Abstract: The invention proposes a treatment method for the sterilization by irradiation of containers made of thermoplastic material. The method comprises at least an initial step of modification of the pitch consisting in selectively varying the initial pitch between two consecutive containers to increase the irradiation time of each container. The method also comprises an irradiation step consisting in irradiating each container from the outside with an electron beam emitted by at least one emitter of a sterilization device.

Abstract: Mold for forming containers from blanks of plastic material. The mold includes a shell delimiting a cavity with the impression of a container extending around a central axis, and a system for heating the shell. The heating system includes at least one set of different resistive elements that are superimposed substantially parallel to the central axis and of similar topology, the heating system being arranged to dissipate a different thermal energy at each resistive element of a same set.

Abstract: Method and apparatus for cooling a heated mold (12, 14, 16) of a device (10) for blow-molding thermoplastic containers, the device including: a mold (12, 14, 16) having an internal face which delimits a molding cavity (18) and which includes an external face (20, 28) which surrounds the molding cavity (18); heating elements for heating the mold to a determined temperature and which are deactivated when the cooling method is implemented; characterized in that the mold (12, 14, 16) is cooled by circulating heat-transfer fluid directly in contact with the external face (20, 28) thereof.

Abstract: Method and apparatus for cooling a heated mold (12, 14, 16) of a device (10) for blow-molding thermoplastic containers, the device including: a mold (12, 14, 16) having an internal face which delimits a molding cavity (18) and which includes an external face (20, 28) which surrounds the molding cavity (18); heating elements for heating the mold to a determined temperature and which are deactivated when the cooling method is implemented; characterized in that the mold (12, 14, 16) is cooled by circulating heat-transfer fluid directly in contact with the external face (20, 28) thereof.

Abstract: A device (10) for the manufacture of containers by blow moulding, includes:—a mould (12) equipped with a line for the circulation of a heat transfer fluid, having on an external face (34) of the mould (12) a heat transfer fluid inlet orifice (30) and a heat transfer fluid outlet orifice (32);—a mould carrier (20, 22) in which the mould (12) is removably mounted;—a plug (38) fitted with a duct (40) for conveying the heat transfer fluid and with a duct (42) for removing the heat transfer fluid, the plug (38) being mounted so that it can slide longitudinally on the mould carrier (20, 22) between a position of connection with the orifices (30, 32) of the mould (12) and a position of disconnection of the orifices of the mould, and elements for clamping the plug against the mould in the position of connection.

Abstract: Mold for forming containers from blanks of plastic material. The mold includes a shell delimiting a cavity with the impression of a container extending around a central axis, and a system for heating the shell. The heating system includes at least one set of different resistive elements that are superimposed substantially parallel to the central axis and of similar topology, the heating system being arranged to dissipate a different thermal energy at each resistive element of a same set.

Abstract: Method and apparatus for cooling a heated mould (12, 14, 16) of a device (10) for blow-moulding thermoplastic containers, the device including: a mould (12, 14, 16) having an internal face which delimits a moulding cavity (18) and which includes an external face (20, 28) which surrounds the moulding cavity (18); heating elements for heating the mould to a determined temperature and which are deactivated when the cooling method is implemented; characterized in that the mould (12, 14, 16) is cooled by circulating heat-transfer fluid directly in contact with the external face (20, 28) thereof.