Patent classifications
B29C49/6835
Heating device for a blow-molding machine with a conveying chain for two-row transport of the preforms
The invention relates to a heating apparatus (H) having at least one heating line (24) for the thermal conditioning of preforms (1) made of thermoplastic material to a temperature profile which is suitable for blow shaping, wherein the heating apparatus (H) comprises a transport device for transporting the preforms (1) along a transport path (T) of the heating apparatus (H), said transport device comprising a revolving conveyor chain (F) having a plurality of pivotably interconnected chain links (33), and wherein the transport device comprises handling means (39) for holding and manipulating a single preform (1) each, wherein the transport device is embodied and configured such that the preforms (1) are guided in a single row in at least a first section of the transport path (T), and are guided in two adjacent rows in at least a second section of the transport path (T), and wherein each chain link (33) comprises a bracket (41) on which a first handling means (39) and a second handling means (39) are arranged, and wherein the bracket (41) comprises a main arm (42) and a pivot arm (43), pivotably connected to the main arm (42), and wherein a change between a single-row transport of the preforms (1) and a double-row transport is enabled by pivoting the pivot arm (43).
Attachable reflector
Apparatus for heating plastic parisons, with a transport device which transports the plastic parisons along a predetermined transport path, and with at least one heating device, wherein the heating device has at least one first radiation source which emits thermal radiation as well as at least one reflector device which reflects at least a proportion of the thermal radiation emitted by the radiation source in the direction of the plastic parisons. The reflector device can be attached to the radiation source and has a support and a reflection component which bears against the support on at least one region and is suitable for reflection of the radiation.
DEHYDRATION CIRCUIT FOR AN ELECTROMAGNETIC PROCESSING UNIT OF HOLLOW BODIES
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.
Synchronous running safeguard for transfer stations for devices for handling containers, and a device and a method for blow-molding containers
A synchronous running safeguard for transfer stations or devices for handling containers, in particular for handling bottle-like containers made of glass or plastic, having a first and a second rotary element, which each have holding elements for the containers and each have a motor drive. The rotary elements are disposed in relation to one another such that the containers can be transferred in a transfer area from one of the first holding elements to one of the second holding elements. The rotary elements, each rotationally connected, have a control element having engagement elements, and the control elements are in meshing engagement with one another. The control elements are disposed in such a way that, during operation the control elements are interengaged without contact during the rotary movement of the rotary elements and that, in the event of a fault, the control elements are interengaged with contact.
METHOD FOR MANUFACTURING PACKAGING COMPRISING A CONTAINER PRINTED ON DIRECTLY AND TREATED BY PLASMA
Disclosed is a method for manufacturing packaging including a container. The method includes: an operation of forming the container via blow molding or stretch blow molding from a plastics preform, an operation of treating an inner surface of the container, during which a thin barrier layer is formed on the inner surface via plasma-enhanced chemical vapor deposition; an operation of printing on an outer surface of the container, during which ink is deposited on the outer surface to form a decorative and/or informative inscription thereon.
HEATING DEVICE FOR A BLOW-MOLDING MACHINE WITH A CONVEYING CHAIN FOR TWO-ROW TRANSPORT OF THE PREFORMS
The invention relates to a heating apparatus (H) having at least one heating line (24) for the thermal conditioning of preforms (1) made of thermoplastic material to a temperature profile which is suitable for blow shaping, wherein the heating apparatus (H) comprises a transport device for transporting the preforms (1) along a transport path (T) of the heating apparatus (H), said transport device comprising a revolving conveyor chain (F) having a plurality of pivotably interconnected chain links (33), and wherein the transport device comprises handling means (39) for holding and manipulating a single preform (1) each, wherein the transport device is embodied and configured such that the preforms (1) are guided in a single row in at least a first section of the transport path (T), and are guided in two adjacent rows in at least a second section of the transport path (T), and wherein each chain link (33) comprises a bracket (41) on which a first handling means (39) and a second handling means (39) are arranged, and wherein the bracket (41) comprises a main arm (42) and a pivot arm (43), pivotably connected to the main arm (42), and wherein a change between a single-row transport of the preforms (1) and a double-row transport is enabled by pivoting the pivot arm (43).
Device for heating preforms consisting of thermoplastic material
A device for heating thermoplastic preforms, including a heating channel formed from a heating module and through which the regions of the preforms to be heated are guided by a conveyor device. Radiant heaters are arranged on a side wall of the heating channel. In the region of a side that lies opposite the radiant heaters and/or the base of the heating channel, reflector elements which act as counter or base reflectors are arranged. The reflector has a reflection layer and a carrier layer. The reflection layer includes a material with a silicon dioxide base and an IR reflection value greater than 90% in the range of 500 to 2500 nm. The carrier layer is a material with greater mechanical strength than the reflection layer and is used as a carrier for the reflection layer. Both layers have a similar coefficient of thermal expansion and are permanently interconnected.
UNIT FOR HEATING HOLLOW BODIES, WHICH COMPRISES A LOW-TEMPERATURE CAVITY
Unit (1) for heating hollow body preforms (2) made of plastic, which includes a cavity (8) through which the preforms (2) file past and includes: an emitter device (12) equipped with at least one radiant source (13) of electromagnetic radiation pointing toward the cavity (8); a structure (7) delimiting the cavity (8) and including a set of components (9, 10, 11) forming the boundaries thereof, each boundary component (9, 10, 11) being provided with an internal face (14, 15, 16, 17), facing towards the cavity (8) and capable of absorbing the electromagnetic radiation emanating from the emitter device (12) or reflecting it towards the cavity (8); a cooling circuit (18) formed in its entirety outside of the cavity (8), which includes a fluid canal (19) through which a heat-transfer fluid passes, each boundary component (9, 10, 11) being in thermal contact with a fluid canal (19).
ELECTROMAGNETIC PROCESSING MODULE EQUIPPED WITH THERMALLY REGULATED CONFINEMENT ELEMENTS
An electromagnetic processing module includes: a main body having a front face; a light emitting assembly including a plurality of light emitting sources, the light emitting assembly being such mounted onto the main body as to radiate frontwards; a fluidic circuit provided within the main body for thermal regulation of the light emitting assembly; and at least one confinement element made of a material opaque to the emitting light and having a confinement face exposed to the emitted light. The confinement element is mounted onto the main body so as to be in thermal contact therewith, whereby thermal regulation of the confinement face is provided by the fluidic circuit.
UNIT FOR PROCESSING BLANKS PROVIDED WITH AN OPTICAL CONFINEMENT SECTION HAVING CONVERGENT WALLS
The unit (1) for processing hollow-body plastic blanks (2) includes a chamber (6) wherein the blanks (2) move along a predetermined path. The chamber (6) is defined, on both sides of the path, by two side walls (3, 4) having inner surfaces (5) that face each other. The chamber (6) includes a main section (9) wherein at least one of the walls (3, 4) is provided with a plurality of electromagnetic radiation sources (10). The side walls (3, 4) define therebetween, on at least one end of the chamber, an opening (8) for the preforms to pass therethrough. The chamber (6) includes at least one optical confinement section (12) that extends between the main section (9) and the opening (8) and wherein the inner surfaces (5) of the side walls (3, 4) are optically reflective and converge toward the opening (8).