B29C49/6465

Production device and production method for resin containers
12042974 · 2024-07-23 · ·

A manufacturing apparatus for manufacturing a resin container including an injection molding part configured to injection-mold a preform, and a temperature adjustment part configured to adjust a temperature of the preform molded in the injection molding part. The manufacturing apparatus is configured to blow-mold the preform whose temperature has been adjusted in the temperature adjustment part. The injection molding part includes an injection core mold and an injection cavity mold, and both the injection core mold and the injection cavity mold include a flow path connected to a chiller in which coolant is configured to flow to cool the preform such that the preform is inserted into the temperature adjustment part in a state where an outer surface temperature of the preform is higher than a glass transition temperature of a material constituting the preform by 30? C. or higher and 60? C. or lower.

Apparatus and a method for producing oval plastic containers

An apparatus for producing plastic containers is provided, comprising a heating device that heats plastic preforms, and including a shaping device provided downstream of this heating device in the transport direction of the plastic preforms, which shaping device shapes the plastic preforms into the plastic containers, wherein a tempering device for tempering the plastic preforms heated by the heating device is provided in the transport direction of the plastic preforms between the heating device and the shaping device, which tempering device has at least one tempering unit provided on a carrier rotatable about a predetermined rotary axis, and which tempering unit has at least two contacting devices, between which at least one section of the plastic preform can be received, which contacting devices can be moved in relation to one another along a predetermined direction.

Apparatus and a method for producing oval plastic containers
10086533 · 2018-10-02 · ·

An apparatus is provided for producing plastic containers, comprising a heating device that heats plastic preforms, and including a shaping device provided downstream of this heating device in the transport direction of the plastic preforms, which shaping device shapes the plastic preforms into the plastic containers, wherein a tempering device for tempering the plastic preforms heated by the heating device is provided in the transport direction of the plastic preforms between the heating device and the shaping device, which tempering device has at least one tempering unit provided on a carrier rotatable about a predetermined rotary axis, and which tempering unit has at least two contacting devices, between which at least one section of the plastic preform can be received, which contacting devices can be moved in relation to one another along a predetermined direction.

TEMPERATURE ADJUSTING DEVICE, TEMPERATURE ADJUSTING METHOD, AND RESIN CONTAINER MANUFACTURING METHOD

A temperature adjustment device and a temperature adjustment method for a preform in a blow molding device with which it is possible to reduce a molding cycle time is provided. A temperature adjustment device for a preform in which a hollow rod member is inserted into an injection-molded, bottomed preform retained by a retention member, and a first air circulation path is formed between the preform and the hollow rod member to adjust the temperature of the preform. The temperature adjustment device is characterized in that a flow path adjustment member is fitted and attached to the outer periphery of the hollow rod member, whereby the cross-sectional area of the first air circulation path is partially adjusted and changed.

PREFORM AND METHOD FOR PRODUCING CONTAINER
20180257264 · 2018-09-13 · ·

A preform 20 comprises a neck portion 22 having an opening 21, a cylindrical barrel portion 23, and a bottom portion 24 larger in diameter than the barrel portion 23, and has a corner portion 25 at a boundary between the barrel portion 23 and the bottom portion 24.

BLOW MOULDING MACHINE SYSTEM AND METHOD
20180243965 · 2018-08-30 ·

A blow moulding machine for producing blown containers with an integrally formed handle; the machine including a preform injection moulding stage wherein the preform comprising a body portion, a neck portion and an integrally moulded handle; the machine further including a handle orientation stage, a preform conditioning stage and a blow moulding stage, and wherein the preform is nested in cavities provided in opposing portions of a conditioning module; the integrally moulded handle nested in cavities lined with an insulating material. Also disclosed is a method of producing a blown container with an integrally formed handle in a blow moulding machine; the blow moulding machine including a preform injection moulding stage for moulding a preform comprising a body portion and an integrally moulded handle; the blow moulding machine further including a handle orienting stage, a preform conditioning stage and a blow moulding stage; the method including the steps of: Injection moulding the preform with an integrally moulded handle, Orienting the handle of the preform into a predetermined orientation, Transferring the preform to a preform conditioning module, Transferring the preform from the preform conditioning module to a die of a blow moulding machine when the preform body and integrally moulded handle are at predetermined temperatures, Blowing the container in the blow moulding machine, and wherein the preform is nested in cavities provided in opposing portions of the conditioning module; the integrally moulded handle nested in cavities lined with an insulating material.

Device for processing preforms—fast changer
09956713 · 2018-05-01 · ·

A device for processing performs may include at least a holder device for holding at least one preform and for at least temporary contacting arrangement of at least one wall part of the preform on at least one contact device. By the at least one contact device, a temperature of the first wall part can be prespecified, which at least temporarily differs from the temperature of a second wall part that is always spaced from the contact device. The contact device may be releasably held by a carrier device forming at least in parts a holding zone for the contact device.

TEMPERATURE ADJUSTMENT MOLD AND MANUFACTURING APPARATUS FOR RESIN CONTAINER

A temperature adjustment mold for adjusting a temperature of an injection-molded bottomed preform made of resin includes: an air introduction member that is inserted into the preform and cools the preform by introducing compressed air from an air supply port into an interior of the preform; a cavity mold that accommodates the preform inside and performs heat exchange in contact with an outer peripheral surface of the preform into which the compressed air has been introduced; and a heating mechanism that heats a first portion of the cavity mold facing the air supply port more than a second portion of the cavity mold located on a downstream side of a flow path of the compressed air than the first portion.

Die unit, blow molding device, and blow molding method

There is provided a mold unit for cooling a preform that has been injection-molded, the preform having a bottomed shape and made of a resin, the mold unit including a core mold having an outer shape corresponding to an inner shape of the preform, and being insertable into the preform, in which a flow path for a temperature adjustment medium extending in an axial direction of the core mold is formed inside the core mold, the flow path is formed at a position displaced in a circumferential direction of the core mold, and a position of the flow path is adjustable in the circumferential direction.

Cooling mold, and apparatus and method for manufacturing resin molded article

A cooling mold for cooling a resin preform that has a gate portion protruding outward from a center of a bottom portion, in which an accommodating space that accommodates the preform is formed in the cooling mold, a bottom region facing the bottom portion of the preform in the accommodating space has a shape following the bottom portion of the preform, and an air sucking hole for sucking air is formed in the bottom region at a position shifted from the center of the bottom portion of the preform. In the accommodating space, a region facing a body portion of the perform and a bottom region facing the bottom portion of the perform are formed as a single member.