B29C49/28

Parison supply device and supply method, and blow molding machine and blow molding method using same

A blow molding capable of maintaining the parison thickness distribution uniform, fabricating high-quality molded products, and improving its productivity. A parison supply device for supplying, to a blow mold, a parison discharged from an extrusion die, the parison supply device including: a pair of chucks for pinching, from above and below, a parison discharged downward from the extrusion die; and a chuck operation part for controlling an operation of pinching the parison by the pair of chucks and an operation of moving the pair of chucks. By the chuck operation part, the pair of chucks performs the operation of pinching the parison while being moved downward.

MOULD FILLING WITH SUBSEQUENT CLOSING UNDER INTERNAL PRESSURE

Disclosed is an apparatus for expanding and filling plastic parisons to form plastic containers with a liquid medium, with at least one transforming station which has a hollow mould, inside which the plastic parisons can be expanded into plastic containers and can be simultaneously filled by application of a liquid medium, wherein the transforming station is arranged on a carrier and wherein the transforming station has a filling device which feeds the liquid medium to the plastic parisons under pressure, wherein the transforming station has a pressure chamber to which a gas can be applied, wherein for filling of the plastic parisons the filling device can be introduced into the pressure chamber and after the filling can be removed at least partially, and wherein a closing unit can be introduced into the pressure chamber, in order to close the expanded und filled plastic containers.

MOULD FILLING WITH SUBSEQUENT CLOSING UNDER INTERNAL PRESSURE

Disclosed is an apparatus for expanding and filling plastic parisons to form plastic containers with a liquid medium, with at least one transforming station which has a hollow mould, inside which the plastic parisons can be expanded into plastic containers and can be simultaneously filled by application of a liquid medium, wherein the transforming station is arranged on a carrier and wherein the transforming station has a filling device which feeds the liquid medium to the plastic parisons under pressure, wherein the transforming station has a pressure chamber to which a gas can be applied, wherein for filling of the plastic parisons the filling device can be introduced into the pressure chamber and after the filling can be removed at least partially, and wherein a closing unit can be introduced into the pressure chamber, in order to close the expanded und filled plastic containers.

BLOW-MOLDING MACHINE AND METHOD OF STERILIZING THE SAME
20200114566 · 2020-04-16 · ·

To simply sterilize a blow-molding machine. A mist or gas of hydrogen peroxide or a mixture thereof is introduced through a valve block disposed adjacent to a molding die, thereby sterilizing at least the molding die and an extension rod that extends into the molding die through the valve block.

BIAXIAL STRETCHING AND BLOW MOLDING DEVICE

A biaxial stretch blow molding device comprises: a first guide shaft which is erected on an upper base and to which a blow core fixing member is slidably coupled; a second guide shaft erected on the stretch rod fixing member; a support member fixed to the first guide shaft and provided with a guide hole through which the second guide shaft is slidably inserted; a first drive device that moves the blow core fixing member forward and backward independently of the stretch rod fixing member; and a second drive device that moves the stretch rod fixing member forward and backward independently of the blow core fixing member.

BLOW MOLDING APPARATUS AND SYSTEM
20200108543 · 2020-04-09 ·

A blow mold clamping apparatus and a blow molding system are disclosed.

BLOW MOLDING APPARATUS AND SYSTEM
20200108543 · 2020-04-09 ·

A blow mold clamping apparatus and a blow molding system are disclosed.

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.

Station for forming a container operable in an injection configuration and in a displacement configuration
10603834 · 2020-03-31 · ·

A station for forming a container from a preform. The station having a main body including a preform seat adapted to receive a preform and an injection assembly. The injection assembly including an injection nozzle, comprising an inlet and an outlet, that is movable between a retracted position and an injection position. An injection device arranged to inject liquid to the inlet of the injection nozzle. The injection device includes a housing, defining a main chamber having an actuation aperture, and a closing element movable relative to the housing and closing the actuation aperture. The injection nozzle and the housing of the injection device are rigidly fixed to each other so as to form a single unit.

Station for forming a container operable in an injection configuration and in a displacement configuration
10603834 · 2020-03-31 · ·

A station for forming a container from a preform. The station having a main body including a preform seat adapted to receive a preform and an injection assembly. The injection assembly including an injection nozzle, comprising an inlet and an outlet, that is movable between a retracted position and an injection position. An injection device arranged to inject liquid to the inlet of the injection nozzle. The injection device includes a housing, defining a main chamber having an actuation aperture, and a closing element movable relative to the housing and closing the actuation aperture. The injection nozzle and the housing of the injection device are rigidly fixed to each other so as to form a single unit.