Abstract: An apparatus and a method for cutting a cap are described, with a cutting device comprising a first blade for making a first circumferential cut, a second blade for making a second circumferential cut at an axial distance from the first circumferential cut, and one or more vertical and/or oblique blades for making one or more vertical and/or oblique cuts arranged between the first and the second circumferential cut, with a spindle comprising an engaging portion having one or more circumferential abutting surfaces arranged to contact a lateral wall of said cap, and a circumferential receiving hollow portion receiving at least partially and without contact the first blade, the second blade and the one or more vertical and/or oblique blades.

Abstract: A mould for the production of closures with tear-off membrane in a compression moulding machine, comprises: a male die element including a first abutment surface and a female die element movable relative to each other along a moulding orientation. The mould is positionable between a closed configuration, in which the male die element and the female die element are in contact with each other, and an open configuration, in which the male die element and the female die element are spaced apart. The female die element includes: a first block, a second block and a third block, aligned with each other and movable along the moulding orientation; a first spring, interposed between the first block and the second block; a second spring, interposed between the second block and the third block and configured to apply an opening force along the moulding orientation.

Abstract: An injection molding apparatus with hot runners includes a rear plate that supports at least one manifold, wherein a first face of the rear plate that contains the main manifold is in direct contact with a first face of the manifold plate substantially on the entire flat surface of the first face of the manifold plate which is not affected by the recesses which, in the manifold plate, accommodate the secondary manifolds. The manifold plate has nozzles, and the actuators of the injection nozzles are completely external to the rear plate, are completely inside recesses of the manifold plate, and are arranged so that a respective piston cylinder is compressed between the first face of the rear plate and the secondary manifold.

Abstract: An injection molding apparatus with hot runners includes a rear plate that supports at least one manifold, wherein a first face of the rear plate that contains the main manifold is in direct contact with a first face of the manifold plate substantially on the entire flat surface of the first face of the manifold plate which is not affected by the recesses which, in the manifold plate, accommodate the secondary manifolds. The manifold plate has nozzles, and the actuators of the injection nozzles are completely external to the rear plate, are completely inside recesses of the manifold plate, and are arranged so that a respective piston cylinder is compressed between the first face of the rear plate and the secondary manifold.

Abstract: A knife (100; 100?)) is arranged to be fitted to a cutting apparatus to obtain incision lines and cuts on a capsule (7) made of plastics intended to close a container and it is suitable for performing cuts and incisions on a side wall (70) of the capsule (7) when the capsule (7) by rotating around a rotation axis (R) thereof is moved along a path to interact with the knife (100; 100?) in an advancement direction (T); the knife (100; 100?) comprises a plurality of cutting tools arranged in a layered structure, wherein the cutting tools are parallel to a plane (P) and stacked in the direction of a vertical axis (Z) orthogonal to the plane (P), the layered structure comprising: —a first horizontal cutting tool (10) arranged for performing circumferential cuts on the side wall (70) at a first height on the vertical axis (Z) to define an tamper ring (72) in the capsule (7); —a second horizontal cutting tool (20), arranged for performing further circumferential cuts on the side wall (70) at a second height differen

Abstract: A device for the cooling and extraction of preforms for the manufacture of plastic containers, including at least one grip assembly which forms a number of receptacles for respective preforms and a component for transferring the preforms that are still warm from an injection molding device to the grip assembly, and a cooling and extraction assembly which includes a cooling plate supporting a number of cooling channels. The cooling and extraction assembly includes an unloading plate which is arranged on the opposite side of the grip assembly with respect to the cooling plate, and supporting grip bodies which can be moved on command in order to pass through the cooling plate so as to engage selectively, with the cooling plate in the closer position, with a respective preform in order to allow its extraction from the respective receptacle.

Abstract: A cutting apparatus and method are disclosed to form the preferential fracture line of a capsule for closing containers, in which a rotating carousel carries a plurality of spindles, each of which can engage a respective capsule that is rolled against a contact surface made of ultra-high molecular weight polyethylene, and in which a fixed blade with a circular sector performs the cut on the rolling capsule, the cutting apparatus and method being applicable to capsules of different dimensions and types.

Abstract: A cutting method and apparatus for closures of the “tethered” type are disclosed, in which a spindle that carries a closure is moved to a cutting device with one or more horizontal blades and at least one vertical or oblique blade. During cutting, the spindle rotates and the closure rolls on the cutting device. The spindle, which is fed several times to the cutting device carrying each time a different closure, comprises a portion made of a softer material than the blades so that during cutting the blades penetrate the material of the closure and then sink into the softer portion of the spindle. Feeding the spindle that carries the closure to the cutting device is coordinated with rotation of the spindle so that the vertical or oblique blade, each time that the spindle is fed to the cutting device, always meets the same zone of the softer portion of the spindle.

Abstract: A knife is described that is arranged for being fitted in a cutting apparatus for obtaining incision lines and notches on a cap made of plastics intended for closing a container, the knife being suitable for making notches and incisions on a side wall of the cap when the cap, by rotating around a rotation axis thereof, is moved along a path for interacting with the knife in an advancement direction, the knife including a plurality of tools arranged in a layered structure, wherein the cutting tools are parallel to a plane and stacked in a direction of a vertical axis orthogonal to the plane, the layered structure including: a first horizontal cutting tool arranged for performing circumferential notches on the side wall at a first height on the vertical axis to determine in use a tamperproof ring and a main body in the cap; a second horizontal cutting tool arranged for performing further circumferential notches on the side wall at a second height on the vertical axis that is different from the first height; and

Abstract: A mould for the production of closures with tear-off membrane in a compression moulding machine, comprises: a male die element including a first abutment surface and a female die element movable relative to each other along a moulding orientation. The mould is positionable between a closed configuration, in which the male die element and the female die element are in contact with each other, and an open configuration, in which the male die element and the female die element are spaced apart. The female die element includes: a first block, a second block and a third block, aligned with each other and movable along the moulding orientation; a first spring, interposed between the first block and the second block; a second spring, interposed between the second block and the third block and configured to apply an opening force along the moulding orientation.

Abstract: A cutting apparatus is disclosed to form a weakening line of a of an anti-tampering device of a cap made of plastics for closing a container, in which the cutting apparatus includes a feeding device for feeding the caps along a feeding path, a blade arranged in the feeding path to form the weakening line, at least one abutting wall on which the cap can roll, and a micrometric screw configured for adjusting the corresponding position of the blade with respect to the abutting wall, so that blade wear can be compensated by advancing the blade to the feeding path of the caps independently of the abutting wall.

Abstract: A pre-assembled female mould arrangement for being installed on a moulding machine, the pre-assembled female mould arrangement comprising: an annular forming element, extending about an axis and delimiting a forming cavity about said axis; a plate element, which delimits the forming cavity transversely to said axis; a peripheral annular component that surrounds at least partially the annular forming element; a supporting base; a fastening element which is so mounted as to render the annular forming element fixed relative to the plate element.

Abstract: An apparatus for cutting capsules is disclosed as including an engaging portion rotatable together with a spindle, the engaging portion including an axially protruding projection for abutting on an inner protrusion of the cap in a circumferential direction, and a contact surface for abutting an inner central region of the cap, the contact surface and the abutting surface being movable to take a phased angular orientation configuration with respect to a cutting device for cutting caps and an axial holding configuration. A cap is disclosed in which the inner protrusion has a preset angular position with respect to a circumferential score on a side wall of the cap. A method for cutting a cap is disclosed including the steps of: leading the projection to a circumferential abutment on the protrusion, leading the contact surface to an axial abutment against the inner central region, and scoring the cap by means of the cutting device.

Abstract: A knife is arranged for being fitted in a cutting apparatus for obtaining incision lines and notches on a cap made of plastics intended for closing a container and is suitable for making notches and incisions on a side wall of the cap when the cap, by rotating around its own rotation axis, is moved along a path for interacting with the knife in an advancement direction; the knife includes an arrangement of cutting edges that project from a peripheral region of the knife, the arrangement of cutting edges including: an opening formation part that extends parallel to a horizontal plane orthogonal to the rotation axis, the at least one opening formation part being arranged for making at least one circumferential notch on the side wall at a first height on a vertical axis that is substantially parallel to the rotation axis to define a tamper-evident ring and a main body in the cap; at least one connection formation part that occupies a region extending between the first quote and a second height that is greater

Abstract: A female mould having a forming cavity inside which a concave object can be formed, comprises: an annular forming element extending about an axis and delimiting the forming cavity about said axis; a plate element which delimits the forming cavity transversely to said axis, the plate element having a reference surface extending transversely to said axis externally of the forming cavity; a peripheral annular component at least partially surrounding the annular forming element. The annular forming element abuts against a first portion of the reference surface of the plate element. The peripheral annular component abuts against a second portion of the reference surface of the plate element.

Abstract: A cutting apparatus for cutting a cap provided with a cup body and having a base wall, a side wall and a protrusion projecting from the side wall of the cap outside the cap, includes: an advancement path travelable by the cap along an advancement direction, a spindle movable along the advancement path and rotatable around an axis thereof, the spindle being shaped to interact with the cap and to rotate the cap (10; 110; 210) around the axis, a support movable along the advancement path together with the spindle, said support being shaped to interact with the cap and to retain the cap against the spindle, a cutting device arranged for making a cut in the side wall of the cap when the spindle reaches a cutting zone provided in the advancement path, in which the spindle includes a hollow housing shaped to house the protrusion so as to stop in use a rotation of the cap in a preset position with respect to the spindle so as to orient the cap with respect to the cutting device.

Abstract: A cutting apparatus and method are disclosed to form the preferential fracture line of a capsule for closing containers, in which a rotating carousel carries a plurality of spindles, each of which can engage a respective capsule that is rolled against a contact surface made of ultra-high molecular weight polyethylene, and in which a fixed blade with a circular sector performs the cut on the rolling capsule, the cutting apparatus and method being applicable to capsules of different dimensions and types.

Abstract: A pre-assembled female mould arrangement for being installed on a moulding machine, the pre-assembled female mould arrangement comprising: an annular forming element, extending about an axis and delimiting a forming cavity about said axis; a plate element, which delimits the forming cavity transversely to said axis; a peripheral annular component that surrounds at least partially the annular forming element; a supporting base; a fastening element which is so mounted as to render the annular forming element fixed relative to the plate element.

Abstract: A male mould element includes a cooling circuit having first passage elements obtained in a first component of the male mould element and second passage elements obtained in a second component of the male mould element, the first passage elements and the second passage elements being distributed around a longitudinal axis of the male mould element so that there exist a plurality of angular positions of the first component relative to the second component in which the first passage elements are in fluid communication with the second passage elements.

Abstract: A method for assembling a female mould on a moulding machine, comprises the steps of: providing a pre-assembled female mould arrangement, the pre-assembled female mould arrangement comprising a plurality of components including at least a base, a forming device having a forming cavity and a fastening element which renders the forming device fixed relative to the base; placing the pre-assembled female mould arrangement on a support of the moulding machine; fixing the pre-assembled female mould arrangement to the support.