Abstract: Disclosed is a molding device for a machine for manufacturing containers, including: two half-molds; two mold carriers, each of which is provided with a recess for receiving a corresponding half-mold; and at least one retractable attachment bolt that is slidably mounted in at least one mold carrier between an operative position, in which the bolt is extended to removably attach the corresponding half-mold in a clampingly mounted position against the back wall of the corresponding recess, and a retracted position, in which the bolt releases the half-mold, characterized in that each bolt and/or the corresponding half-mold include a clamping strip that is angled so as to cause the half-mold to bear against the back wall of the recess during the sliding of the attachment bolt from the retracted position thereof to the operative position thereof.

Abstract: Disclosed is a molding device for a machine for producing containers consisting of a thermoplastic material by forming a pre-heated preform using at least one pressurized fluid. The device includes: two mold carriers mounted in such a way that they can move in relation to each other about a rotational axis, between an open position and a closed position; two mold halves that each have a half-impression, are carried by a mold carrier, and are respectively mounted in the associated mold carrier; and fixing element that can dismountably fix each mold half, in its mounted position, to the mold carrier. The element for fixing each mold half to the mold carrier, which are mounted in such a way that they can move at least between a fixing position and a release position, can be controlled as they move between the positions when the mold carriers are in the closed position.

Abstract: A machine (10) for manufacturing containers, includes a system (82) for providing assistance when changing moulds, including at least one module (84) which, combined with a moulding unit (24), has an actuation device (86) provided with an operating member (88) intended to cooperate with a member (52) for controlling the locking elements (55) when the moulding unit (24) occupies a specified reference position relative to the module (84), the operating member (88) being able to undergo a displacement so as to actuate the member (52) for controlling the locking elements (55) in order to cause the locking elements (55) to move towards at least one of the locked or unlocked positions and to make the mould holders (26) move towards at least one of the open or closed positions of the moulding unit (24).

Abstract: A machine for the manufacture of containers made of thermoplastic, includes at least one molding unit selectively associated with a control module (70) able, in the use state, selectively using a first actuating device (76) to control the locking device and using a second actuating device (78) to control the opening/closing device with which the molding unit is respectively equipped.

Abstract: A machine (10) for manufacturing containers, includes a system (82) for providing assistance when changing moulds, including at least one module (84) which, combined with a moulding unit (24), has an actuation device (86) provided with an operating member (88) intended to cooperate with a member (52) for controlling the locking elements (55) when the moulding unit (24) occupies a specified reference position relative to the module (84), the operating member (88) being able to undergo a displacement so as to actuate the member (52) for controlling the locking elements (55) in order to cause the locking elements (55) to move towards at least one of the locked or unlocked positions and to make the mould holders (26) move towards at least one of the open or closed positions of the moulding unit (24).

Abstract: Disclosed is a moulding device for a machine for producing containers consisting of a thermoplastic material by forming a pre-heated preform using at least one pressurized fluid. The device includes: two mould carriers mounted in such a way that they can move in relation to each other about a rotational axis, between an open position and a closed position; two mould halves that each have a half-impression, are carried by a mould carrier, and are respectively mounted in the associated mould carrier; and fixing element that can dismountably fix each mould half, in its mounted position, to the mould carrier. The element for fixing each mould half to the mould carrier, which are mounted in such a way that they can move at least between a fixing position and a release position, can be controlled as they move between the positions when the mould carriers are in the closed position.

Abstract: A method for changing a mould of a moulding device, includes at least the following steps for dismounting a mould: (a) controlling fixing elements in order to release each mould half (20), (b) joining the mould halves together in order to form a single transportable sub-set, (c) opening mould carriers (14) from their closed position during steps (a) and (b) in order to extract, with a translational movement, the sub-set arranged in a reference position, and (d) removing the sub-set as a single unit from its reference position, from between the mould carriers.

Abstract: Disclosed is a molding device for a machine for manufacturing containers, including: two half-molds; two mold carriers, each of which is provided with a recess for receiving a corresponding half-mold; and at least one retractable attachment bolt that is slidably mounted in at least one mold carrier between an operative position, in which the bolt is extended to removably attach the corresponding half-mold in a clampingly mounted position against the back wall of the corresponding recess, and a retracted position, in which the bolt releases the half-mold, characterized in that each bolt and/or the corresponding half-mold include a clamping strip that is angled so as to cause the half-mold to bear against the back wall of the recess during the sliding of the attachment bolt from the retracted position thereof to the operative position thereof.

Abstract: A method for changing cavities (24) for molding containers for a blow-molding station (14), including: a plurality of mold carrier units (22), each having a first mold (16A) consisting of a plurality of portions that are capable of being attached together so as to form a first cavity (24A); a first element for arranging the first attached molds (16A); and a second element for arranging the second attached molds (16B). The method for changing all of the first cavities (24A) includes at least one first pre-preparation step (E1) during which all of the second molds (16B) are stored in the detached state on a first intermediate storage stand (39, 54) while the blow-molding station (14) still produces containers using the first molds (16A). The invention also relates to a dynamic storage device.

Abstract: Installation for depositing, by means of a microwave plasma, a barrier coating on thermoplastic containers (5), this installation comprising treatment stations (1) each comprising a treatment enclosure (2) and a cover (3) and including a vacuum pumping chamber in which connection means (4) for sealed connection to the container comprise a sleeve (6) co-axial with the neck (7) of the container, each cover (3) also supporting an injector (8) co-axial with the sleeve (6) for injecting a reactive fluid into the container; the sleeves (6) and/or the injectors (8), of several adjacent stations are fastened to a single support plate (15, 20) that extends in the form of a bridge over the covers (3) of these stations (1), whereby the plate (15, 20) and the sleeves and/or injectors of the stations (1) constitute a unitary assembly (16, 21) that can be maneuvered as one piece.

Abstract: Device for depositing a coating on an internal surface of a container, of the type in which the deposition is carried out by means of a low-pressure plasma created inside the container by excitation of a precursor gas by microwave-type electromagnetic waves.

Abstract: A machine for the manufacture of containers made of thermoplastic, includes at least one moulding unit selectively associated with a control module (70) able, in the use state, selectively using a first actuating device (76) to control the locking device and using a second actuating device (78) to control the opening/closing device with which the moulding unit is respectively equipped.

Abstract: A machine for the treatment of containers, includes at least one container-treatment station. The machine is of the type in which each treatment station comprises a cover having a nozzle which is provided with: gripping elements for seizing the outside of the container, and impervious connection elements between the inside of the container and a vacuum pumping chamber which is provided in the cover. In addition, the machine is of the type in which the impervious connection elements include a cartridge which is mounted in the cover. The cartridge includes an axial segment, known as the connection segment, which extends inside the pumping chamber and which is equipped with radial holes. The pumping chamber is connected to the interior of the cartridge via the radial holes.

Abstract: A machine for the treatment of containers (12) provided with a neck (14), includes at least one, treatment station provided with a nipple (22) having gripping elements (26) in order to seize a container (12), the gripping elements (26) including a tubular supporting cuff (50) which is provided with a series of radial drillholes (52), each intended for receiving a ball (54) movable radially between an inner gripping position and an outer release position, characterized in that the gripping elements (26) include a tubular control cuff (56) which is mounted slideably between a locked position, in which a frustoconical bearing surface (58) cooperates with the balls (54) in order to stress them toward their gripping position, and an unlocked axial position, and in that the nipple (22) includes controlled drive elements (62) capable of causing the sliding of the control cuff (56).

Abstract: Machine (1) for the plasma treatment of containers (3), which comprises: a chamber (5) suitable for receiving a container (3) to be treated, a cover (8) defining a nozzle (9) in the extension of the chamber (5); a duct (14) for depressurization the container (3), which duct opens into the nozzle (9) and connects the latter to a vacuum source (15); a first valve (19) having a closed position, in which it closes off the depressurization duct (14), and an open position, in which it brings the nozzle (9) and the vacuum source (15) into communication; a duct (27) for pressurizing the container (3), separate from the depressurization duct (14), this pressurization duct (27) emerging in the nozzle (9) beyond the depressurization duct (14) and connecting the nozzle (9) to a pressure source (28); and a second valve (29) having a closed position, in which it closes off the pressurization duct (27), and an open position, in which it brings the nozzle (9) and the pressure source (28) into communication.

Abstract: Sealing device (23) for a machine (1) for the plasma treatment of containers (2), comprising at least first and second annular sealing surfaces (24, 25) suitable for cooperating respectively with first and second separate annular zones (13, 15) of the neck (12) of a container (2).

Abstract: An installation for depositing, by means of a microwave plasma, a barrier coating on thermoplastic containers, comprising treatment stations (1), each of which has a chamber (2) and a cover (3) including a vacuum pumping chamber communicating with functional components grouped together in a detachable unit (7) that can be attached to the cover and that are sheltered in respective housings provided in a coupling face (8) of the detachable unit. The cover incorporates functional connections (16) necessary for the functional components and emerging on a coupling face (9) of the cover, these coupling faces being mutually matched in a complementary manner; and these connections and these housings are connected respectively when said detachable unit is mounted on the cover with their respective coupling faces mutually cooperating.

Abstract: Installation for depositing, by means of a microwave plasma, a barrier coating on thermoplastic containers (5), this installation comprising treatment stations (1) each comprising a treatment enclosure (2) and a cover (3) and including a vacuum pumping chamber in which connection means (4) for sealed connection to the container comprise a sleeve (6) co-axial with the neck (7) of the container, each cover (3) also supporting an injector (8) co-axial with the sleeve (6) for injecting a reactive fluid into the container; the sleeves (6) and/or the injectors (8), of several adjacent stations are fastened to a single support plate (15, 20) that extends in the form of a bridge over the covers (3) of these stations (1), whereby the plate (15, 20) and the sleeves and/or injectors of the stations (1) constitute a unitary assembly (16, 21) that can be maneuvered as one piece.

Abstract: A machine for the treatment of containers, includes at least one container-treatment station. The machine is of the type in which each treatment station comprises a cover having a nozzle which is provided with: gripping elements for seizing the outside of the container, and impervious connection elements between the inside of the container and a vacuum pumping chamber which is provided in the cover. In addition, the machine is of the type in which the impervious connection elements include a cartridge which is mounted in the cover. The cartridge includes an axial segment, known as the connection segment, which extends inside the pumping chamber and which is equipped with radial holes. The pumping chamber is connected to the interior of the cartridge via the radial holes.

Abstract: Device for depositing a coating on an internal surface of a container (10), of the type in which the deposition is carried out by means of a low-pressure plasma created inside the container (10) by excitation of a precursor gas by microwave-type electromagnetic waves.