CPC Subgroup
B29C 48/6914 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 > Details of extruders > Filters or screens for the moulding material > Arrangements for replacing filters, e.g. with two parallel filters for alternate use
1 direct subcode
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