Details of extruders

Full Title

Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor > 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

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL

Subclass:

SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING

Child Classifications

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• B29C 48/505 Screws
• B29C 48/68 Barrels or cylinders
• B29C 48/69 Filters or screens for the moulding material
• B29C 48/695 Flow dividers, e.g. breaker plates
• B29C 48/72 Feedback means, i.e. part of the molten material being fed back into upstream stages of the extruder
• B29C 48/74 Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder
• B29C 48/76 Venting means; Degassing means