Abstract: A valve device for controlled introduction of a blowing medium into plastic parisons, includes at least one controllable valve body, at least one actuating device, and a control device for controlling the actuating device. The actuating device is at least indirectly operatively connected to the valve body, and includes at least one piezoelectric actuator, wherein by actuation of the actuating device and control of the piezoelectric actuator, which is associated therewith, by the control device in dependence on the current impressed into the piezoelectric actuator and/or the voltage applied thereto, the valve body can be moved from an open position into a closed position and vice versa, and in the closed position a main flow path for introduction of the blowing medium into the plastic parisons is closed.

Abstract: An apparatus (1) for the shaping of plastics material pre-forms (10) into plastics material containers (20) with a movable carrier (2) on which is arranged at least one shaping station (4), wherein the shaping station has a blow moulding device (6), and wherein the shaping station additionally has a stressing device (12) which acts upon the plastics material pre-forms with a flowable medium for their expansion, wherein the shaping station additionally has a rod-like body (14) which is capable of being inserted into the plastics material pre-forms in order to stretch them in the longitudinal direction (L) thereof, wherein the shaping station has a drive device (24) which moves the rod-like body (14) with respect to the plastics material pre-form.

Abstract: Plastic preforms are introduced into a blow mould and are expanded by applying a flowable medium thereto, which is introduced into the internal space of the plastic preforms, wherein the blow mould includes at least two lateral parts which form a cavity during the expansion of the plastic preforms, within which the plastic containers are expanded. The lateral parts are respectively provided on lateral part carriers that are moved relative to each other for opening and closing the blow mould. At least one arrangement of a lateral part carrier and the lateral part provided thereon has an expansion element that can have a gaseous medium applied thereto. The expansion element ensures, when the gaseous medium is applied thereto, that one lateral part is moved towards the other lateral part. During the expansion of the plastic preforms, at least two different pressure levels are applied.

Abstract: A method for stretch-blowing containers of preforms in a blow-molding station of a blow-molding machine, where a stretching bar is adjusted during a stretching process via an electric servomotor by taking along the preform bottom until it contacts a mold cavity bottom of a blow mold, and where in the final phase or at the end or after termination of the stretching process the force transmitted by the servomotor to the stretching bar is reduced in a controlled manner by a maximum force. A stretch-blowing machine, including an electronic programmable control unit having an input section for programming a fixed or a variable reduction of the force the servomotor transmitted in a final phase or upon termination or after termination of each stretching process to the stretching bar with regard to a maximum force and a fixed or a variable period of time for the force reduction and/or a fixed or a variable force reduction waiting time.

Abstract: An apparatus for controlling a tempering device of a blow-molding machine for tempering at least one blow mold member of a blow mold or a blow mold member carrier to a target temperature, with a device for receiving a temperature actual value of the blow mold member or the blow mold member carrier, where the temperature actual value is measured by a temperature measuring device in the blow mold member or the blow mold member carrier, devices for receiving a temperature target value of the blow mold member or the blow mold member carrier, analyzing the received temperature actual value and the received temperature target value, calculating a setting value for the tempering device from the received temperature actual value and the received temperature target value, and transmitting the setting value to the tempering device.

Abstract: An apparatus for shaping plastics material preforms into plastics material containers includes a plurality of shaping stations each having two blow mould parts which are movable with respect to each other and which can be moved between a closed and an opened state. In the closed state the shaping station form a cavity, inside which the plastics material pre-forms are shaped. The shaping stations have a stressing device which acts upon the preforms with a gaseous medium to expand them, and stretch bars which are capable of being inserted into the preforms to stretch them in the longitudinal direction. The shaping stations each have at least one drive device which drives a movement necessary for the shaping procedure, as well as a control device for controlling this drive device. The control device is arranged on the apparatus through a damping device.

Abstract: A stretch-blow molding machine having at least one blow molding station, in which a split blow mold, an adjustable blow nozzle with a valve section, a stretching rod with a stretching rod drive system, and an electronic control unit are provided, the electronic control unit arranged in the blow molding station is equipped with hardware and software for selectively operating the blow molding station with a combination of a cam drive and a pneumatic drive, or a combination of an electric servo drive and a pneumatic drive, or only an electric servo drive in the stretching rod drive system.

Abstract: A blowing machine used to produce containers of correctly temperatured preforms in blowing stations including correctly temperatured blow molds, having functional get-up components such as at least electric servomotors assigned to at least the blowing stations to control and/or monitor secondary functions of functional get-up components during production. In order to bring at least some of said functional get-up components for secondary functions to the correct temperature, an electrically operated, controllable liquid temperature control system is supplied by at least one temperature control device and is integrated into the blowing machine and guided through the functional get-up components.

Abstract: A method and an apparatus for the economical production of containers from thermoplastic material with a blow moulding machine (3) are disclosed. For shaping the containers at least one first pressure channel (21) is provided, supplying a first pressure. Likewise at least one second pressure channel (22) is provided, supplying a second pressure, wherein the first pressure is lower than the second pressure. The air in the first pressure compartment (21) is used for the pre-blowing or for other blowing steps of the containers. The air in the second pressure compartment (22) is used for the final blowing of the containers. The final blown containers are vented into the first pressure compartment (21). A control unit is provided which maintains an essentially constant pressure in the first pressure compartment during the pre-blowing and the venting into the first pressure compartment. A pressure level of the external pressure reservoir (20) can be adjusted accordingly.

Abstract: The invention relates to a device and a method of processing containers. Herein, a processing system is used in which all of the processing units for the containers are kinematically rigidly coupled to one another. According to the invention, a specified number of containers is supplied to the first processing unit of the system and the working speed of the system is reduced after the last container has left the first processing unit and before the specified number of the first containers has reached the second processing unit.

Abstract: A method for stretch-blowing containers of preforms in a blow-molding station of a blow-molding machine, where a stretching bar is adjusted during a stretching process via an electric servomotor by taking along the preform bottom until it contacts a mold cavity bottom of a blow mold, and where in the final phase or at the end or after termination of the stretching process the force transmitted by the servomotor to the stretching bar is reduced in a controlled manner by a maximum force. A stretch-blowing machine, including an electronic programmable control unit having an input section for programming a fixed or a variable reduction of the force the servomotor transmitted in a final phase or upon termination or after termination of each stretching process to the stretching bar with regard to a maximum force and a fixed or a variable period of time for the force reduction and/or a fixed or a variable force reduction waiting time.

Abstract: An apparatus for producing plastic containers includes a heating module that heats plastic preforms and a moulding module for moulding the preforms into containers. The heating module includes a first transport unit that transports the preforms during the heating and a first interface. The moulding module is downstream of the heating module in the transport direction and includes a blow moulding unit for applying a flowable medium onto the preforms for expansion thereof, a second transport unit that transports the preforms during the expansion, and a second interface. The first and second interfaces allow a mechanical connection and an electrical connection between the modules such that the moulding module may be disposed on the heating module and at least one further module integrated between the heating and moulding modules. The further module treats the preforms following the heating and prior to the moulding.

Abstract: A blowing machine used to produce containers of correctly temperatured preforms in blowing stations including correctly temperatured blow molds, having functional get-up components such as at least electric servomotors assigned to at least the blowing stations to control and/or monitor secondary functions of functional get-up components during production. In order to bring at least some of said functional get-up components for secondary functions to the correct temperature, an electrically operated, controllable liquid temperature control system is supplied by at least one temperature control device and is integrated into the blowing machine and guided through the functional get-up components.

Abstract: A stretch-blow molding machine having at least one blow molding station, in which a split blow mold, an adjustable blow nozzle with a valve section, a stretching rod with a stretching rod drive system, and an electronic control unit are provided, the electronic control unit arranged in the blow molding station is equipped with hardware and software for selectively operating the blow molding station with a combination of a cam drive and a pneumatic drive, or a combination of an electric servo drive and a pneumatic drive, or only an electric servo drive in the stretching rod drive system.

Abstract: A device for molding a container from a thermoplastic material in which a heated parison is pre-blown by supplying low-pressure blowing air from a low-pressure air supply and then the blow molding is completed by subsequent supply of high-pressure blowing air and in which the high-pressure blowing air flowing out of the container that has been completely blow molded is supplied to the low-pressure air supply via a reversing mechanism during a transitional phase. A pressure monitoring is performed in the area of the low-pressure air supply and in which, after the transitional phase, the container is vented with respect to an ambient pressure whereby the pressure in the low-pressure air supply is controlled by varying the duration of the transitional phase.

Abstract: A method and an apparatus for the economical production of containers from thermoplastic material with a blow moulding machine (3) are disclosed. For shaping the containers at least one first pressure channel (21) is provided, supplying a first pressure. Likewise at least one second pressure channel (22) is provided, supplying a second pressure, wherein the first pressure is lower than the second pressure. The air in the first pressure compartment (21) is used for the pre-blowing or for other blowing steps of the containers. The air in the second pressure compartment (22) is used for the final blowing of the containers. The final blown containers are vented into the first pressure compartment (21). A control unit is provided which maintains an essentially constant pressure in the first pressure compartment during the pre-blowing and the venting into the first pressure compartment. A pressure level of the external pressure reservoir (20) can be adjusted accordingly.

Abstract: The invention relates to a device and a method of processing containers. Herein, a processing system is used in which all of the processing units for the containers are kinematically rigidly coupled to one another. According to the invention, a specified number of containers is supplied to the first processing unit of the system and the working speed of the system is reduced after the last container has left the first processing unit and before the specified number of the first containers has reached the second processing unit.

Abstract: A device for molding a container from a thermoplastic material in which a heated parison is pre-blown by supplying low-pressure blowing air from a low-pressure air supply and then the blow molding is completed by subsequent supply of high-pressure blowing air and in which the high-pressure blowing air flowing out of the container that has been completely blow molded is supplied to the low-pressure air supply via a reversing mechanism during a transitional phase. A pressure monitoring is performed in the area of the low-pressure air supply and in which, after the transitional phase, the container is vented with respect to an ambient pressure whereby the pressure in the low-pressure air supply is controlled by varying the duration of the transitional phase.