CPC Subgroup
B29C 44/50 using pressure difference, e.g. by extrusion or by spraying
Full Title
Shaping by internal pressure generated in the material, e.g. swelling or foaming > Auxiliary operations > Feeding the material to be shaped > into an open space or onto moving surfaces, i.e. to make articles of indefinite length > using pressure difference, e.g. by extrusion or by spraying
3 direct subcodes
Child Classifications
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- B29C 44/52 between moving surfaces