Moulds; Cores; Mandrels

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

WORKING CEMENT, CLAY, OR STONE

Subclass:

SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER

Related Keywords

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 7/1 Moulds with means incorporated therein, or carried thereby, for ejecting the moulded article
• B28B 7/14 Moulds with means incorporated therein, or carried thereby, for cutting the moulded article into parts
• B28B 7/16 Moulds for making shaped articles with cavities or holes open to the surface
• B28B 7/2 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
• B28B 7/34 Moulds, cores, or mandrels of special material, e.g. destructible materials
• B28B 7/36 Linings or coatings
• B28B 7/38 Treating surfaces of moulds, cores, or mandrels to prevent sticking
• B28B 7/4 characterised by means for modifying the properties of the moulding material