Patent ID: 7014457

Claim:
Mould assembly ( 1 ) comprising two mould sections ( 2 , 3 ) which can be moved relative to one another and which delimit a mould cavity ( 11 ) between them for injecting a plastic therein, which mould sections are provided with mutually interacting centering means, said centering means of one mould section comprising a seat ( 4 ) and said centering means of the other mould section comprising a body ( 5 , 6 ), said body being embodied so as to fit tightly in the seat, characterised in that at least said seat or said body comprises at least five grooves ( 9 ) extending to the free end thereof in order to delimit at least five adjacent elements ( 8 ) for making clamping contact around the periphery thereof, with said body or said seat, wherein, in the non-engaged position, the effective internal diameter of said seat is 1–100 μm smaller than the effective external diameter of said body.