CPC Main Group
B28B 7/00 Moulds; Cores; Mandrels (specially adapted for the production of the tubular articles B28B21/00; )
24 direct subcodes
Child Classifications
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- B28B 7/02 Moulds with adjustable parts
- B28B 7/06 Moulds with flexible parts
- B28B 7/08 Moulds provided with means for tilting or inverting
- B28B 7/10 Moulds with means incorporated therein, or carried thereby, for ejecting the moulded article ( devices, not forming part of the mould, for ejecting the moulded article B28B13/06)
- B28B 7/14 Moulds with means incorporated therein, or carried thereby, for cutting the moulded article into parts ( cutting means independent of the mould B28B11/14)
- B28B 7/16 Moulds for making shaped articles with cavities or holes open to the surface
- B28B 7/20 Moulds for making shaped articles with undercut recesses, e.g. dovetails
- B28B 7/22 Moulds for making units for prefabricated buildings ; Moulds for making prefabricated stair units
- B28B 7/24 Unitary mould structures with a plurality of moulding spaces
- B28B 7/26 Assemblies of separate moulds
- B28B 7/28 Cores; Mandrels