Patent ID: 7249944
Filing Date: 2007-07-31
Classification: B29C

Abstract:
1. A device for blow-molding or blow-drawing of containers, such as bottles, flasks, etc. made from thermoplastic preforms, this molding device being movable, mainly rotatable, and comprising: at least one mold of the wallet type having two half-molds connected to one another by a mutual pivot shaft, two link rods secured to one another, by a first articulation, at one of their ends and secured with articulation, at their other end, respectively to the two half-molds either side of said mutual pivot shaft, and actuation means that are connected to said first articulation and that comprise at least one cam follower suitable for interacting with at least one respective fixed cam in order to generate an approximately linear movement of said articulation toward the mold or away from the latter, being accompanied respectively by the closure or the opening of the mold, wherein associated with said articulation are compensating means suitable for acting in such a way that said at least one cam follower is permanently kept in contact with the respective cam.