The invention relates to a heating module and a primary reflector for a heating module of a heating duct of a molding machine for producing containers from preforms, in which preforms made of thermoplastic are heated, which is provided between tubular heating units arranged in parallel and one over another on a side wall of the heating module and the side wall and consists of ceramic material, and is characterized in that the primary reflector is connected via a dovetail connection to the side wall, wherein a connecting region in the form of a dovetail is formed in each case on the reflector, which is fixable in each case with a clip made of steel, in particular spring steel, fastened on the side wall, having dimensions adapted to the dovetail.

The present invention relates to a heating system for preforms upstream of a blowing or stretch-blowing machine, in particular a heating system using monochromatic infrared radiation, preferably laser-generated. In particular, the invention relates to a heating system (301) for preforms (P), comprising a carousel for treating the preforms (P) comprising a plurality of heating elements (304) configured to be inserted either inside or outside each preform (P) and to radiate electromagnetic radiation in the infrared field which forms, in such a device, a disc of radiation according to a radial symmetry which departs from the center of the axis of the preform and which appropriately converges and diverges.

The present invention relates to a heating system for preforms upstream of a blowing or stretch-blowing machine, in particular a heating system using monochromatic infrared radiation, preferably laser-generated. In particular, the invention relates to a heating system (301) for preforms (P), comprising a carousel for treating the preforms (P) comprising a plurality of heating elements (304) configured to be inserted either inside or outside each preform (P) and to radiate electromagnetic radiation in the infrared field which forms, in such a device, a disc of radiation according to a radial symmetry which departs from the center of the axis of the preform and which appropriately converges and diverges.

Apparatus (1) for treating plastic preforms (10) with a preform sorting device (2) comprising a sorting device (3) and a damming device (5) which transports the plastic preforms (10) along a first rectilinear transport path (T1), wherein the sorting device (3) is suitable and intended to bring the plastic preforms (10) into a predetermined orientation and the damming device (5) is suitable and intended to feed the plastic preforms (10) in an ordered manner to a heating device (12) arranged downstream of the preform sorting device (2), which heats the plastic preforms (10) to a temperature necessary for blow moulding, wherein the heating device (12) transports the plastic preforms (10) along a substantially second rectilinear transport path (T2) and a plurality of stationary arranged heating elements (14) are arranged along the second rectilinear transport path (T2). According to the invention, the preforms sorting device (2) and the heating device (12) are arranged on a common carrier (9).

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.

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.

The invention proposes a method for positioning protective screening ramps of a station for heating preforms, on the occasion of a change of format, the heating station comprising: —members for transporting preforms; —at least one pair of parallel longitudinal screening ramps for protecting necks against heat, which ramps are parted in order to leave a slot through which the preforms progress; —a motorized device for moving the ramps transversely. The method includes a preliminary calibration step which consists in arranging at least two calibration elements between the two protective screening ramps occupying an initial position, and manually causing the protective screening ramps to move into a calibrated position in which they are each in simultaneous contact with the two calibration elements.

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.

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.

A blow molding device is provided in which a preform is injection-molded. The injection-molded preform is temperature-controlled by a temperature adjusting unit, and the temperature-adjusted preform is blow-molded, wherein the temperature adjusting unit has a multistage structure in which an uppermost stage has the highest temperature structure, and the mold surface temperatures of lower stages and other than the uppermost stage are set to be 10° C. or more lower than the glass transition temperature of the preform.