Moulds Cores Mandrels

BPERFORMING OPERATIONS TRANSPORTING B28Stoneworking B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL

B28B7/00Moulds Cores Mandrels

B28B7/0002Auxiliary parts or elements of the mould B28B7/0005Mould identification means B28B7/0008Venting channels B28B7/0011Mould seals B28B7/0014Fastening means for mould parts B28B7/0017for attaching mould walls on mould tables B28B7/002using magnets B28B7/0023using vacuum B28B7/0026using adhesive B28B7/0029Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465 B28B7/0032Moulding tables or similar mainly horizontal moulding surfaces B28B7/0035Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding B28B7/0038the sidewalls of mould and moulded article moving only past each other B28B7/0041the sidewalls of the mould being moved only parallelly away from the sidewalls of the moulded article B28B7/0044the sidewalls of the mould being only tilted away from the sidewalls of the moulded article B28B7/0055Mould pallets; Mould panels B28B7/0058Moulds, cores or mandrels with provisions concerning the elimination of superfluous material; Moulds with burr-removing means provided therein or carried thereby B28B7/0061Moulds, cores or mandrels specially adapted for mechanically working moulding surfaces during moulding or demoulding B28B7/0064Moulds characterised by special surfaces for producing a desired surface of a moulded article B28B7/0067with polished or glossy moulding surfaces B28B7/007with moulding surfaces simulating natural effets B28B7/0073with moulding surfaces simulating assembled bricks or blocks with mortar joints B28B7/0076with surfaces for moulding letters or marks B28B7/0079with surfaces for moulding interlocking means B28B7/0082with surfaces for moulding parallel grooves or ribs B28B7/0085with surfaces for moulding chamfers B28B7/0088Moulds in which at least one surface of the moulded article serves as mould surface B28B7/0091Transformable moulds allowing the change of shape of an initial moulded preform by preform deformation or the change of its size by moulding on the preform B28B7/0094Moulds for concrete test samples B28B7/0097Press moulds; Press-mould and press-ram assemblies B28B7/02Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article B28B7/025the mould surface being made of or being supported by a plurality of small elements B28B7/04one or more of the parts being pivotally mounted B28B7/06Moulds with flexible parts B28B7/065Casting in sack or bag like moulds B28B7/08Moulds provided with means for tilting or inverting B28B7/082Tiltable moulding tables or similar moulding surfaces B28B7/085for making double wall panels B28B7/087using rocker or rolling means B28B7/10Moulds with means incorporated therein, or carried thereby, for ejecting or detaching the moulded article B28B7/12by fluid pressure B28B7/14Moulds with means incorporated therein, or carried thereby, for cutting the moulded article into parts B28B7/16Moulds for making shaped articles with cavities or holes open to the surface B28B7/162for building blocks or similar block-shaped articles B28B7/164for plates, panels, or similar sheet- or disc-shaped articles B28B7/166for oblong articles B28B7/168for holders or similar hollow articles B28B7/18the holes passing completely through the article B28B7/183for building blocks or similar block-shaped objects B28B7/186for plates, panels or similar sheet- or disc-shaped objects, also flat oblong moulded articles with lateral openings B28B7/20Moulds for making shaped articles with undercut recesses B28B7/22Moulds for making units for prefabricated buildings i.e. units each comprising an important section of at least two limiting planes of a room or space B28B7/225for making stairs or stair units comprising more than one step B28B7/24Unitary mould structures with a plurality of moulding spaces B28B7/241Detachable assemblies of mould parts providing only in mutual co-operation a number of complete moulding spaces B28B7/243for making plates, panels or similar sheet- or disc-shaped objects B28B7/245using transportable mould batteries B28B7/246for making oblong objects B28B7/248using angle-shaped mould parts B28B7/26Assemblies of separate moulds B28B7/263for making plates, panels or similar sheet- or disc-shaped objects B28B7/266for making oblong objects B28B7/28Cores Mandrels B28B7/285Core puller B28B7/30adjustable, collapsible, or expanding B28B7/303specially for making undercut recesses or continuous cavities the inner section of which is superior to the section of either of the mouths B28B7/306pliable or extensible B28B7/32inflatable B28B7/34Moulds, cores, or mandrels of special material B28B7/342which are at least partially destroyed B28B7/344from absorbent or liquid- or gas-permeable materials B28B7/346Manufacture of moulds B28B7/348of plastic material or rubber B28B7/36Linings or coatings B28B7/362specially for making moulded articles from concrete with exposed aggregate B28B7/364of plastic material or rubber B28B7/366Replaceable lining plates for press mould B28B7/368Absorbent linings B28B7/38Treating surfaces of moulds, cores, or mandrels to prevent sticking B28B7/382Devices for treating B28B7/384Treating agents B28B7/386Cleaning B28B7/388with liquid material B28B7/40characterised by means for modifying the properties of the moulding material B28B7/42for heating or cooling B28B7/44for treating with gases or degassing B28B7/46for humidifying or dehumidifying B28B7/465Applying setting liquid to dry mixtures