Moulds; Cores; Mandrels (specially adapted for the production of the tubular articles B28B21/00; )

Child Classifications

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• B28B 7/0002
• B28B 7/0029
• B28B 7/0058
• B28B 7/0061
• B28B 7/0064
• B28B 7/0088
• B28B 7/0091
• B28B 7/0094
• B28B 7/0097
• 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
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