CPC Subgroup
B29C 48/395 using screws surrounded by a cooperating barrel, e.g. single screw extruders
Full Title
Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C49/04) > Component parts, details or accessories; Auxiliary operations > Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die > using screws surrounded by a cooperating barrel, e.g. single screw extruders
5 direct subcodes
Child Classifications
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- B29C 48/40 using two or more parallel screws , e.g. twin screw extruders
- B29C 48/445 Coaxially arranged screws, i.e. one within the other
- B29C 48/45 Axially movable screws
- B29C 48/455 Screws arranged to convey material towards each other, e.g. separate screws arranged after each other and feeding in opposite directions