Abstract: There is described a closure for a sealed container of a pourable food product, comprising a pouring spout, having at least a layer of gas- and/or light-barrier material and closed by a cover portion on the side opposite to the side facing, in use, the container, and a cap fittable to, and removable from, the pouring spout; the cover portion has a through cut at its periphery and is joined to a top wall of the cap superimposed on the cover portion, so that the cover portion defines a layer of gas- and/or light-barrier material of the cap and can be removed together with the cap from the pouring spout during first unsealing of the closure; a sealant is provided on a given area of the top wall of the cap for cooperating with a region of the pouring spout around the cover portion to ensure sealing of the closure.

Abstract: An apparatus for transferring doses includes a forming arrangement for forming an object from a dose of flowable material and a transferring arrangement for transferring the dose to the forming arrangement. The transferring arrangement has a recess for receiving the dose. The recess is provided with a rolling arrangement for guiding the dose inside the transferring arrangement.

Abstract: A method for separating a portion of extruded material from the continuous strip leaving an extruder, consisting of passing in front of the extrusion nozzle a withdrawal device associated with at least one cutting member; said withdrawal device and said at least one cutting member are made to move independently of each other with velocities, in the sense of vectors, which differ from each other and differ in relation to the material portion separated.

Abstract: Method for forming an item through compression-moulding having an asymmetrical section with differentiated volumes and thicknesses, comprising the steps of introducing a dose of semi-liquid resin into the recess of a mould, inserting a plunger in said recess to create the interspace intended to be occupied by the material pushed by the plunger, removing said plunger and withdrawing the item that stays stuck to the plunger or to the recess, where the interspace intended for the forming of the item is created in two successive steps, the first comprising the insertion of a first plunger into the recess, and the second comprising the action of a second plunger that acts in a portion (accumulation chamber) of the interspace created by the insertion of the first plunger, completing the creation of the interspace in which the item is formed.

Abstract: An apparatus comprises a blow-moulding mould arrangement arranged for expanding a preform to obtain a container, said blow-moulding mould arrangement comprising a die arrangement cooperating with a punch arrangement, the apparatus further comprising a compression-moulding mould arrangement comprising a further die arrangement cooperating with said punch arrangement for compression-moulding plastics to obtain said preform.

Abstract: A method for compression-moulding a dose of plastics in a mould having a first forming arrangement and a second forming arrangement comprises the steps of: moving the first forming arrangement towards the second forming arrangement at a speed that is variable according to a preset profile, the preset profile being so chosen as to apply reduced stress to the plastics, in order to obtain an object from the dose; maintaining the object in the mould while applying variable pressure to the plastics according to a preset further profile, the preset further profile being so chosen as to reduce the stress in the plastics; extracting the object from the mould.

Abstract: An apparatus comprises a conveying device provided with seat elements arranged for receiving objects, the seat elements being movable along a curved path, and a further conveying device provided with a transferring arrangement arranged for delivering the objects to, and/or removing the objects from, the conveying device, wherein the transferring arrangement comprises coupling elements arranged for engaging the seat elements in such a way that the seat elements and the transferring arrangement are maintained mutually coupled along a portion of the curved path.

Abstract: A preform for obtaining a container comprises a hollow body having a side wall extending around a longitudinal axis and an end wall arranged transversely to the longitudinal axis, a point of the end wall having a value of specific residual melting enthalpy; there is at least one point of the side wall having a further value of specific residual melting enthalpy that is greater than the value. A container comprises a containing body having a first end zone closed by a base wall and a second end zone suitable for engaging a closing element; there is at least one point of the base wall having a value of specific residual melting enthalpy that is significantly less than the specific residual melting enthalpy of the points of the containing body distinct from the second end zone.

Abstract: An apparatus comprises a punch arrangement and a die arrangement that are opposite one another and closable for defining a forming chamber in which an object can be compression-moulded from a dose of plastics, a punch included in the punch arrangement and two parts that are mutually movable for forming a portion of the object provided with undercuts. The punch arrangement comprises an annular forming element for forming an edge zone of the object, the annular forming element and the punch being mutually movable whilst the dose fills the forming chamber.

Abstract: An apparatus comprises a carousel arrangement, operating devices associated with said carousel arrangement and arranged for interacting with objects and conveying units supported by said carousel arrangement and movable in relation to said carousel arrangement to transfer said objects, each of said conveying units supporting a plurality of said operating devices.

Abstract: The unit comprises a moulding machine having a plurality of press moulds (N) for moulding the article, which operate in sequence and are driven along a fixed operative path (P), and a feeder means (20) located in a fixed position to the side of said operative path (P) to feed to each mould (N) at least one component part (8) of the article. According to the invention, a plurality of loading means (30) are provided, each rigidly associated with a respective mould (N) and movable with the mould along said operative path (P), said loading means (30) moving relative to the respective mould (N) to transfer one component part (8) at a time from the feeder means (20) to the mould (N).

Abstract: The plant comprises a plurality of shuttles (10) each carrying at least one die part (110), the shuttles being conveyed in a moulding apparatus (20) which is provided with a plurality of punches and a corresponding plurality of seats (21) for holding the shuttles (10), the seats arranged to receive and release the shuttles (10), the moulding apparatus comprising means for inserting the punches into the die cavities (11, 12) of the shuttle and means for withdrawing the punches to achieve a compression moulding cycle for the article. The shuttles (10) are independent of the moulding apparatus. Each shuttles (10)comprises at least one circuit (15) for at least one conditioning fluid for controlling the temperature of the article located in the die, the moulding apparatus (20) comprising at least one feed system (25) for at least one conditioning fluid to feed the conditioning fluid to the shuttles (10) inserted in the seats (21) of the moulding apparatus (20).

Abstract: A container obtained from a compression-moulded preform (1; 31; 41; 51; 61; 71; 81; 91) comprises abase wall (203; 303) intended for being rested on a supporting surface and a side wall (202; 302) surrounding a main axis (X), the thickness (C4; P4) of said base wall (203; 303) measured near said main axis (X) being less than, or equal to 8.2 times the thickness (C1; P1) of said side wall (202; 302).

Abstract: A method comprises compression-moulding plastics to obtain objects by a moulding apparatus, said moulding apparatus being provided with a punch device and with a die device, said die device comprising a die body and a bottom element mutually cooperating to define a portion of a forming cavity, said moulding comprising reciprocally moving said die device and said punch device, there being furthermore provided driving said bottom element independently of said punch device and of said die device; an apparatus for compression-moulding plastics to obtain objects comprises a die device provided with a die-body device and with a bottom-element device mutually cooperating to define a portion of a forming cavity device, fluid-operating means arranged to reciprocally move said bottom-element device and said die-body device and a passage device arranged to convey said fluid-operating means, said passage device comprising a throttle device.

Abstract: A method for separating a portion of extruded material from the continuous strip leaving an extruder, consisting of passing in front of the extrusion nozzle a withdrawal device associated with at least one cutting member; said withdrawal device and said at least one cutting member are made to move independently of each other with velocities, in the sense of vectors, which differ from each other and differ in relation to the material portion separated.

Abstract: An apparatus comprising a forming arrangement that is movable along a path for compression moulding of doses of plastics, a transferring device for transferring the doses to the forming arrangement, a liquid cooling arrangement for cooling the transferring device, an arm arrangement associated with the transferring device for moving the transferring device along a further path having a portion substantially coinciding with a further portion of said path.

Abstract: An apparatus comprising a transferring element for transferring a dose of flowable material, said dose being provided with an elongated body having a transverse dimension and an end zone, a receiving member for receiving said dose from said transferring element, wherein said transferring element comprising an end-forming arrangement for forming said end zone in such a way as to decrease said transverse dimension in the vicinity of said end zone. A dose of plastics comprises an elongated body provided with a transverse dimension, said elongated body comprising an end zone provided with a respective transverse dimension that is less than said transverse dimension.

Abstract: A method for separating a portion of extruded material from the continuous strip leaving an extruder, consisting of passing in front of the extrusion nozzle withdrawal means associated with at least one cutting means; said withdrawal means and said at least one cutting means are made to move independently of each other with velocities, in the sense of vectors, which differ from each other and differ in relation to the material portion separated.

Abstract: Method for forming articles of synthetic material by compression moulding, comprising the following operative stages: inserting a first measured quantity of synthetic material in the plastic state into the cavity of a mould comprising a punch with which it defines a first forming chamber for said measured quantity; pressing said measured quantity to obtain a first portion of the article; opening the mould and inserting a second measured quantity into said cavity; closing the mould by repositioning the punch relative to said cavity to define a second forming chamber; pressing said second measured quantity and again opening the mould, then extracting said article from the punch.

Abstract: An apparatus for moulding plastics comprises a mould device, an actuating system arranged to move said mould device and a shock-absorbing device interposed between said actuating system and said mould device, said actuating system comprising an electromechanical actuating system; an apparatus for moulding plastics comprises mould device and an actuating system arranged to move said mould device, said actuating system comprising an electromechanical actuating system provided with an electric motor unit and with a control system for controlling an electrical parameter of said electric motor unit; an operating machine comprises a plurality of actuating devices suitable for operating an operating unit, at least one control unit for controlling said actuating devices and a switching device arranged to selectively connect said at least one control unit to at least actuating device of said plurality of actuating devices.