Shaping by casting

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

B29C39/00Shaping by casting

B29C39/003characterised by the choice of material B29C39/006Monomers or prepolymers B29C39/02for making articles of definite length B29C39/021by casting in several steps B29C39/023for making multicoloured articles B29C39/025for making multilayered articles B29C39/026characterised by the shape of the surface B29C39/028having an axis of symmetry B29C39/04using movable moulds not applied B29C39/06continuously movable B29C39/08Introducing the material into the mould by centrifugal force B29C39/10incorporating preformed parts or layers B29C39/12Making multilayered or multicoloured articles B29C39/123Making multilayered articles B29C39/126by casting between two preformed layers B29C39/14for making articles of indefinite length B29C39/142by casting in serveral steps B29C39/144for making multicoloured articles B29C39/146for making multilayered articles B29C39/148characterised by the shape of the surface B29C39/16between endless belts B29C39/18incorporating preformed parts or layers B29C39/20Making multilayered or multicoloured articles B29C39/203Making multilayered articles B29C39/206by casting between two preformed layers B29C39/22Component parts, details or accessories Auxiliary operations B29C39/24Feeding the material into the mould B29C39/26Moulds or cores B29C39/265comprising two large plates positioned at a small distance from each other B29C39/28with means to avoid flashes B29C39/30with means for cutting the article B29C39/32with joints or the like for making the mould impervious B29C39/34for undercut articles B29C39/36Removing moulded articles B29C39/38Heating or cooling B29C39/40Compensating volume change B29C39/405by applying pressure to the casting composition B29C39/42Casting under special conditions B29C39/44Measuring, controlling or regulating