Closing device for a tire curing mold
AssigneeBridgestone Corporation
InventorDiego Minaudo
Life of this patent
Estimating the term…
Abstract
A closing device (9) (52) for axially connecting two half casings (7, 8) of a tire curing mold (1), the closing device (9) (52) featuring a number of calibrated hydraulic cylinders (19), each rigidly connected to a peripheral outer flange (12) on one of the half casings (7, 8), and having a rod (37) extending through a respective opening (41) (54) formed axially through a flange element (18) (53) on the other of the half casings (7, 8); each rod (37) having a head (42) (56) movable in relation to the flange element (18) (53) to and from a position of axial engagement with the flange element (18) (53) itself.
Claims9
A closing device for a tire curing mold including two half molds housed inside a casing which in turn include two half casings;
- said closing device including a peripheral outer flange on one of said half casings;
- a peripheral flange element on the other one of said half casings and coaxial with and facing said flange;
- and releasable connecting means for axially connecting said flange and said flange element;
- characterized by the fact that said connecting means include a number of hydraulic cylinders connected integrally with said flange, each having a rod extending toward said flange element and having a flared head on an outer end thereof;
- a hydraulic circuit for supplying said hydraulic cylinders with hydraulic fluid at a given maximum pressure;
- a number of axial through openings formed through said flange element each engaged in an axially sliding manner by a respective one of said rods and a respective one of said heads;
- and displacing means for moving each of said heads in relation to said flange element and to and from a position of axial engagement with same.
Dependencies are inferred from the claim text.