Moulds or cores Details thereof or accessories therefor

BPERFORMING OPERATIONS TRANSPORTING B29Plastic substance processing B29CSHAPING OR JOINING OF PLASTICS SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL AFTER-TREATMENT OF THE SHAPED PRODUCTS

B29C33/00Moulds or cores Details thereof or accessories therefor

B29C33/0011thin-walled moulds B29C33/0016Lost moulds B29C33/0022Multi-cavity moulds B29C33/0027with deep narrow cavities B29C33/0033constructed for making articles provided with holes B29C33/0038with sealing means or the like B29C33/0044for sealing off parts of inserts projecting into the mould cavity B29C33/005characterised by the location of the parting line of the mould parts B29C33/0055with incorporated overflow cavities B29C33/0061characterised by the configuration of the material feeding channel B29C33/0066with a subdivided channel for feeding the material to a plurality of locations B29C33/0072with a configuration promoting turbulency B29C33/0077characterised by the configuration of the mould filling gate ; accessories for connecting the mould filling gate with the filling spout B29C33/0083Electrical or fluid connection systems therefor B29C33/0088Multi-face stack moulds B29C33/02with incorporated heating or cooling means B29C33/026in rolls, calenders or drums B29C33/04using liquids, gas or steam B29C33/044in rolls calenders or drums B29C33/046using gas B29C33/048using steam B29C33/06using radiation B29C33/065in rolls, calenders or drums B29C33/08for dielectric heating B29C33/085using rolls, calenders or drums B29C33/10with incorporated venting means B29C33/12with incorporated means for positioning inserts B29C33/123for centering the inserts B29C33/126using centering means forming part of the insert B29C33/14against the mould wall B29C33/16using magnetic means B29C33/18using vacuum B29C33/20Opening, closing or clamping B29C33/202Clamping means operating on closed or nearly closed mould parts, the clamping means being independently movable of the opening or closing means B29C33/22by rectilinear movement B29C33/24using hydraulic or pneumatic means B29C33/26by pivotal movement B29C33/28using hydraulic or pneumatic means B29C33/30Mounting, exchanging or centering B29C33/301Modular mould systems [MMS], i.e. moulds built up by stacking mould elements B29C33/302Assembling a large number of mould elements to constitute one cavity B29C33/303centering mould parts or halves B29C33/304centering cores B29C33/305Mounting of moulds or mould support plates B29C33/306Exchangeable mould parts B29C33/307Mould plates mounted on frames; Mounting the mould plates; Frame constructions therefor B29C33/308Adjustable moulds B29C33/32using magnetic means B29C33/34movable B29C33/36continuously movable in one direction B29C33/38characterised by the material or the manufacturing process B29C33/3807Resin-bonded materials B29C33/3814Porous moulds B29C33/3821composed of particles enclosed in a bag B29C33/3828Moulds made of at least two different materials having different thermal conductivities B29C33/3835Designing moulds B29C33/3842Manufacturing moulds B29C33/3857by making impressions of one or more parts of models B29C33/3878used as masters for making successive impressions B29C33/3885the mould parts being co-operating impressions B29C33/3892Preparation of the model B29C33/40Plastics B29C33/405Elastomers B29C33/42characterised by the shape of the moulding surface B29C33/424Moulding surfaces provided with means for marking or patterning B29C33/428For altering indicia B29C33/44with means for , or specially constructed to facilitate, the removal of articles B29C33/442with mechanical ejector or drive means therefor B29C33/444for stripping articles from a mould core B29C33/446and using a rotating movement to unscrew articles B29C33/448destructible B29C33/46using fluid pressure B29C33/48with means for collapsing or disassembling B29C33/485cores or mandrels B29C33/50elastic or flexible B29C33/505cores or mandrels B29C33/52soluble or fusible B29C33/54made of powdered or granular material B29C33/56Coatings B29C33/565Consisting of shell-like structures supported by backing material B29C33/58Applying the releasing agents B29C33/60Releasing, lubricating or separating agents B29C33/62based on polymers or oligomers B29C33/64Silicone B29C33/66Cellulose Derivatives thereof B29C33/68Release sheets B29C33/70Maintenance B29C33/72Cleaning B29C33/722Compositions for cleaning moulds B29C33/74Repairing B29C33/76Cores