B29C2049/78805

METHOD AND APPARATUS FOR PROCESSING PLASTIC CONTAINERS WITH SPEED-CONTROLLABLE BLOW MOULDING MACHINE
20210170665 · 2021-06-10 ·

The invention relates to a method for processing plastic preforms (10) and/or plastic containers (20) by means of at least one first processing apparatus (2), which processes the plastic containers (10, 20) in a first specified manner, and by means of at least one second processing apparatus (4), which processes the plastic containers (10, 20) in a second specified manner and which is arranged before or after the first processing apparatus (2), wherein the plastic containers (10, 20) are transported from one processing apparatus (2, 4) to the other processing apparatus (2, 4) by means of a transport apparatus (5) and the at least first processing apparatus (2) and the at least second processing apparatus (4) are coupled to each other, the first treatment apparatus (2) is a blow-molding machine (25) for shaping plastic preforms (10) to form plastic containers (20), and the process speed of the blow-molding machine (25) is defined by means of a specification, which contains a plurality of process parameters that are characteristic of the shaping process. According to the invention, the process parameters associated with at least one further process speed are at least partially determined on the basis of at least two key specifications, such that the adaptation of the process speed of the blow-molding machine (25) to a speed of at least one further processing apparatus (2, 4) is enabled and/or adjustment of the speed is possible.

APPARATUS FOR FORMING PLASTIC MATERIAL PREFORMS INTO PLASTIC MATERIAL CONTAINERS WITH DECOUPLED DRIVES
20210114282 · 2021-04-22 ·

An apparatus for forming plastic material preforms into plastic material containers has a transport device which transports the plastic material preforms along a predetermined transport path, wherein this transport device has a plurality of transport devices preferably adjoining one another for transporting the plastic material preforms, with a heating device, which heats the plastic material preforms, and with a forming device which is arranged along the transport path of the plastic material preforms downstream of the heating device, wherein the apparatus has a first transport device which feeds the plastic material preforms individually to the heating device, wherein the heating device has a second transport device which transports the plastic material preforms during their heating. The first transport device has a first drive device and the second transport device has a second drive device and the first drive device and the second drive device can be controlled independently of one another.

METHOD FOR OPERATING A CONTAINER TREATMENT SYSTEM AND CONTAINER TREATMENT SYSTEM WITH OPTIMIZED PARAMETERS

A method of operating a container treatment system, wherein a plurality of parameters of the container treatment system, which are characteristic for the treatment of containers in the container treatment system, are variable and wherein the parameters are each linked to at least one value characteristic of the containers to be treated, wherein for each parameter a plurality of reference parameter values are stored in a storage device, wherein at least one characteristic value of the containers to be treated is entered at a user interface and, on the basis of this entry and the stored reference parameter values, a combination of parameter values for the parameters is calculated.

Changing blow moulds in blow-moulding machines
10953589 · 2021-03-23 · ·

A method for operating a forming device for forming plastic preforms into plastic containers, wherein in a working mode of the apparatus, the plastic preforms are transported by means of a plurality of forming stations along a predefined transport path, and by loading with a fluid medium are expanded into plastic containers, wherein to expand the plastic preforms, blow-moulding devices are used, inside which the plastic preforms are expanded into plastic containers, wherein in a change mode, at least one of the blow-moulding devices is removed from the apparatus and/or one of the blow-moulding devices is arranged on a blow-mould carrier of the apparatus, wherein to change the blow-moulding devices, a change device is used which has a gripper device for gripping the blow-moulding device. According to the invention, in a working mode, the forming device is operated in a first protected area which is not accessible to a machine operator, and the change device is arranged at least partially in a second protected area which is accessible for the machine operator for at least part of the time in working mode, wherein a connection can be created between the first protected area and the second protected area.

METHOD FOR PRODUCING CONTAINERS, BY BOXING THAT CAN BE ADJUSTED DEPENDING ON THE BLOWING CURVE
20210023762 · 2021-01-28 ·

A method for producing a container from a blank, inside a forming unit having a mold and a movable insert controlled by a variable-flow solenoid valve, a control unit linked to the solenoid valve. The method comprises developing a boxing curve characterizing the successive positions of the insert; determining, based on a reference blowing curve, points of inflection; measuring, on the boxing curve, distances actually travelled by the insert between points in time, some of which correspond to these points of inflection; and comparing the values of the measured distances with nominal values. If there is a difference between a measured value and a nominal value, controlling, by the control unit, a modification in the flow rate setpoint of the solenoid valve for the next production cycle.

Method for regulating a facility for processing a series of containers and corresponding facility
10890891 · 2021-01-12 · ·

A method for regulating a facility for processing a series of containers includes an operating phase during which a first machine for processing containers that is equipped with a number of first stations is driven in rotation, and a second machine for processing containers that is equipped with a number of second stations is driven in rotation. The facility has a transfer point from the first to the second processing machine. The operating phase includes a synchronized and paired operating step in which the synchronized rotation of the first and second machines is accompanied by a repetitive series of pairing partners at the transfer point, each pairing partner including a first station arriving at the transfer point coincidentally with a second station, enabling transfer of a container from the first station of the pairing partner to the second station of the pairing partner.

Maintenance method for an installation for forming containers, including a resynchronizing procedure
10807297 · 2020-10-20 · ·

Disclosed is a maintenance method for an installation for production of containers from blanks made of plastic material, which includes: a blow-molding machine including a rotating carousel and a plurality of forming stations, each including a mold; a primary power unit connected to the carousel; a transfer device suitable for inserting a blank into a mold or for withdrawing a container therefrom; and a secondary power unit connected to the transfer device. The method includes the detection of a misalignment of the transfer device with the carousel, and, therefore, operations for desynchronization of the power units, for realigning and then for resynchronization of the transfer device and of the carousel.

Method for controlling a process for the blow-molding of plastic containers
10751927 · 2020-08-25 · ·

Method for controlling a method for the manufacture of a container by stretch-blow-molding of a plastic preform (2) in a machine (1) including a mold (26), the preform (2) having a body (3), a neck (4) opening at one end of the body (3) and a bottom (5) closing the body (3) at another end thereof, the manufacturing method including the operations involving:heating the preform to a predetermined temperature in a thermal conditioning oven (10);introducing the preform (2) into the mold (26);moving a stretching pin (28) so as to stretch the preform (2); this control method involving a step that consists in determining the position of impact (P0r) of the stretch pin (28), namely the position it occupies at the moment at which it reaches the bottom (5) of the preform (2) during its movement.

METHOD FOR ASSISTING IN THE PROGRAMMING OF AN ELECTRONIC CONTROL UNIT OF A FORMING STATION
20200171736 · 2020-06-04 ·

The invention relates to a method for assisting in the programming of an electronic control unit of a forming station comprising molding units, each of which has an interchangeable mold, the method comprising a manual programming step consisting in selecting a value for determined operating parameters through a data entry interface in the electronic control unit, wherein each mold has fastened thereto a storage component having values compatible with each mold for each determined parameter, is attached to said mold, the method comprising a prior step of reading the values stored in the storage component by means of a reader which automatically transmits the values to the electronic control unit to limit the choice of values of each parameter to the compatible values.

Method for starting up a blow moulding machine, and system including a blow moulding machine
10611076 · 2020-04-07 · ·

In a method for operating an apparatus for transforming plastic preforms into plastic containers, the apparatus acts upon a flowable medium to plastic preforms in order to expand these plastic preforms to form the plastic containers, and the apparatus carries out this transforming operation while taking account of a plurality of process parameters. The plurality of process parameters is determined on the basis of a machine model, wherein a predefined number of input parameters are transferred to this machine model and at least one processor unit determines the process parameters and/or values characteristic of these process parameters on the basis of these input parameters.