B29C49/4252

Method and apparatus for preparing a liner for a composite pressure container
11426919 · 2022-08-30 · ·

Blow moulding a container, including extruding a tube shaped, hollow, elongated parison from an extrusion head having one free end; and closing a moulding equipment around the parison. The moulding equipment includes a moulding cavity and at least one aperture providing an opening into the moulding cavity from outside the moulding equipment. An excess section of the parison is arranged inside the at least one aperture. The free end of the parison is kept in place in the moulding equipment opposite the at least one aperture. The method includes holding the excess section of the parison within the at least one aperture via a holding force; cutting the parison outside the equipment, thereby providing an open end; arranging a blow pin to close the open end of the parison; and blowing pressurised gas from the blow pin into the parison, thereby forming a blow moulded container within the moulding cavity.

Machine for manufacturing plastic items by blow moulding
11426918 · 2022-08-30 ·

The invention concerns a machine for manufacturing plastic items comprising, in series, along the manufacturing line: a rotatable roll (1) of plastic material in the form of at least one strip; a shaper (4) for forming tubes from said strips and means (5) for longitudinally welding said tubes; means (6) for cutting the tubes transversely, arranged so as to form tube sections (10); means for transferring and depositing said sections in holding and moving means; an oven (8) in which said tube sections move; a first turret (9) supporting moulds; means for processing the tube sections in the first turret; means for blowing a pressurised fluid into the moulds; a second turret (14) for discharging the bottles from said moulds.

METHOD OF MANAGING PREFORMS IMMOBILIZED IN A HEATING STATION
20220032528 · 2022-02-03 ·

The invention concerns a method for managing captive preforms immobilized in a heating station during an interruption of production, the preforms following a production stream, the heating station including a device for conveying preforms and a heating cavity bordered by at least one row of emitters of monochromatic electromagnetic radiation. The method consists in ejecting from the production stream the cold captive preforms that have been immobilized before they have been exposed to the electromagnetic radiation emitted by the emitters to a recycling stream and rejecting from the production stream the hot captive preforms that have been at least partly exposed to the electromagnetic radiation emitted by the emitters to a reject stream separate from the recycling stream.

Method and device for sterilising and device for blow-moulding containers

The present invention relates to a method and device for sterilizing parisons made of a thermoplastic material that are intended for producing blow-molded containers. During the sterilizing process a sterilizing agent is introduced into an interior of the parison by an applicator. At least one gas is supplied to the applicator via at least one supply element, at least sections of which are arranged in a horizontal direction next to a transport path of the applicator. The supply element comprises at least one outlet opening facing towards the applicator. At least one pressure-applying element is arranged between the applicator and the supply element and is resiliently clamped between the applicator and the supply element.

DEVICE AND METHOD FOR TRANSPORTING PREFORMS IN THE REGION OF A BLOW-MOLDING MACHINE
20170252960 · 2017-09-07 ·

The invention relates to devices and to methods for transporting preforms in the region of a blow-molding machine, in particular a sorting device (10) for transporting preforms (20) composed of a thermoplastic material in the region of a blow-molding machine for the blow-molding of containers, comprising a transportation wheel (12), which has a plurality of accommodating recesses (18) for accommodating and conveying the preforms (20), which accommodating recesses are arranged on the circumference of the transportation wheel in such a way that the accommodating recesses are distributed in the circumferential direction, a guide collar (16), which extends circumferentially around the transportation wheel (12) in some regions in such a way that the guide collar is radially spaced apart from the transportation wheel, wherein the preforms (20) are transported in suspension between the transportation wheel (12) and the guide collar (16) in the region of the sorting device (10), and a selection unit for selectively removing a respective individual preform (20) transported in one of the accommodating recesses (18) of the transportation wheel (12), wherein the selection unit comprises a pivotable ejecting star (14) with a plurality of ejecting arms (31), which ejecting star, when in the idle position, reaches into the peripheral region of the transportation wheel (12) by means of a first ejecting arm (31) immediately adjacent to the guide collar (16) in the transportation direction of the preforms (20), in such a way that the preforms (20) in the accommodating recesses (18) that are transported past the first ejecting arm (31) are secured against unintentionally falling out, wherein the ejecting star (14), in the event of a rotational motion, pushes an individual preform (20), which is marked for removal, out of one of the accommodating recesses (18) of the transportation wheel (12) by means of a second ejecting arm (32) following after the first ejecting arm (31), and wherein, in a recurring manner after the preform (20) marked for removal has been pushed out, the second ejecting arm (31) takes on the securing of the preforms (20) transported past the second ejecting arm against falling out of the accommodating recesses (18).

TROUBLE RECOVERING METHOD OF ASEPTIC FILLING MACHINE AND ASEPTIC FILLING MACHINE
20210403304 · 2021-12-30 · ·

A trouble recovering method of an aseptic filling machine and an aseptic filling machine which can resume operation at an early stage if a trouble occurs in any of portions during an operation of the aseptic filling machine are provided.

A door of a chamber in which the trouble occurred is opened while a pressure in the chamber other than the chamber in which the trouble occurred is kept positive, the trouble is removed and then, the door is closed, an inside of the chamber in which the trouble occurred is cleaned as necessary, the inside of the chamber is sterilized and then, the operation of the aseptic filling machine is resumed.

HANDLING OF PRE-FORMED FABRICS
20210394400 · 2021-12-23 ·

A support (100) for handling pre-formed woven fabric layers to be used for conical shell composite components or segments is described. The support comprises a shaped portion (120) having a plurality of peaks (170) and a plurality of troughs (180) extending between first and second longitudinal edges (130, 140). Each peak has a varying amplitude along its extent and is configured to maintain warp and weft fibres of the pre-formed woven fabric layers perpendicular to one another. A clamping member may be used to retain a stack of pre-formed woven fabric layers in place on the support. The support may also be used for forming non-woven fibre layers and stacks formed from such non-woven fibre layers, and, for the subsequent handling thereof.

Method and device for blow-molding containers which are sterile at least in some areas

A method and a device for producing blow-molded containers which are sterile at least in some areas. A preform made of a thermoplastic material is first heated in a heating device on a transport path through a blow-molding machine and then supplied with a pressurized fluid in a blow-molding station of the device. The preform is guided along a channel, which conducts a sterile gas, at least over one sub-section of the transport path of the preform. The transport path of the preform out of the channel is supplied with the sterile gas in order to produce a sterile gas corridor in which at least the opening region of the preform is guided. Multiple radiation sources are arranged along the channel and one behind the other in the transport direction. The radiation sources emit a sterilizing radiation onto the preform and/or onto the channel, and/or onto the sterile gas corridor.

APPARATUS AND METHOD FOR STERILIZING PLASTIC PREFORMS
20220176610 · 2022-06-09 ·

Apparatus for treating plastic preforms, having a heating device for heating the plastic preforms, having forming devices for forming the plastic preforms into plastic containers, and having a sterilization device for sterilizing the plastic preforms,

wherein
the sterilization device has at least one first sterilization unit which has a rotatable transport carrier and a plurality of holding devices arranged on this transport carrier for holding the plastic preforms, as well as a plurality of first application devices for acting upon the plastic preforms, and the sterilization device has a second sterilization unit.

Plant for producing beverage containers with sterilisation of the blow moulding machine

Apparatus for producing containers, and in particular beverage containers, having a heating device configured to heat plastic parisons, having at least one first transport device, which transports the plastic parisons along a predetermined transport path, a sterilization device configured to sterilize the plastic parisons, and a forming device arranged downstream of the sterilization device, as seen in a transporting direction of the plastic parisons, and configured to form the plastic parisons into plastic containers by the application of a free-flowing medium, wherein said forming device has a transport chamber within which the plastic parisons are transported. The apparatus has an application device configured to apply a free-flowing sterilization medium, at least temporarily, to the transport chamber.