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
B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29C45/14065—Positioning or centering articles in the mould
B29C45/14073—Positioning or centering articles in the mould using means being retractable during injection
Procede de fabrication d'un corps creux allonge, notamment d'un catheter urinaire, par moulage par injection d'un materiau thermoplastique dans un moule
Procede et dispositif de fabrications de pieces moulees en matiere plastique, en particulier des elements formant des becs sur des recipients d'emballage