B29C49/42079

Molded article extracting device

This extracting device 30 is for extracting a small and lightweight molded article 10 from a molding machine 20, and is provided with a first extracting member 40a, a second extracting member 40b, a first drive mechanism 50, and a second drive mechanism 60, wherein the first extracting member 40a and the second extracting member 40b are provided with accommodating portions 41a, 41b for accommodating the molded article 10, and shutter plates 42a, 42b for opening and closing the accommodating portions 41a and 41b.

METHOD FOR PRODUCING A CONTAINER PRODUCT AND DEVICE FOR IMPLEMENTING THE METHOD

Disclosed is a method for producing at least one molded, filled and sealed container product (10) comprising at least the method steps listed below: extruding a hose (32) by means of an extrusion device (12) using supporting gas in vertical extrusion direction in a preforming position; sealing the hose (32) at its lower end and cutting it at its upper open end; transporting of the parison (22) thus cut to length by means of a gripper device (20) in linear transport direction transverse to the extrusion direction from the preforming position into an opened molding tool (18); transferring the parison (22) into the opened molding tool (18) by means of the gripper device (20) in a main forming position; sealing the molding tool (18) for further forming of the parison (22) by a pressure gradient; filling and sealing the parison (22); and returning the gripper device (20) to the preforming position for a repeated sequence of the above method steps

GRIP DEVICE FOR THE SUPPORT AND MOVEMENT OF PREFORMS
20230174322 · 2023-06-08 ·

A grip device for the support and movement of preforms which extends along a longitudinal axis and is of the type provided with an access port which forms, at a rim, an annular radial flaring which lies on a surface of arrangement that is substantially perpendicular to the longitudinal axis. The grip device includes a supporting element which is functionally associated with an air supply conduit and is connected to at least one air exit nozzle which is adapted to generate at least one respective air flow which is designed to arrange itself parallel to at least one portion of the radial flaring of a preform to be held in order to enable the preform to be supported without contact.

Method and apparatus for preparing a liner for a composite pressure container
11426919 · 2022-08-30 · ·

Blow moulding a container, including extruding a tube shaped, hollow, elongated parison from an extrusion head having one free end; and closing a moulding equipment around the parison. The moulding equipment includes a moulding cavity and at least one aperture providing an opening into the moulding cavity from outside the moulding equipment. An excess section of the parison is arranged inside the at least one aperture. The free end of the parison is kept in place in the moulding equipment opposite the at least one aperture. The method includes holding the excess section of the parison within the at least one aperture via a holding force; cutting the parison outside the equipment, thereby providing an open end; arranging a blow pin to close the open end of the parison; and blowing pressurised gas from the blow pin into the parison, thereby forming a blow moulded container within the moulding cavity.

COOLING MOLD, AND APPARATUS AND METHOD FOR MANUFACTURING RESIN MOLDED ARTICLE

There is provided 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.

APPARATUS FOR BLOW MOLDING CONTAINERS
20230173735 · 2023-06-08 ·

An apparatus for blow molding plastic containers includes a blow molding carousel and is connected, at a first transfer station, to a feeding line of preforms, the first transfer station having a transfer carousel supporting a grip elements which are associated with at least one respective grip body., e Each grip element has a first arm, which is supported so that it can rotate by the transfer carousel in order to rotate on command about a substantially vertical pivoting axis, and a second arm, which extends longitudinally and can slide on command with respect to the first arm along an advancement/retraction direction which is substantially parallel to its own direction of extension. The grip body includes a coupling element which is configured to stably hold the preform.

COOLING AND RETAINING PIN FOR AN APPARATUS FOR COOLING AND HANDLING PREFORMS MADE OF PLASTIC MATERIAL
20220258396 · 2022-08-18 ·

A cooling and retaining pin (1) for cooling, by air blowing, and retaining, by air suction, a plastic preform, the pin comprising a body (2), defining a longitudinal axis and having a first opening (5) at a first end thereof, coaxial to said longitudinal axis and adapted to be connected to a handling station; a movable element (3) adapted to slide at least partially inside said body; at least one air passage gap provided at a second end of the body or at said first end; wherein the movable element (3) is adapted to move from a first position, to which a first air passage section corresponds, to a second position, to which a second air passage section corresponds, which is smaller than said first section, so as to adjust a blowing air flow during the cooling step and a suction air flow during the step of retaining the preform.

Apparatus for blow molding containers
11858193 · 2024-01-02 · ·

An apparatus for blow molding plastic containers includes a blow molding carousel and is connected, at a first transfer station, to a feeding line of preforms, the first transfer station having a transfer carousel supporting grip elements which are associated with at least one respective grip body. Each grip element has a first arm, which is supported so that it can rotate by the transfer carousel in order to rotate on command about a substantially vertical pivoting axis, and a second arm, which extends longitudinally and can slide on command with respect to the first arm along an advancement/retraction direction which is substantially parallel to its own direction of extension. The grip body includes a coupling element which is configured to stably hold the preform.

MOLDED ARTICLE EXTRACTING DEVICE

A molded article removing device for removing a small and lightweight molded article from a molding machine includes: a first removing member receiving the molded article from a removing unit of the molding machine; a second removing member receiving the molded article from the first removing member; a first drive mechanism moving the first removing member in a horizontal direction; and a second drive mechanism moving the second removing member in a vertical direction, each of the first removing member and the second removing member includes: an accommodating portion accommodating the molded article; and a shutter plate sliding in the horizontal direction to open and close the accommodating portion, and the molded article is accommodated in the accommodating portion in a state where the accommodating portion is closed, and is dropped from the accommodating portion by opening the accommodating portion.

METHOD AND APPARATUS FOR PREPARING A LINER FOR A COMPOSITE PRESSURE CONTAINER
20200230862 · 2020-07-23 ·

Blow moulding a container, including extruding a tube shaped, hollow, elongated parison from an extrusion head having one free end; and closing a moulding equipment around the parison. The moulding equipment includes a moulding cavity and at least one aperture providing an opening into the moulding cavity from outside the moulding equipment. An excess section of the parison is arranged inside the at least one aperture. The free end of the parison is kept in place in the moulding equipment opposite the at least one aperture. The method includes holding the excess section of the parison within the at least one aperture via a holding force; cutting the parison outside the equipment, thereby providing an open end; arranging a blow pin to close the open end of the parison; and blowing pressurised gas from the blow pin into the parison, thereby forming a blow moulded container within the moulding cavity.