B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
B29C45/17—Component parts, details or accessories; Auxiliary operations
B29C45/70—Means for plasticising or homogenising the moulding material or forcing it into the mould, combined with mould opening, closing or clamping devices
Groupe d'injection pour machine a mouler les matieres synthetiques, equipe d'une tremie disposee pour l'ecoulement de la matiere d'oeuvre sous forme granulee