flexible, e.g. blown foils

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) > characterised by the shape of the extruded material at extrusion > Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels > flexible, e.g. blown foils