Patent ID: 7563090
Filing Date: 2009-07-21
Classification: B29C,B29K,B29L

Abstract:
1. A molding device for manufacturing containers, particularly bottles, made of a thermoplastic such as PET by blow molding or stretch-blow-molding, and which are liable to have different heights, said molding device comprising at least one mold which comprises two mold halves able to move relative to one another and a mold base able to move relative to the two mold halves in axial translation, each mold half and the mold base comprising respective molding cavity portions which, when the mold is in the closed position, together define a molding cavity, the mold base being supported by a mold base support with which axial-movement means are functionally associated, the mold base and the mold base support being secured to one another via variable-height spacer means that can be adjusted in relation to the height of the molding cavity and which are made in the form of threaded means, wherein the variable-height spacer means are threaded means having two screw threads of opposite hand secured to the mold base and to the mold base support, whereby the mold base can be positioned axially in relation to the height of the molding cavity without changing the mold base support and/or the movement means functionally associated with it.