B29C49/6418

Facility and method for production of containers, making possible production immediately upon start-up

A facility for the production of containers from blanks, which facility includes: a forming unit equipped with a rotating carrousel driven by a motor; a unit for heating blanks, equipped with infrared emitters and a power feed for each emitter; a control unit having in the memory a nominal speed setpoint .sub.N of the rotation of the carrousel and a nominal electrical power setpoint P.sub.N. The control unit is programmed for: controlling the rotation of the carrousel according to the nominal speed setpoint .sub.N. During its acceleration: taking into account the real instantaneous speed of rotation of the carrousel, and regulating the electrical power of the feed to an instantaneous value P such that: P ( t ) = P N .Math. N

PREFORM HEATING SYSTEM
20210023763 · 2021-01-28 ·

The present invention relates to a heating system for preforms upstream of a blowing or stretch-blowing machine, in particular a heating system using monochromatic infrared radiation, preferably laser-generated.

In particular, the invention relates to a heating system (301) for preforms (P), comprising a carousel for treating the preforms (P) comprising a plurality of heating elements (304) configured to be inserted either inside or outside each preform (P) and to radiate electromagnetic radiation in the infrared field which forms, in such a device, a disc of radiation according to a radial symmetry which departs from the center of the axis of the preform and which appropriately converges and diverges.

PRIMARY REFLECTOR FOR A HEATING MODULE OF A HEATING DUCT IN A MOULDING MACHINE FOR MOULDING CONTAINERS FROM PREFORMS

The invention relates to a heating module and a primary reflector for a heating module of a heating duct of a molding machine for producing containers from preforms, in which preforms made of thermoplastic are heated, which is provided between tubular heating units arranged in parallel and one over another on a side wall of the heating module and the side wall and consists of ceramic material, and is characterized in that the primary reflector is connected via a dovetail connection to the side wall, wherein a connecting region in the form of a dovetail is formed in each case on the reflector, which is fixable in each case with a clip made of steel, in particular spring steel, fastened on the side wall, having dimensions adapted to the dovetail.

Method and heating device for temperature conditioning of preforms and blow molding machine comprising such a device

A heating apparatus that includes a plurality of heating devices for temperature conditioning of preforms made of a thermoplastic material to a temperature and temperature distribution suitable for blow molding, and a transport chain guided on a revolving chain path. The preforms are transported through the heating apparatus by the transport chain along a transport path. Along a heating section that is part of the transport path, the plurality of heating devices are stationarily arranged one after another in a transport direction. On at least one side facing the heating devices, counter reflectors are provided, which together with the heating devices form a tunnel-like heating area through which the preforms are transported for heating. At least one counter reflector travels along with the preform through the heating section.

Dehydration circuit for an electromagnetic processing unit of hollow bodies
10836095 · 2020-11-17 · ·

Disclosed is a processing unit for an electromagnetic processing of plastic parisons and including a series of processing modules, each including a hollow housing, a light emitting assembly and a dehydration circuit for preventing each hollow housing from moisture via a dehydrated fluid. The dehydration circuit extends outside the main body, where the circuit can be in fluid communication with a source of pressurized fluid, on which are disposed a fluid dehydration unit and fluid circulation unit for forcing the dehydrated fluid to feed the respective hollow housings.

FLEXIBLE PLANT FOR TREATING CONTAINERS
20200346394 · 2020-11-05 ·

Provided is a device for treating containers, comprising a heating device for heating plastic preforms, wherein the heating device has a plurality of heating stations which are suitable for individually heating the plastic preforms, and wherein the heating device has a transport device which transports the plastic preforms individually through the heating device, and comprising a reshaping device which is suitable and intended for reshaping the plastic preforms heated by the heating device into plastic containers. This reshaping device is arranged downstream of the heating device in the transport direction of the plastic preforms, and the reshaping device has a movable support, on which a plurality of reshaping stations are arranged for reshaping the plastic preforms into the plastic containers. The device also comprises a transport device, for transporting the heated plastic preforms individually from the heating device to the reshaping device, and a decorating device.

Device and method for thermally conditioning preforms

The invention relates to a heat box for thermally conditioning preforms (10) that consist of a thermoplastic material and are provided for blow moulding, in which two lateral walls (32) and one base wall (34) delimit a heat tunnel through which the preforms (10) are conveyed, said heat tunnel comprising at least two parallel heat channels, and a heating unit (14) being arranged between two adjacent, particularly parallel heat channels and comprising a plurality of rod-shaped heating elements (16) that extend longitudinally in the conveyor direction of the preforms (10).

Mandrel chain with magnetic retention

The invention relates to a conveyor system for conveying preforms in a device for blow-forming finished containers, wherein the conveyor system comprises a conveyor chain, the chain links of which comprise a carrying element and a conveyor element, the conveyor system being characterized in that the conveyor element comprises a support structure and the carrying element comprises a mounting structure and at least some sections of the support structure and the mounting structure are designed and arranged to complement one another. Both the support structure of the conveyor element and the mounting structure of the carrying element comprise at least one connecting element, at least some sections of each connecting element being configured and arranged to complement one another, and the conveyor system is further configured to handoff the preforms to carrying elements for conveying said preforms through a heating section and to remove the preforms from the carrying elements after said preforms have been conveyed through the heating section. In addition, the invention also relates to a device for blow-forming finished containers from preforms, in particular from preforms made of a thermoplastic material, the device comprising at least one heating system for thermally conditioning the preforms along a transport path and at least one forming device for forming thermally conditioned preforms into the finished container, characterized in that the device comprises at least one conveyor system for conveying preforms according to the invention, the conveyor system being disposed in particular in the area of the heating device. Lastly, the invention also relates to the use of such a conveyor system and a method for the replacement of at least one carrying element.

Storage system for storing objects of plastic material processed in a bottling line

A storage system for storing objects of plastic material processed in a bottling line (45) comprises: a plurality of drawers (4) configured to contain groups of objects (5); a frame (2) which defines a plurality of compartments (3) configured to house the drawers (4); a conveyor (8) movable in the storage system (1) itself and configured to access the compartments (3) in such a way as to withdraw and place drawers (4) from and into the compartments (4); a loading bay (11) having one or more loading compartments for receiving corresponding drawers (4) and having a loading manipulator (28) configured to place in the drawers (4) the loose objects (5) received from an infeed conveyor (29); an unloading bay (12) having at least one unloading compartment for receiving a corresponding drawer (4) and having an unloading manipulator (41) configured to place onto an outfeed conveyor (43, 44) the loose objects (5) stored in the drawer (4).

ERGONOMIC INTEGRAL HANDLE ASSEMBLY
20200324937 · 2020-10-15 · ·

A method of controlling a preform for stretch blow-moulding a container with an integrally formed handle; the preform comprising, a body portion and the integrally formed handle; the preform transferred from a perform supply source to a blow moulding die for blowing the container; the method including the steps of passing the preform through a preform handle orientating apparatus, transferring the preform to a preform transportation system, maintaining orientation of the preform handle imposed by the perform handle orientating apparatus during transfer to the perform transportation system and transfer to the blow moulding die, rotating the preforms during transport along the transportation system past an array of preform heating elements while shielding the integrally formed handle from excessive exposure to the heating elements, transferring the preform from the transportation system to the blow moulding die, and wherein the handle comprises a loop of orientable material extending between an upper connection region and a lower connection region on the body portion of the preform; characterised in that the handle has a generally uniform cross section from proximate the lower connection region to a gradually widening cross section approaching the upper connection region; the cross section reaching and maintaining a maximum width proximate the upper connection region.