Made to tire-vulcanizing molds

A tire vulcanizing press comprising in combination a frame providing a lower support plate having one vulcanizing mold for vulcanizing tires therein, and an upper plate, mobile with respect to said lower plate, for keeping said mold closed during the vulcanizing phase and for shifting it with respect to said lower plate for controlling the opening and closing of the mold, said mold comprising at least one lower cheek, for being fixed to said lower plate, and an upper cheek that is mobile with respect to said lower cheek connected to said mobile plate, said press further comprising connecting means for fixing said lower cheek to said fixed plate and said upper cheek to said mobile plate, which comprises a series of bodies rotatable upon said fixed and mobile plates, which are actionable from the outside of said fixed and mobile plates each one of which being provided with at least one projecting part for cooperating with a corresponding shoulder made in said lower and upper cheeks, subsequent to the rotation of said bodies, said bodies comprising a plurality of rotatable shafts and wherein said projecting part comprises a head having a prismatic elliptical form and each shoulder comprises a perforation which is a circular chamber with an opening having an elliptical section that corresponds to that of said head to realize an undercut-connection between said projecting part and said shoulder.