B29C49/42122

MOLDING SYSTEMS AND RELATED METHODS

An actuator system for use in a mold system includes a first actuator operatively coupled to a first mold portion and configured to move the first mold portion along an axis in a first direction from a first molding position toward a first ejecting position. The system also includes a second actuator operatively coupled to a second mold portion and configured to move the second mold portion along the axis in the first direction from a second molding position toward a second ejecting position. The system further includes a controller in communication with the first and second actuators and configured to independently activate the first and second actuators.

PITCH CHANGING DEVICE, AND MOLDING DEVICE PROVIDED WITH SAME AND MOLDING METHOD
20210268714 · 2021-09-02 · ·

A molding device suitable for performing at least one of injection molding of preforms and blow molding of the preforms includes a pitch changing device including: N holding units capable of holding the preforms and arranged at a predetermined pitch in a predetermined direction, N being inter equal to or larger than 2; a coupling unit coupling the holding units adjacent to each other such that the pitch is changeable; a drive unit configured to generate a predetermined drive force; and a drive force transmission unit configured to transmit the drive force to each of one end-side and the other end-side, in the predetermined direction, of the coupled N holding units. The one end-side and the other end-side are configured to be moved in the predetermined direction by the drive force to change the pitch.

Preform conveying device, preform conveying method, and blow molding device
11065803 · 2021-07-20 · ·

A preform conveying device (100) of the invention includes a control unit that detects an arriving time at which a conveyor jig arrives at a reference position based on an output of a first encoder, and commands a second motor to move a conveyor arm to a target position at regular intervals from the arriving time. The target position in each command is a position obtained by adding, to a current position of the conveyor jig which is obtained based on a latest output of the first encoder which was obtained when the command has been issued, a moving distance by which the conveyor jig has advanced during a delay time T which spans from a time when the latest output is outputted from the first encoder to a time when the command is received by the second motor.

Liquid blow molding method

A liquid blow molding method molds a bottomed tubular-shaped preform into a liquid containing container. The method includes a nozzle engaging step of engaging a blow nozzle with a mouth of the preform; a molding step of molding the preform into a container of a predetermined shape by supplying a pressurized liquid from a pump into the preform; a suck-back step of sucking back a predetermined volume of liquid out of the container into a supply path; a nozzle closing step of closing the blow nozzle by a sealing body; and a discharge step of discharging a liquid in the supply path by a predetermined volume from a discharge port by operating, after the nozzle closing step, a pump in a positive direction with the discharge port connected to the supply path opened.

SORTING DEVICE AND FEED RAIL FOR PLASTIC PREFORMS
20210114279 · 2021-04-22 ·

Apparatus for transporting plastic preforms, has a sorting device configured for sorting plastic preforms and a transport device arranged after the sorting device in a transport direction. The transport device includes a first support rail and a second support rail for carrying the plastic preforms between the first and second support rails along the direction of transport. The sorting device has two rollers spaced apart from one another, between which the plastic performs are guided.

The apparatus has an adjustment mechanism for adjusting at least one lateral spacing of the support rails, wherein this adjustment mechanism has several adjustment units which are arranged one behind the other along the transport direction, wherein these adjustment units each enable an adjustment of the lateral spacing and wherein these adjustment units are mechanically coupled such that the adjustment units can be adjusted together.

Apparatus and method for processing plastic containers, in particular by means of long stators
10786940 · 2020-09-29 · ·

Provided is a device for treating containers and in particular plastic containers, including a first transport device having a continuous carrier on which a first plurality of transport elements are moveably arranged, each having at least one retainer for retaining plastic preforms and being designed and configured to transport said plastic preforms along a first transport path, and including at least one heating device arranged along the first transport path in order to heat the plastic preforms at least in sections during their transportation along the first transport path.

Transport and feed unit for preforms
10669050 · 2020-06-02 · ·

A transport and feed unit for preforms, in particular for PET bottles, in which the transport and feed unit can be charged with preforms at its upstream end and supplies the preforms to a conveyor unit arranged at the downstream end of the transport and feed unit. The transport and feed unit has a first conveyor and a second conveyor, in which at the downstream end of the first conveyor a funnel-like device is provided through which the preforms reach the second conveyor which supplies the preforms to the conveyor unit arranged at its downstream end.

Apparatus for molding handle-equipped container, and mold and mold unit for use in same

An apparatus for molding a handle-equipped container is provided. The apparatus has a gripping mechanism section 160a which comprises a first gripping member 161 having a pair of first chuck members 163 for grasping a preform 200, and a second gripping member 162 having a pair of second chuck members 167 for grasping a container handle 20 in association with the action of the first gripping member 161. The apparatus can simultaneously grasp a plurality of the preforms 200 and a plurality of the container handles 20 and reliably transport them to a blow molding section.

Blowing mold for blowing thermoplastic material containers

Blowing mold (10, 100) for blowing thermoplastic material containers, comprising two half molds (1, 2) and a device for the cyclic opening and closing of the half molds (1, 2) which comprises a control shaft connected to the half molds by means of connecting rods (14, 20) and a control hub (15). The control hub is provided with a plurality of holes appropriately positioned so that by choosing the holes to which the connecting rods are hinged, it is possible to change the maximum opening angle of the mold.

Method for controlling a conveyor for hollow bodies through a heating station and associated conveyor

Disclosed is a method for controlling a conveyor for conveying hollow bodies through a hollow-body heating station including: a heating tunnel defining a heating path, a conveyor including at least one travel track and shuttles capable of moving along the track while picking up at least one hollow body, the movement of each shuttle being controlled individually, a travel-track loading portion on which two consecutive shuttles move at a first predetermined input separation, and a travel-track unloading portion. Two consecutive shuttles moving on this unloading portion are spaced apart by a predetermined output separation that is different from the first input separation.