as to rotate in unison is in screw connection with the screw thread (14).

Abstract: A machine for continuous processing of flowable materials has at least one shaft (4) with worm or similar processing elements (9, 15, 16). The housing (1) has at least one material inlet (14) at one end and at least one material outlet at the other end. The housing (1) is further provided with a flange (22) to which the driving member (8) is fastened with tension rods (28). The flange (22) is disposed so as to form between it and the driving member (8) a housing portion (13) with the material inlet (14) which is largely relieved of tensile forces. In order to also relieve the housing portion (13) of torques, the flange (22) is in addition connected so as to rotate in unison with a frame (27) to which the driving member (8) is fastened.

Abstract: A machine for continuous processing of flowable materials has a plurality of axis-parallel shafts in a space in a housing along a circle. Each shaft includes shaft bearing processing elements which tightly intermesh adjacent shafts. Between a material inlet at one end of the housing and a material outlet at the other end thereof, the housing jacket is divided radially into short segments with further passages and long segments, the length of the long segments being smaller than the outside distance thereof.