Abstract: A blow mold for PET bottles has the inner surface which contacts the hot PET during the blowing operation, coated with a layer of ceramic material having a nanometric thickness, of which at least one thickness layer is AI2O3 and/or TiO2 deposited by ALD technique. Due to this technique, the PET preforms are subject to less friction during the contact with the interior of the mold.

Abstract: An injection mould component for moulding the outer surface of a preform neck, which allows improved cooling of the preform node inside the mould, while in the same time reducing the mould cycle time. A related production process of said injection mould component, which allows the section of the cooling channels to be optimized, determining a more effective cooling, is also described.

Abstract: A heating plant (10) for performs (20), comprises:—at least one tunnel (3, 3?) for the passage of a plurality of preforms (20)—a plurality of infrared radiation lamps (6) along the tunnel (3, 3?);—forced ventilation means (2) for generating a ventilating air flow (F2, F3) through the tunnel (3, 3?),—at least one recirculation channel (15, 15?) arranged to receive the ventilating air flow (F2, F3) exiting from the tunnel (3, 3?),—a mixing member (30), including a first inlet (31) for ambient air, a second inlet (32) for the ventilating air (F2, F3) and at least one mixed air flow outlet (F1), in which the mixing member (30) is shaped and arranged so as to convey the mixed air flow (F1) towards the forced ventilation means (2),—at least one mobile shutter (35) for regulating the degree of opening of the inlets (31, 32),—a hot air source (40);—flow means (45) for conveying the hot air from the source (40) towards the mixing member (30).

Abstract: A rotary joint for transferring melted plastic from at least one extruder to a plurality of molds of a rotary machine for molding preforms, the joint comprising a fixed structure (3?) provided with a fixed longitudinal element (23) therein, defining a longitudinal axis (Y), and a movable structure (3?) which can rotate about said axis (Y) and is adapted to be integrally fixed to the rotary machine; wherein a first passage channel (11) is provided within said fixed element (23); wherein a second passage channel (11?) is provided within said movable structure (3?) and coaxial to said first passage channel; said second passage channel (11?) being in communication at a first end thereof with said first passage channel (11), and being in communication at a second end thereof with a plurality of lateral radial channels (52) provided within said movable structure (3?); wherein there is provided, between the fixed structure (3?) and the movable structure (3?), a gap in which a spiral seal (24) is arranged for ensurin

Abstract: An injection mould component for moulding the outer surface of a preform neck, which allows improved cooling of the preform neck inside the mould, while at the same time reducing the mould cycle time. A related production process of said injection mould component, which allows the section of the cooling channels to be optimised, determining a more effective cooling, is also described.

Abstract: An injection mold (9?) of a plastic preform comprising a first part (12) and a second part (13), fixed to each other, and a third part (14); wherein the third part (14) is provided with a molding cavity (41?) defining an axis (Y?) and is adapted to be integrally fixed to a first surface of a supporting frame of the mold; wherein the second part (13), arranged between the third part and the first part, is adapted to slide along said axis to close or open the cavity; wherein the first part (12) comprises a longitudinal rod (55) adapted to slide along said axis (Y?) through a second surface of the supporting frame, opposite to and spaced apart from the first surface; wherein the second part (13) is provided with: —a guiding cage comprising a first plate (18), provided with a through hole through which the longitudinal rod can slide and configured to abut on said second surface; a structure (18?); parallel guiding rods (16) fixed at a first end thereof to said first plate and fixed at a second end thereof to the

Abstract: An injection-compression plant for manufacturing PET performs comprises an extruder (1) to produce a melted resin, a distribution joint (3) for distributing the melted resin from the extruder (1) towards the injection-compression molds (9?, 9?, 9?), gathered in modular groups of three on supporting frames (21) arranged about the peripheral surface of the rotary carousel (2). The joint (3) allows to transfer the fluid thermoplastic resin from the stationary channel (10) of the extruder (1) to the lateral feeding conduit (27) of each molding module (9), said lateral feeding conduit being rotating with the carousel (2). The injection-compression molds (9?, 9?, 9?) have the two half-molds forming the molding cavity (41?, 41?, 41??) connected by means of bayonet couplings to the frame (21). The molded preforms are extracted from the carousel (2) by means of a wheel (50), which transfers them to an air cooling device (51).

Abstract: A blow mold (1) provided with a locking system to lock each half-mold (2) to the respective half-mold holder (3), allowing simpler and quicker replacement of the lateral half-impressions (4) of the mold (1). The blow mold (1) provides that the lateral half-impression (4) of each half-mold (2) is fixed in a cavity of the corresponding mold holder (3) by means of actuating at least one quick coupling device (5, 5?). Said quick coupling device (5, 5?) comprises a force multiplier mechanism (22, 22?) configured so as to actuate a respective locking element (29, 29?) from an unlocking position, in which the half-mold (2) or a part thereof may be extracted from the mold holder (3), to a locking position, in which half-mold (2) and mold holder (3) are integrally locked to each other, or vice versa.

Abstract: A coating system (1) for blown containers (9) made of plastic material, with high production rate and flexibility so as to allow an efficient coupling with the most advanced one-stage or blowing machines. Such coating system (1), despite its high production rate, envisages a compact global structure with low implementation costs and contained energy consumption. Along with the system, a corresponding coating process is described, which consists in the effective and rapid application of several paint layers on plastic containers (9).

Abstract: Heating device for preforms, capable of accurate and highly localized heating of the preforms before the blow molding step of the process of producing bottles or containers from plastic materials. This device comprises two or more heating modules (11-16), each comprising a through opening (100) in the direction of the thickness of the heating module and a heating element (5) positioned in the vicinity of the through opening. The modules (11-16) are assembled such that the through openings (100) are aligned reciprocally with each other to define a conditioning cavity for the heating device (1). Each heating module (11-16) comprises induction means (2).

Abstract: A filling valve (1) for hot filling plastic bottles, which allows to meet all the requirements determined by the typical particularities of hot filling applications in the most effective manner possible, while allowing to maintain the same basic configuration also for cold processing plain liquids without needing recirculation, e.g. plain water. The filing valve (1) comprises:—a valve body (2) defining therein a space for the passage of a filing liquid and provided with a hole for introducing said liquid in one of said containers,—a first shutter (4) of said hole, sliding within the valve body (2), a siphon (5) between said space and said hole, and a liquid deflection element (6) accommodated in said hole, configured so as to confer a rotational component to the liquid which crosses it, which permits the liquid itself to adhere to the walls of the container during the step of filing, said deflection element (6) being integrally fixed to and directly in contact with said first end of the first shutter (4).

Abstract: A conveying and cooling apparatus for performs comprising a cooling plate (12), that rotates about an axis X, and a system for supplying fluids and transmitting the rotational motion to the cooling plate, which comprises a single rotation shaft (14) provided with ducts (7, 8) for the passage of fluids from or to the cooling plate; a mechanical support structure (6) arranged along the X-axis, to support the cooling plate, and comprising the rotation shaft; a motor (10), arranged along the X-axis and adapted to transmit the rotation to the shaft and, consequently, to the cooling plate; and wherein fluid inlet/outlet pipes (3, 4) are connected to the shaft, said mechanical support structure being configured so as to act as rotating joint that allows the distribution of said fluids from said inlet/outlet pipes to the respective ducts or vice versa.

Abstract: A conveying and cooling apparatus for preforms comprising a cooling plate (12), that rotates about an axis X, and a system for supplying fluids and transmitting the rotational motion to the cooling plate, which comprises a single rotation shaft (14) provided with ducts (7, 8) for the passage of fluids from or to the cooling plate; a mechanical support structure (6) arranged along the X-axis, to support the cooling plate, and comprising the rotation shaft; a motor (10), arranged along the X-axis and adapted to transmit the rotation to the shaft and, consequently, to the cooling plate; and wherein fluid inlet/outlet pipes (3, 4) are connected to the shaft, said mechanical support structure being configured so as to act as rotating joint that allows the distribution of said fluids from said inlet/outlet pipes to the respective ducts or vice versa.

Abstract: A blow mould for containers wherein the mould base comprises a first member (5) and a second member (6) connectable to each other by means of a quick coupling system comprising at least one first connection pin, wherein said second member (6) includes a first slider (13), defining a first sliding direction on a plane orthogonal to the longitudinal axis of the mould and capable of taking an unlocking position and a locking position, said first slider (13) being provided with at least a hole in order to lock the first connection pin when the first slider (13) is in the locking position, and a second slider (16) defining a second sliding direction on said plane, intersecting said first direction; said second slider (16) being slidable along said second direction from a position of mechanical connection with the first slider (13) to a position of releasing from said first slider.

Abstract: Plastic container manufacturing plant comprising devices for injection-compression of plastic in molds and effected by means of at least one rotary carousel actuated by electro-pneumatic actuators, of the single-stage type integrating at least one first rotary carousel (2) for molding of the preforms and a second rotary carousel (7) for stretch blow molding of the preforms. Moreover, the plant comprises a transport system (5) between said first (2) and second rotary carousel (7) comprising further handling wheels, of which at least one (8) comprises means for thermal conditioning of the preforms.

Abstract: An injection mould component for moulding the outer surface of a preform neck, which allows improved cooling of the preform neck inside the mould, while at the same time reducing the mould cycle time. A related production process of said injection mould component, which allows the section of the cooling channels to be optimised, determining a more effective cooling, is also described.

Abstract: A blowing mold with a cam control device for making undercuts related to the application of handles on a container made of plastic material, where the undercuts ensure that the handles are mechanically fixed to the container body and where the system has an independent actuation for each undercut.

Abstract: A blow mould (1) provided with a locking system to lock each half-mould (2) to the respective half-mould holder (3), allowing simpler and quicker replacement of the lateral half-impressions (4) of the mould (1). The blow mould (1) provides that the lateral half-impression (4) of each half-mould (2) is fixed in a cavity of the corresponding mould holder (3) by means of actuating at least one quick coupling device (5, 5?). Said quick coupling device (5, 5?) comprises a force multiplier mechanism (22, 22?) configured so as to actuate a respective locking element (29, 29?) from an unlocking position, in which the half-mould (2) or a part thereof may be extracted from the mould holder (3), to a locking position, in which half-mould (2) and mould holder (3) are integrally locked to each other, or vice versa.

Abstract: A blow mould for containers wherein the mould base comprises a first member (5) and a second member (6) connectable to each other by means of a quick coupling system comprising at least one first connection pin, wherein said second member (6) includes a first slider (13), defining a first sliding direction on a plane orthogonal to the longitudinal axis of the mould and capable of taking an unlocking position and a locking position, said first slider (13) being provided with at least a hole in order to lock the first connection pin when the first slider (13) is in the locking position, and a second slider (16) defining a second sliding direction on said plane, intersecting said first direction; said second slider (16) being slidable along said second direction from a position of mechanical connection with the first slider (13) to a position of releasing from said first slider.

Abstract: A chuck for actuating plastic material containers, in particular performs, along a conveying line, includes a structure, fixable to a link of a conveying chain, a body, defining a longitudinal axis, inserted into a longitudinal through-hole of the structure and adapted to axially slide and/or rotate about the longitudinal axis, provided with gripping means at a first end for gripping a container neck. The structure is provided with locking elements for locking the body in a predetermined angular position, with the body being provided with at least one indication element of the predetermined angular position.