DIFF Subgroup
B29C 44/30 Expanding the moulding material between endless belts or rollers
Introduced: January 1995
Full Title
Shaping by internal pressure generated in the material, e.g. swelling or foaming > for articles of indefinite length > Expanding the moulding material between endless belts or rollers
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Child Classifications
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