Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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B29C
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
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48/00
Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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B29C48/25
Component parts, details or accessories; Auxiliary operations
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B29C48/36
Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
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B29C48/507
characterised by the material or their manufacturing process
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B29C48/509
Materials, coating or lining therefor
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B29C48/509

Screw For An Extruder And Extruder Device
20260070277 · 2026-03-12 ·

The extruder screw comprises a screw body (2) coated by an external functionalization coating (4), and also at least partially coated by a wear detection-quantification coating (5) arranged between the external surface (3) of the screw body (2) and the external functionalization coating (4), and detectable with respect to the external functionalization coating (4).