CPC Subgroup
B29C 48/18 the components being layers
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) > Articles comprising two or more components, e.g. co-extruded layers > the components being layers
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B29C 48/19 the layers being joined at their edges
- B29C 48/20 one of the layers being a strip, e.g. a partially embedded strip
- B29C 48/21 the layers being joined at their surfaces
- B29C 48/22 with means connecting the layers, e.g. tie layers or undercuts
- B29C 48/23 with means for avoiding adhesion of the layers, e.g. for forming peelable layers