CPC Subgroup
B29C 44/20 for articles of indefinite length
Full Title
Shaping by internal pressure generated in the material, e.g. swelling or foaming > for articles of indefinite length
7 direct subcodes
Child Classifications
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- B29C 44/22 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
- B29C 44/26 using several expanding steps
- B29C 44/28 Expanding the moulding material on continuous moving surfaces
- B29C 44/30 Expanding the moulding material between endless belts or rollers
- B29C 44/32 Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements