Abstract: The invention describes a blow head (1, 21, 208) for production of a multilayer blown film (18) with at least two plastic layers, which (1, 21, 208) has at least the following melt guiding areas (16, 17, 25, 205), which are traversed in succession in the direction of flow (z) of the melt: feed lines (25, 205) to the at least two individual gaps for guiding an individual stream at least two individual gaps (16) for guiding of an individual stream an annular gap (17) for combining of the film composite (18). At least one thermocouple (85, 142) is arranged on at least one flow path of at least one individual stream before it reaches the annular gap (17).

Abstract: A mold for fabricating containers made of thermoplastic material by blow-molding or stretch-blow molding a blank, which mold has a seat situated at the opening in the molding cavity for the purpose of receiving the rim of said blank, and cooling means for cooling said rim and, between said cooling means and the impression of the shoulder of the cavity of the mold, said mold has thermal insulation means for breaking a thermal bridge. The cooling circuit for cooling the rim is etched in a lid that is mounted around the opening of the cavity of the mold, and this etched portion rests in leaktight manner on a piece that acts as a thermal insulator.

Abstract: A blowing machine for containers, in particular bottles, with a preform heating module, to which a blow wheel is assigned and which contains a conveyor chain with exchangeable heating mandrels and optionally exchangeable shielding plates, with a service area provided on the conveyor chain in the heating module, in which an automatic changer for the automatic changeover of at least the heating mandrels is arranged. The automatic changer includes a magazine holder, a turret, which is adjustable and rotatable between the magazine holder and the conveyor chain, with grippers, and movably drivable unlocking components for engaging locks.

Abstract: An apparatus for heating plastics-material preforms, with a conveying device which conveys the plastics-material preforms along a pre-determined conveying path, and with a heating device which is arranged along this conveying path of the plastics-material preforms and which heats the plastics-material preforms (10). According to the invention, the apparatus has at least one first contacting element arranged downstream with respect to the heating device for acting upon a wall of the plastics-material preform with a temperature profile varying in a peripheral direction and/or longitudinal direction of the plastics-material preform, which contacting element touches with a contact face a pre-determined region—bounded in the peripheral direction and/or longitudinal direction of the plastics-material preforms—of the wall of the plastics-material preform in order to act upon this region with a temperature profile different from regions not touched by the contacting element.

Abstract: A polyester container obtained by stretch-forming a preform of a thermoplastic polyester resin formed by injection forming wherein the central portion of the bottom wall is the remaining part of the gate at the time of injection forming, and is formed relatively thicker than the bottom wall surrounding the central portion, and the central portion of the bottom wall is substantially amorphous, and the bottom wall surrounding the central portion is oriented and crystallized. The container exhibits excellent heat resistance and shock resistance despite a thick portion that is the remaining portion of the injection gate is formed at the center of the bottom portion.

Abstract: The apparatus serves for blow moulding containers. Preforms of a thermoplastic material are heated in the region of a heating zone and subsequently transferred to a blow moulding device. The blow moulding device is provided with at least one blow moulding station for transforming the preforms into the containers. Provided for handling the preforms is a gripper-like transporting element (41) with two gripper arms (45, 46), which are arranged pivotably in relation to a gripper carrier (42). Each of the gripper arms can be pivoted by means of at least one lever and is coupled with a central element (49). The central element is arranged at least partly between the gripper arms. Each of the gripper arms is resiliently clamped with respect to the central element by at least one spring (56, 57).

Abstract: A device for the stretch blowing of plastic containers in a continuous single-stage process, having at least one injection rotor, with injection molds for preforms, which are fed via controlled valves from an extruder head and by way of a melt distributor from a central extruder, wherein the axis of the extruder is placed at least essentially in the axis of the injection pipe, and at least the extruder head and the melt distributor can be permanently and synchronously rotationally driven by the injection rotor. A method where, during the manufacture of each preform in the injection mold, injection molding phases and a compression molding or dwell pressure phase are combined and superimposed.

Abstract: The present invention discloses a cooling fetch apparatus of performs, and the apparatus includes: a first fetch mechanism, moved back and forth, for fetching each perform formed in a mold of an injection molding machine from the mold; a second fetch mechanism, moved back and forth, for fetching each preform on the first fetch mechanism. After the second fetch mechanism fetches a predetermined quantity of performs, the performs on second fetch mechanism are unloaded sequentially, such that the injection molding process and the cooling process of the performs are separated. The timing of fetching each perform on the second fetch mechanism is controlled for assuring a good cooling effect of each preform.

Abstract: A mold cooling system is provided for cooling a polymer product shaped in a mold. The mold cooling system includes a moving manifold having a cooling fluid supply and a cooling fluid return; and a mold housing having a mold surface that defines a cavity. The mold housing has a connector configured to receive the cooling fluid supply and cooling fluid return of the moving manifold; and a passageway that extends through the mold housing adjacent to the mold surface, the passageway connecting the cooling fluid supply and the cooling fluid return when the moving manifold is received in the connector. A method is also provided for cooling an extruded, blow-molded product before the product is released from a mold.

Abstract: An installation producing sterile bottles by blow molding starting from preforms (12), includes a sterilizing treatment unit (26), a thermal conditioning unit, a molding unit, where the sterilizing treatment unit (26) includes an atomizing device (36) provided with a nozzle (38) which sprays, onto each preform (12), in laminar-flow form, a stream (F) of vaporized sterilizing product at the interior of the preform (12) and along a mean axis of spraying (A2) of the nozzle (38), where this axis is generally parallel to the axis (A1) of the preform (12) during treatment and is radially off-center with regard to the axis (A1) of the preform (12).

Abstract: A method and device for heating at least one blank which is used to produce a container, such as a bottle, from a thermoplastic material, particularly PET, by means of blow molding or stretch blow molding. The blank is disposed between two opposing lateral walls which are positioned at a distance from one another. One of the walls supports several radiation sources which are disposed one above the other opposite the body of the blank. The space between the two lateral walls is closed at least partially beyond and close to the base of the blank. At least part of the radiation emitted beyond the base of the blank is reflected in the direction of the body of the blank. In this way, losses due to lost radiation are limited.

Abstract: A heated blow mold for the thermostabilizing treatment, or the heat-set process, where at least a heating system is housed between the mold (2) and mold holder (3). Said system consists of a set of tubular electric resistors, which are parallel to the generator of the mold and of the item to be molded, connected to each other by additional electric resistors, which are basically transversal in relation to the first resistors and placed in areas requiring greater heat.

Abstract: A system for manufacturing a plastic container, including a thin-walled container, includes an actuator and a base unit. The actuator may include a body portion and a holding/securing member configured to hold or secure a portion of a container. The base unit includes a heating surface and may optionally include an insert. In an embodiment, the actuator may be configured to apply a force or pressure on a container to contact the base unit, the base unit may be configured to receive a base portion of the container, and the heating surface may be configured to convey energy or heat to a portion of the base portion of said container. Embodiments of a method for providing a plastic container are also disclosed.

Abstract: A mold assembly has two mold half shells each having an outer and inner wall for defining the shape of a container to be formed. Two mold half carriers each have an inner wall overlaying and spaced from a corresponding mold shell outer wall for supporting the shells in the assembly. At least one insulating pad is sandwiched between the inner wall and the corresponding outer wall and is secured to one of the inner wall and the outer wall. The pad supports the outer wall in non-contacting and buffering relation relative the carrier inner wall. Each pad may be secured in a recessed seat in the respective wall. Pads may be secured in recessed seats having a depth less than the thickness of the pad. Pads absorb mold operational forces to reduce wear, reduce conduction from shell to carrier and facilitate the use of different-sized shells with one carrier.

Abstract: A gripper device for gripping the neck of a hollow body from the outside, which gripper device includes an annular body supporting at least two gripper parts each having its own bearing face, said gripper parts being movable substantially radially and constrained by an elastic device in such a way that the gripper parts are able to occupy a first radial position in which they bear against a buffer of the annular body with their bearing face projecting into the annular body, and a second radial position in which they are pushed back with their bearing face bearing against the exterior wall of the neck of a hollow body engaged in the annular body. The bearing faces of the gripper parts are bowed in the overall shape of an arc of a cylinder.

Abstract: A conditioning station for conditioning a blow mold preform which includes a heating element for the base of the preform. The conditioning section may also include other heating elements for heating a variety of locations of the preform. The elements are generally arranged so that at least one heat ring is arranged below the preform. The lower preform will generally have a reduced diameter compared to the circumference of the preform. There can also be an element in a moveable position which can adjust position about the side walls of the preform.

Abstract: The apparatus is constituted from a mould (1, 17, 14) formed by a central body (14) and a first head (1) and a second head (17) connected on opposite sides of the central body (14), as well as it having a rigid and perforated guide (5), which is axially centred inside the mould (1, 17, 14) whereon the blank pipe (10) is coupled longitudinally. This guide is provided with orifices (9) for the passage therethrough of an expansion fluid (18) which causes the expansion of the blank pipe (10) against the inner walls of the mould (1, 17, 14) without any heat exchange between the blank pipe (10) and the mould (1, 17, 14).

Abstract: A take-out and cooling method and apparatus conveys molded plastic articles from a molding machine to and through a cooling station and preferably includes a take-out apparatus that has a main support, a conveyor carried by the main support for movement in an endless path, a cam adjacent to the support, a plurality of arms carried by the conveyor for movement with the conveyor along the endless path and including a follower responsive to the contour of the cam to vary the position of the arms relative to the support, and at least one holder carried by each arm. Each holder is adapted to receive and carry at least one molded article to facilitate in conveying the molded articles and is flexible and resilient to permit relative movement of at least a portion of the holder relative to its associated arm.

Abstract: The invention relates to a mould (1) for a machine that is used to blow mould containers. The invention comprises: a wall (3) defining a cavity (4) which is distributed around a main axis, said wall (3) being equipped with passages (6, 7) for the circulation of a heat-transfer fluid inside the wall (3); and at least one mould insert (8) which is mounted to the wall (3), said insert being equipped with at least one conduit (17, 23) which is connected to a passage in the wall (3).

Abstract: The invention proposes a device (10) for transferring items (3) from an items (3) loading station (13) to an items (3) unloading station (14), which comprises: a group (18) of modules (19a-d) mounted such that they can move in a longitudinally direction, able to adopt a contracted configuration in which the modules (19a-d) are separated by a first spacing (pl), and a deployed configuration in which the modules (19a-d) are separated by a second spacing (F), means (34) of linking one module (19a) to another (19b), comprising a lever (38) mounted such that it is articulated on a first module (19b) and connected to a second module (19a), this lever (3) furthermore cooperating with a groove (46) having an intermediate section (46c) forming an angle with the direction of movement of the group (18) of modules (19a-d), and means (35, 36) of controlling the movement of the group (18). Application to the transfer of blanks from a heating station to a station for molding receptacles from blanks.

Abstract: Disclosed is a preferred mold design for producing plastic, molded preforms, which may be blow-molded into a container of a final, desired shape. A preferred mold includes a temperature control system for maintaining the preform mold at a desired temperature. The temperature control system can pass fluid through channels within the preform mold to cool plastic that is injected into the preform mold. In some arrangements, a mold comprises a neck finish mold, the neck finish mold configured to transfer heat away from the molding surface toward a channel conveying a working fluid. A heat transfer member may be at least partially positioned within the channel to transfer heat to the working fluid. In some embodiments, the mold comprises a high heat transfer material.

Abstract: The production machine has functional elements which are arranged inside machine paneling (41). At least one access opening (42) which can be closed off by a positionable locking element (43), is arranged in the vicinity of machine paneling. The locking element is formed from a material which can be deflected while opening and closing movements are being carried out.

Abstract: A Blow-mold assembly for the manufacturing of containers, comprising: A mold having a sidewall defining a mold cavity and provided with a channel for the circulation of a heating or cooling fluid, said channel having, on an outer face of the mold, an fluid inlet port and a fluid outlet port; A plug provided with a fluid supply line and a fluid discharge line; Wherein said mold and said plug are provided with complementary connection elements configured to provide removable connection of the plug to the mold with simultaneous connection of the supply line to the inlet port and connection of the discharge line to the outlet port.

Abstract: A device and a method used to temper preforms in the manufacture of bottles, in which a tempering device is provided to selectively and directly temper the preforms, and is inserted into preforms. The method provides that the preforms are directly tempered from the inside.

Abstract: A plastic film preform is expanded to form a container. The preform has a longitudinal axis that extends from an open top to a closed bottom. The preform is pressurized with a first pressure sufficient to cause side walls of the preform to expand outwardly and the bottom of the preform to be drawn inwardly thereby reducing a length of the preform along the longitudinal axis. Side molds are closed around the side walls of the preform, the closed side molds being larger than the expanded side walls. A bottom mold is closed to be adjacent to the bottom of the preform after pressurizing the preform with the first pressure. The preform is pressurized with a second pressure sufficient to expand the preform to fill the closed molds. The preform is thereby significantly stretched in a direction perpendicular to the longitudinal axis and minimally stretched along the longitudinal axis.

Abstract: The method and the device serve for the blow moulding of containers (2). Preforms (1) of a thermoplastic material are heated in the region of a heating path (24) and then transferred to a blowing device (25). The blowing device (25) is provided with at least one blowing station (3) for moulding the preforms (1) into the containers. The preforms (1) are retained along at least a section of the transport path thereof by a support element (46) which is at least partly loosely introduced into a mouth section (21) of the preform (1) and tightened in the mouth section (21) after the introduction thereof.

Abstract: The invention relates to a sterilization method and to an installation (10) for producing sterile bottles (14) by blow molding sterilized preforms (12) according to the method, characterized in that, at the spraying station (28), the flow (F) of sterilizing product is atomized onto each preform (12) whose temperature (T1) is less than the condensing temperature (Tc) of the sterilizing product so that a film of mist of the sterilizing product deposits by condensation at least onto the inner wall to be sterilized, and is characterized in that, at the activation station (50) of the sterilizing product of the sterilizing unit (26), each preform (12) treated in the aforementioned manner is heated by radiation to a temperature (T2) greater than or equal to the activation temperature (Ta) in order to sterilize at least the inner wall of the preform (12).

Abstract: A blow molding machine with air conditioning that while minimizing the introduction rate of outside air, realizes maintaining of constant temperature in not only a plant building but also the interior of a blow molding machine and production of a bottle as a final configuration with stability in its measurement value. The blow molding machine with air conditioning is constructed so that air for use in biaxially stretching blow molding together with hot air of heating zone (1) and internal air of a plant building is suctioned by means of suction chamber (4), filtered by means of primary filter (6) and secondary filter (7) into clean air, brought into heat exchange with primary cooling coil (8), fed under pressure by air blower (10) and released through low-temperature duct (12) into the interior of the plant building.

Abstract: A method and a device for processing preforms which are made of a thermoplastic plastic material and are blow molded into containers. In a first production process, the preforms are produced by injection molding in the area of an injection molding tool. At least some areas of the preforms are impinged upon by a cooling device. The preforms are deformed by applying negative pressure, wherefore the cooling device can be made at least in part of a porous material.

Abstract: Disclosed are a mold stack of a molding machine. A cavity insert is provided. The cavity insert comprises a body having: an internal surface defining, in use, at least a body portion of a molding cavity; an external surface defining, in use, at least a first portion of a cooling channel configured, in use, to direct a flow of coolant; and a mounting flange configured to support, in use, the body relative to a front face of a cavity plate, the mounting flange including a member configured to define, in use, a second portion of the cooling channel.

Abstract: An auxiliary device and a method for finishing and calibrating preforms that are removed from a multiple tool in an unstable shape, the calibration process being performed with compressed air immediately after removing and withdrawing the preforms from the multiple tool. Nipples that can be inserted into the preforms are provided with expandable press rings or sealing rings in order to seal the interior of the blow-molded part of the preforms. The compressed air is introduced via the nipples, the sealing process being performed by radially expanding the press rings or sealing rings in analogy to the closing process of thermoses, thus protecting the preforms from adverse forces. The sealing point can be randomly selected in the transition zone from the threaded part to the blow-molded part of the preforms. The interior of the blow-molded part is optimally sealed without affecting the form stability and dimensional stability of the preforms.

Abstract: Disclosed herein is, amongst other things, a device for processing a preform made from a thermoplastic plastic that is intended for blow molding into a container, the preform having been manufactured in an injection molding tool. The device may include a mandrel that is provided with a channel for a pressurizing medium. The channel for the pressurizing medium can provide, in use, overpressure to a distributor chamber which is sealed off by a membrane, wherein when pressure is applied to the channel the membrane is pressed against a side wall of the preform and causes a deforming of the preform.

Abstract: A take-out and cooling method and apparatus conveys molded plastic articles from a molding machine to and through a cooling station and preferably includes a take-out apparatus that has a main support, a conveyor carried by the main support for movement in an endless path, a cam adjacent to the support, a plurality of arms carried by the conveyor for movement with the conveyor along the endless path and including a follower responsive to the contour of the cam to vary the position of the arms relative to the support, and at least one holder carried by each arm. Each holder is adapted to receive and carry at least one molded article to facilitate in conveying the molded articles and is flexible and resilient to permit relative movement of at least a portion of the holder relative to its associated arm.

Abstract: The method comprises the following sequence of stages of operation: feeding the blowing air into the parison enclosed in the mould (1), with the maximum pressure characteristics required for the blow moulding thermoforming cycle, and maintaining this blowing condition for a minimum period depending on the characteristics of the container to be produced; reducing the blowing air pressure to a specified minimum level sufficient to keep the blown container adhering to the inner walls of the mould (1) which contains and shapes it; discharging the blowing air at low pressure from the inside of the blown container, in such a way that the inner surface of the container is bathed by a flow of air which is constantly renewed at the appropriate flow rate, which rapidly reduces the internal temperature of the container, while the external temperature of the container is reduced by contact with the walls of the mould (1) which are cooled by the forced circulation of a cooling fluid; interrupting the blowing cycle and the

Abstract: The invention relates to a method and a device for blow-moulding containers. Following a thermal conditioning process, a parison is stretched by a horizontal bar inside a blow station provided with a blow mould, and is moulded into a container by the effect of the blowing pressure. In order to carry out the blow-moulding, pressurised gas is introduced into the container. The horizontal rod is hollow at least in parts. Once a maximum blowing pressure has been reached in the blow station and at the earliest at the beginning of a pressure drop, a cooling gas is guided out of the horizontal bar towards the bottom of the blown container.

Abstract: An extrusion blow mold for forming a plastic bottle having a radial flange suitable for roll-form attachment to a metal can end. The mold has a pair of confronting mold halves, each mold half including a body forming portion, a bottom pinch-off portion located below the body forming portion, a top block portion including a blow chamber located above the body forming portion, and a spin-ring forming portion located between the body forming portion and the top block portion. The spin-ring forming portion includes a thread ring insert and a cutter ring insert. The thread ring insert has an inside upper edge including an outwardly extending surface terminating in a step defining a lower surface and a outer edge of a radial flange. The cutter ring insert is positioned immediately above the thread ring insert. The cutter ring insert has a lower surface adjacent an inside edge defining an upper surface of the radial flange including a tapered inner edge extending upward and inward from the step.

Abstract: An apparatus and method for simultaneously forming and filling a plastic container is provided. A mold cavity defines an internal surface and is adapted to accept a preform. A pressure source includes an inlet and a piston-like device. The piston-like device is moveable in a first direction wherein liquid is drawn into the pressure source through the inlet and in a second direction wherein the liquid is urged toward the preform. A blow nozzle may be adapted to receive the liquid from the pressure source and transfer the liquid at high pressure into the preform thereby urging the preform to expand toward the internal surface of the mold cavity and creating a resultant container. The liquid remains within the container as an end product.

Abstract: Apparatus and method for making a molded plastic article having a stretched and crystallized neck finish. In one embodiment, a series of platforms are carried by a conveying apparatus for transporting a series of molded plastic articles along a predetermined path of travel through one or more treatment stations. At a finish widening station, the molded article, having a relatively wide and thin-walled blow-molded body portion, and a relatively narrow and thick-walled unexpanded neck finish portion, is positioned to enable insertion of a mandrel into an open top aperture of the finish portion to widen the finish. The mandrel may include a lower heated tapered portion for expanding the finish, and an upper cooled body portion on which the expanded finish may be cooled. The article may then be sent to a finish crystallizing station having a heating device that heats the widened finish portion for a time and temperature selected to crystallize at least a portion of the widened finish.

Abstract: A furnace (22) for heating a preform (10), includes an upper longitudinal heating tunnel (24) bounded transversely by the longitudinal vertical internal faces (36, 38) of two walls (40, 42), one wall (40), being equipped with a heating system (46), and the other wall (42), having aeration orifices (50) intended to let the air blown by a blower (52) pass transversely through them, and in which one portion (16) of the preform (10) is held outside the heating tunnel (24), a blower (52) blowing air transversely towards the portion (16) of the preform (10) so as to keep the constituent material of this portion (16) of the preform (10) at a temperature below its softening point, characterized in that the blower (52) includes two independent fans (54a, 54b) that deliver air to the aerated wall (42) and to the portion (16) of the preform (10), respectively.

Abstract: A method and apparatus are provided for strengthening a portion of a blow molded bottle. The method includes directing a jet of cooled air at a preform before it is molded, causing the wall thickness in the cooled area to remain thicker after molding to strengthen that area of the blow molded article. The apparatus includes a blow molding machine that is provided with a nozzle positioned to direct the cooled jet of air towards the preform. The nozzle is mounted in a standby station that is in between the existing heating station and blow molding station. In one embodiment, the cooled jet of air is directed at a location just below the neck of the preform to create a ring of increased thickness in the shoulder of the blow molded bottle, adding strength to the shoulder of the bottle. A conventional blow molding machine may be modified to rotate and cool the preform in the standby station.

Abstract: A method for producing bottle-type containers made of a synthetic resin, e.g., polyethylene-terephthalate resin, includes a heat treatment step for heating and crystallizing a neck portion of a perform corresponding to a neck portion of a container. In a first stage of the heat treatment step, the neck portion of the perform is temporarily heated to a temperature below a melting point of the synthetic resin, e.g., approximately 200° C. to 230° C. in the case of polyethylene terephthalate resin. In a subsequent second stage, the neck portion is maintained at a temperature within a range in which crystallization of the synthetic resin is promoted, e.g. approximately 170° C. to 195° C. in the case of polyethylene terephthalate resin.

Abstract: A machine for forming containers having a blowing module containing a drivable rotor, a heating module containing a drivable conveyor and feeding the blowing module, and a main drive which is associated with both the blowing and heating modules and which is adapted to be selectively operated either in a continuous mode or in a clocked mode. A power train includes a decoupling unit which is arranged between the rotor and the conveyor and which is selectively actuable, and an auxiliary drive, which can be switched on selectively, is provided for the power train component that is separated from the main drive in the actuated condition of the decoupling unit.

Abstract: A mold for blow molding has a base component for forming at least one portion of a concave base of a container and comprising a mounting plate having connections for supply and return of a heat transfer fluid, a body having a molding surface thereon and having a substantially cylindrical recess having a roof spaced from the molding surface, a substantially cylindrical insert comprising a diverting surface, an inlet passage therethrough and open to the diverting surface and an outlet passage therethrough, the diverting surface spaced from the roof and side of the recess so as to define a cavity and a drain therefrom open to the outlet passage. In a method of blow molding turbulent flow is induced in heat transfer fluid conducted through the base component from impact with the roof and the turbulent flow is dispersed within the cavity over the diverting surface whereby heat transfer from the molding surface is enhanced.

Abstract: The invention relates to a method and a device for blow-moulding containers from preforms which have been previously heated in a heating section and consist of a thermoplastic material. After being heated, said preforms are transferred to a blowing device in which they are deformed in order to form containers under the action of a blowing pressure inside blow moulds. The blow moulds respectively consist of at least two blow-moulding segments. The preforms are transported together with the blow moulds at least along part of a path of a rotating blow wheel. The blow-moulding segments are braced in relation to each other during at least part of the blow-moulding process. At least one of the blow-moulding segments is pivoted about a rotational axis in order to perform opening and closing movements.

Abstract: Embodiments of the present invention teach a method for post-mold treatment of a molded article and an apparatus for implementing the method. For example, a method of post-mold treatment of a molded article is provided. The method can be implemented in a molded article receptacle. The method comprises at a first instance in time, subjecting the molded article to a first type of post-mold treatment; and at a second instance in time, subjecting the molded article to a second type of post-mold treatment.

Abstract: The invention describes a method for setting the sizes of film tubes (1), which are extruded by blow film plants (15), in which method the film tube size is changed from an initial size of a film tube (1) to a final size of a film tube (1), and in which the location of the frost area (3) is optimized during the size change by setting the output of the cooling fan. Physical parameters of the initial and final size of the film tube (1) are stored in the control device (31). The control device (1) takes these physical parameters into account when generating control signals.

Abstract: A method and device serve the tempering preforms of a thermoplastic material. The preforms are modeled subsequent to tempering into a container inside a blow-molding mold by the action of a medium under pressure. During tempering, the preforms are heated by being acted upon by a heat radiation as well as cooled by being blown upon with cooling air, at least in the surface region. For compensation of a change in the surface temperature of the preforms due to operating ambient parameters, a change in the intensity in the subjecting of the preforms to cooling air is conducted. This takes place such that with simultaneous heating and cooling a basically constant surface temperature of the preform is attained. In addition, the intensity of heat radiation can be regulated for adaptation to at least one operating parameter.

Abstract: The invention relates to a method and a device for blow-moulding containers from preforms which are previously heated in the region of a heating section and consist of a thermoplastic material. The preforms are transferred to a blowing device following the heating thereof, in which they are shaped to form containers by the application of a blowing pressure inside blow moulds. Said blow moulds respectively consist of at least two blow mould segments. The preforms are transported together with the blow moulds at least along part of a peripheral path of a rotating blow wheel. A separating plane of the blow mould segments is positioned at least in an opened state of the blow station in a rotational direction of the blow wheel, facing forwards, with an angle of inclination in relation to the radial direction of the blow wheel. The blow station is positioned at least in two parts during a transfer process.

Abstract: Method of producing a polyester resin container, such as a PET bottle, from a preform (10) includes a step whereby the preform (10) is heated to a temperature above a glass-transition temperature and a drawing step which is performed in a cavity (101). According to the invention, during the drawing step, an incompressible fluid and not a gaseous fluid is injected through the opening in the preform (10?).

Abstract: The invention concerns a device for producing thermoplastic containers, in particular bottles, by the blow-molding or stretch blow-molding of a preheated preform. The device comprises at least one mould consisting of two half-molds (2) each supported by a mould carrier, the two mould carriers being movable relative to each other. Each half-mould (2) comprises a shell holder (9), supported by the respective mould carrier, and a shell (7) which is equipped with a half-impression (8) of the container to be obtained and can be rendered integral in a detachable manner with its shell holder (9) by rapid-fastening means (19-23). The shell (7) and the shell holder (9) are of complementary shapes such that they contact each other at least partially for heat conduction purposes whilst the pipes and connections for circulating and/or heating fluids are provided in the shell holder alone.