Abstract: A method and an apparatus for the economical production of containers from thermoplastic material with a blow moulding machine (3) are disclosed. For shaping the containers at least one first pressure channel (21) is provided, supplying a first pressure. Likewise at least one second pressure channel (22) is provided, supplying a second pressure, wherein the first pressure is lower than the second pressure. The air in the first pressure compartment (21) is used for the pre-blowing or for other blowing steps of the containers. The air in the second pressure compartment (22) is used for the final blowing of the containers. The final blown containers are vented into the first pressure compartment (21). A control unit is provided which maintains an essentially constant pressure in the first pressure compartment during the pre-blowing and the venting into the first pressure compartment. A pressure level of the external pressure reservoir (20) can be adjusted accordingly.

Abstract: The technical problem to be solved by this invention is to develop a polyester resin container that can be retort-processed at a temperature in the range of above 120° C. to about 130° C. The object of this invention is to provide a polyester resin container, which is capable of improving the productivity and quality of retort foods, and a molding process thereof. The process of this invention is a double blow molding process, which comprises a primary blow molding step in which a preform is biaxially drawn and blow molded into a primary intermediate product, a thermally shrink-molding step in which the primary intermediate product is heated and forcibly shrink-molded into a secondary intermediate product, and a secondary blow molding step for blow molding the secondary intermediate product into a container, wherein the process is characterized in that a mold temperature higher than 210° C. is used in the secondary blow molding step.

Abstract: Exemplary embodiments include a unitary pool filter tank and/or an underdrain for a pool filter unit. Embodiments of the unitary pool filter tank can have an integrally formed housing and base. The filter tank can be formed using a blow molding process in which the base of the filter tank is includes a support section and a punted section that has an underdrain mounting member. Embodiments of the underdrain can be formed by interlocking top and bottom components. The top and bottom components can be interlocked by inter-component locking structures.

Abstract: Process for manufacturing a fuel tank equipped with an internal accessory and having a plastic wall produced from a parison, said process comprising, in order, the following steps: a) the accessory and the molten parison are introduced into a mould so that the accessory is surrounded by the parison, said mould comprising cavities equipped with at least one moving part; b) a pressurized gas is introduced inside the parison to carry out a pre-blow moulding of said parison; c) the pre-blow-moulded parison is pressed locally against the accessory using the moving part in order to firmly attach the two without piercing the parison; d) the mould is closed and the final blow moulding of the parison is carried out by flattening it against the mould cavities using the pressurized gas; and e) the tank is removed from the mould.

Abstract: A method of forming a plastic container from a preform. The method comprises injecting a forming liquid into the preform at a predetermined system pressure range, a predetermined flow rate, and a predetermined duration sufficient to create a pressure spike at a peak pressure. The peak pressure being greater than the system pressure to urge the preform into the mold cavity, thus creating enhanced container definition, reduced post mold shrinkage, lower residual material stresses, and/or an improved transfer of the mold geometry and engraving to the final formed container.

Abstract: The invention relates to an apparatus (1) for moulding plastic preforms (10) into plastic containers (10a), comprising a clean room (20), at least one blow station (8) comprising a blow mould (4) for shaping the plastic preforms (10) by means of at least one process pressure (89, 91, 92), and comprising a venting device (65) for venting the process pressure (89, 91, 92) or a process pressure reduced to a recovery pressure into the atmosphere, wherein the venting device (65) comprises at least one venting valve (67), by means of which the process pressure (89, 91, 92) or the recovery pressure can be vented into the atmosphere via a sound absorber (69), said apparatus (1) being characterised by a pressure drop safety device (68) for closing the venting valve (67) before the atmospheric pressure level (97) on the venting device (65) is reached.

Abstract: The invention relates to a method of gas blow forming packaging in a mould using a preform and comprising recovery of the blow gas. The inventive method comprises the following steps consisting in: —) pre-blowing the gas into the preform at a first pressure (P1); —) blowing the gas into the pre-blown packaging at a second pressure (P2) which is greater than the first pressure (P1); —) blowing the gas into the partially-blown packaging at a third pressure (P3) which is greater than the second pressure (P2); —) recovering the gas in a recovery volume until a pre-determined pressure is obtained in the packaging or for a pre-determined period of time; —) using the recovered gas in order to preform pre-blowing operations and the first blowing step; and expanding the air that is free of residual gas in the packaging during and after the recovery phase. The invention also relates to a device that is used to implement said method.

Abstract: Process for manufacturing a fuel tank equipped with an internal accessory and having a plastic wall produced from a parison, said process comprising, in order, the following steps: a) the accessory and the molten parison are introduced into a mould so that the accessory is surrounded by the parison, said mould comprising cavities equipped with at least one moving part; b) a pressurized gas is introduced inside the parison to carry out a pre-blow moulding of said parison; c) the pre-blow-moulded parison is pressed locally against the accessory using the moving part in order to firmly attach the two without piercing the parison; d) the mould is closed and the final blow moulding of the parison is carried out by flattening it against the mould cavities using the pressurized gas; and e) the tank is removed from the mould.

Abstract: A forming tool (100) for and a method of making a three dimensional composite component using double diaphragm forming. The forming tool (100) comprises a forming side having two or more regions of changing profile and one or more through holes associated with each region, the through holes exit on the forming side and are connectable to one or more vacuum sources such that vacuum can be selectively and discretely applied to each region.

Abstract: A method of fluid forming a container comprising positioning a plastic preform into a mold cavity, wherein the mold cavity defines a first configuration and a first volume. The method further includes injecting a fluid within the plastic preform at a first fluid pressure urging the plastic preform into an expanded shape. The method includes actuating the mold cavity into a second configuration and a second volume, whereby the second volume is smaller than the first volume, thereby resulting in a second fluid pressure within the plastic preform being greater than the first fluid pressure.

Abstract: The invention provides, in one aspect, a method of making a container having a body and a rim defining an opening for the container, the opening being capable of being closed by a push-on lid, the container being made of a material which is susceptible to deformation when heated. In other aspects, the invention also provides a container and an apparatus for making a container.

Abstract: Disclosed is a method for producing a synthetic resin container comprising: a primary blow step of forming a bottomed cylindrical preform 10 made of a thermoplastic resin into a first molded intermediate 11 by blow molding; a constriction step of constricting the first molded intermediate 11 by depressurizing the inside of the first molded intermediate 11, to obtain a second molded intermediate 12; and a secondary blow step of placing the second molded intermediate 12 in a blow mold 1 and transferring an inner surface shape of the blow mold thereto by blow molding, to mold the secondary molded intermediate 12 into a predetermined container shape. According to this constitution, even though a body portion of each container has a deeply constricted shape, the inner surface shape of the blow mold can be successfully transferred thereto, and hence the synthetic resin containers molded into a predetermined container shape with excellent molding properties can be efficiently mass-produced.

Abstract: An apparatus and method for simultaneously forming and filling a plastic container is provided. A mold cavity defines an internal surface and is adapted to accept a preform. A pressure source includes an inlet and a piston-like device. The piston-like device is moveable in a first direction wherein liquid is drawn into the pressure source through the inlet and in a second direction wherein the liquid is urged toward the preform. A blow nozzle may be adapted to receive the liquid from the pressure source and transfer the liquid at high pressure into the preform thereby urging the preform to expand toward the internal surface of the mold cavity and creating a resultant container. The liquid remains within the container as an end product.

Abstract: A stretch mold container of the present invention is obtained by draw-forming a resin composition containing a poly-L-lactic acid (A) and a poly-D-lactic acid (B) at a molar ratio A:B in a range of 95:5 to 60:40, and has an amount of heat shrinkage of 5.0% or less under heat treatment conditions of 65° C.×24 hours. Despite of being made from the polylactic acids, the stretch mold container exhibits excellent heat resistance.

Abstract: Methods of fabricating a polymeric stent with improved fracture toughness including radial expansion of a polymer tube along its entire length at the same time and fabricating a stent from the expanded tube are disclosed herein.

Abstract: A vehicle interior part comprises a blow molded portion that is molded in a hollow shape by a pair of resin sheets being blow molded and that includes joined portions of the pair of resin sheets, and vacuum molded portions that are molded by one of the pair of resin sheets being vacuum molded at outer sides of the blow molded portion.

Abstract: Process for manufacturing a plastic fuel tank (FT) equipped with an internal accessory, by molding a parison using a mold comprising two cavities and a core, said process comprising the following steps: the parison is introduced into the mold cavities; the core is introduced inside the parison, the core having first been fitted with the accessory; the mold is closed so that the cavities come into leaktight contact with the core; the parison is pressed against the cavities by blowing through the core and/or applying a vacuum behind the cavities; the accessory is fastened to the parison by snap riveting using a device attached to the core; the mold is opened to withdraw the core; and the final molding of the parison is carried out by blow molding and/or thermoforming.

Abstract: The method comprises the following steps: a) the container opening is sealed, b) at least one wall opening is created by drilling through or piercing the wall of the outer container using a drill, graver or needle, a pressurized medium being introduced into the gap between the outer container and the inner tube, once the wall of the outer container has been fully penetrated, c) the advance of the drill or needle is halted as soon as a predetermined first pressure threshold has been reached in the inner tube, d) the introduction of the pressurized medium into the gap between the outer container and the inner tube is halted as soon as a predetermined second pressure threshold has been reached in the inner tube, e) once the pressure in the gap between the outer container and the inner tube has been relieved, a pressurized medium is introduced into the inner tube through the container opening, in order to place the inner tube against the container wall again after it has been detached from the latter.

Abstract: A process and a device for the manufacture of a hollow body, particularly of a heat-resistant hollow body, which is molded out of a heated preform of thermoplastic plastic in a contoured blow mold through the introduction of a first medium into the preform, which medium is stored in a first medium storage unit and is under a pressure (p1) (preblowing phase), and the more or less simultaneous stretching of the hollow body through a stretching rod and the introduction of a second medium in the hollow body, which medium is stored in a second medium storage unit and the pressure of which (p2) is higher than the pressure of the first medium (p1) (final blowing phase), and which is cooled by a third medium, which is medium stored in a third medium storage unit (rinsing phase), whereby the preblowing medium is under a pressure of approximately 2-20 bar, the final blowing medium is under a pressure of approximately 15-45 bar, and the cooling medium is under a pressure of approximately 30-45 bar.

Abstract: An apparatus and method for simultaneously forming and filling a plastic container is provided. A mold cavity defines an internal surface and is adapted to accept a preform. A pressure source includes an inlet and a piston-like device. The piston-like device is moveable in a first direction wherein liquid is drawn into the pressure source through the inlet and in a second direction wherein the liquid is urged toward the preform. A blow nozzle may be adapted to receive the liquid from the pressure source and transfer the liquid at high pressure into the preform thereby urging the preform to expand toward the internal surface of the mold cavity and create a resultant container. The liquid remains within the container as an end product.

Abstract: A method for blow molding containers in blow molds of a device operated with the recovery of air from the blow molds, where operation is accomplished consecutively in a preblow stage with a low pressure and at least two further blow stages with respective higher pressures, and where subsequently, in a recovery phase with several pressure stages, air is fed from the respective blow mold, air from the blow mold is first fed into the volumes allocated to the preblow stage, with priority over a feeding at least into the volume allocated to the pressure stage following the preblow stage. Further, a blow control and a control means for the pressure in the volume, where the blow control has a program section for primarily feeding air first into the volume, and possibly for limiting the pressure in the volume to a multiple of the pressure.

Abstract: A process and a device for the manufacture of a hollow body, particularly of a heat-resistant hollow body, which is molded out of a heated preform of thermoplastic plastic in a contoured blow mold through the introduction of a first medium into the preform, which medium is stored in a first medium storage unit and is under a pressure (p1) (preblowing phase), and the more or less simultaneous stretching of the hollow body through a stretching rod and the introduction of a second medium in the hollow body, which medium is stored in a second medium storage unit and the pressure of which (p2) is higher than the pressure of the first medium (p1) (final blowing phase), and which is cooled by a third medium, which is medium stored in a third medium storage unit (rinsing phase), whereby the preblowing medium is under a pressure of approximately 2-20 bar, the final blowing medium is under a pressure of approximately 15-45 bar, and the cooling medium is under a pressure of approximately 30-45 bar.

Abstract: The method and the apparatus serve for blow-molding containers. After thermal conditioning, a parison is formed into the container within a blowing mold of a blow-molding machine (41) by the action of blow-molding pressure. The required blow-molding gas is provided by a compressor (42). A compressor controller (44) is connected to a controller of the blow-molding machine in such a way that the controller of the blow-molding machine generates a setpoint value (49) for the initial pressure which is provided by the compressor.

Abstract: A device for molding a container from a thermoplastic material in which a heated parison is pre-blown by supplying low-pressure blowing air from a low-pressure air supply and then the blow molding is completed by subsequent supply of high-pressure blowing air and in which the high-pressure blowing air flowing out of the container that has been completely blow molded is supplied to the low-pressure air supply via a reversing mechanism during a transitional phase. A pressure monitoring is performed in the area of the low-pressure air supply and in which, after the transitional phase, the container is vented with respect to an ambient pressure whereby the pressure in the low-pressure air supply is controlled by varying the duration of the transitional phase.

Abstract: A blow molding method for manufacturing a container equipped with a receptacle divided by a partition wall, wherein the partition wall is formed in a preform, which is in general fabricated by injection molding, the preform is arranged in a blow molding die, and blow molding is performed to the preform in a molding process which is conducted two times, so that a container product has constant partition walls overall. The blow molding method includes forming a preform having a receptacle divided by the partition wall, arranging the preform in a blowing mold and initially blow molding the same via a first blowing so as to impart a certain shape, and secondarily blow molding the resultant via a second blowing so as to impart a shape corresponding to that of the blowing mold.

Abstract: A method for recycling energy and related blow moulding machine—for blow moulding plastic material containers including a recycling system for recycling the pneumatic energy of the discharge air coming from the blowing cavities of said machine, capable of recycling the discharge air making it available at a given pressure for a subsequent blowing in a cavity.

Abstract: A catheter balloon molding system designed to facilitate multi-expansion step balloon forming processes using a segmented mold form. A multi-mating segment of the mold form, defining one end portion of the balloon, is retained throughout the multiple steps and the parison is kept in place in the multi-mating segment between expansion steps while the mold form is reconfigured for the next expansion step.

Abstract: An balloon catheter is provided with an improved neck portion. The neck portion of the balloon is used to attach the end of the balloon to a catheter. Before attaching the balloon to the catheter, the neck portion is lengthened and thinned out to make the neck portion more flexible. Heat shrink tubing may be used to apply pressure to the neck portion to force the material of the neck portion to flow along a mandrel inserted into the neck portion.

Abstract: A method and an apparatus for the economical production of containers from thermoplastic material with a blow moulding machine (3) are disclosed. For shaping the containers at least one first pressure channel (21) is provided, supplying a first pressure. Likewise at least one second pressure channel (22) is provided, supplying a second pressure, wherein the first pressure is lower than the second pressure. The air in the first pressure compartment (21) is used for the pre-blowing or for other blowing steps of the containers. The air in the second pressure compartment (22) is used for the final blowing of the containers. The final blown containers are vented into the first pressure compartment (21). A control unit is provided which maintains an essentially constant pressure in the first pressure compartment during the pre-blowing and the venting into the first pressure compartment. A pressure level of the external pressure reservoir (20) can be adjusted accordingly.

Abstract: Methods and apparatuses for blow molding a fuel tank with multiple concentric needles to form an opening in the fuel tank, and/or for calibrating the opening in the fuel tank as it cools.

Abstract: A plastic film preform is expanded to form a container. The preform has a longitudinal axis that extends from an open top to a closed bottom. The preform is pressurized with a first pressure sufficient to cause side walls of the preform to expand outwardly and the bottom of the preform to be drawn inwardly thereby reducing a length of the preform along the longitudinal axis. Side molds are closed around the side walls of the preform, the closed side molds being larger than the expanded side walls. A bottom mold is closed to be adjacent to the bottom of the preform after pressurizing the preform with the first pressure. The preform is pressurized with a second pressure sufficient to expand the preform to fill the closed molds. The preform is thereby significantly stretched in a direction perpendicular to the longitudinal axis and minimally stretched along the longitudinal axis.

Abstract: A method of manufacturing a product, including extruding a parison, and separating the parison into parison halves by cutting a partially expanded parison or by pulling apart a longitudinally weakened parison, and forming the parison halves against corresponding mold halves. The method may also include applying a film against the parison halves and/or the mold halves, and forming the film and parison halves against the mold halves to produce multi-layer product halves. Apparatuses for performing the method are also disclosed.

Abstract: A parts combining structure is provided with first part having thermoplastic projection, and a second part having through portion to insert the projection. By thermally crushing the distal end of the projection projecting from the through portion, the first part and second part are combined. The through portion of the second part include inlet opened in the outer peripheral edge of the second part. The inlet has an opening width to permit insertion of the projection.

Abstract: A method of making a plastic container having a body and a finish with at least one external thread includes injection or compression molding a plastic preform having a body and a finish with at least one external thread, blow molding the body of the preform to form the body of the container, and either prior to, subsequent to or both prior and subsequent to blow molding the container body, expanding the injection or compression molded preform finish to form a container finish having at least one injection or compression molded external thread. In the preferred embodiments of the invention, the finish is expanded after the container body is blow-molded. The invention can be implemented to expand a narrow-neck preform or container finish to a wide-mouth preform or container finish.

Abstract: A method of forming a balloon to be attached to a medical catheter involves drawing a cylindrical balloon base in its circumferential direction and/or its lengthwise direction, while the inside and/or outside of the balloon base is in contact with a fluid in a supercritical state for the balloon base to be modified.

Abstract: The method comprises the following steps; a) the container opening is seated, b) at least one wall opening is created by drilling through or piercing the wall of the outer container using a drill, graver or needle, a pressurised medium being introduced into the gap between the outer container and the inner tube, once the wall of the outer container has been fully penetrated, c) the advance of the drill or needle is halted as soon as a predetermined first pressure threshold has been reached in the inner tube, d) the introduction of the pressurised medium into the gap between the outer container and the inner tube is halted as soon as a predetermined second pressure threshold has been reached in the inner tube, e) once the pressure in the gap between the outer container and the inner tube has been relieved, a pressurised medium is introduced into the inner tube through the container opening, in order to place the inner tube against the container wall again after it has been detached from the latter.

Abstract: The present disclosure provides a container and a method of making a container. In one example, the container includes an upper portion having a finish defining a longitudinal axis and an opening into the container. A shoulder region is integrally formed with and extends from the upper portion. A sidewall portion extends from the shoulder region to a base portion. A tamper evident (TE) band is formed on the finish and defines an outermost surface of the plastic container above the shoulder region. A neck defining a cylindrical sidewall is integrally formed with and extends between the finish and the shoulder region. The neck defines a uniform cylindrical sidewall along its entire height between the finish and the shoulder region. The container further includes a debossed support flange defined on the upper portion. The debossed support flange defines a diameter less than a diameter defined by the TE band.

Abstract: A stretch mold container of the present invention is obtained by draw-forming a resin composition containing a poly-L-lactic acid (A) and a poly-D-lactic acid (B) at a molar ratio A:B in a range of 95:5 to 60:40, and has an amount of heat shrinkage of 5.0% or less under heat treatment conditions of 65° C.×24 hours. Despite of being made from the polylactic acids, the stretch mold container exhibits excellent heat resistance.

Abstract: The invention realizes easy manufacturing of a flat container molded by blow molding, in which the wall thickness of a container wall is made uniform, and which provides improved mechanical strength, heat resistance, etc. and has a good appearance. The flat container obtained by the blow molding of a polyester resin is characterized in that the container has a flatness ratio of not less than 1.3, and in that its body has a wall thickness ratio of a maximum wall thickness to a minimum wall thickness of not more than 1.6, a difference in elongation between a maximally stretched portion and a minimally stretched portion of not more than 150% in a tensile test at 95° C., a crystallinity of not less than 30%, and a difference in TMA non-load change between a maximally stretched portion and a minimally stretched portion of not more than 500 ?m at 75° C. and 100° C.

Abstract: A complex-shaped, three-dimensional fiber reinforced composite structure may be formed by using counteracting pressures applied to a structural lay-up of fiber plies. The fiber plies are arranged on a pressurizable member that may become an integral part of the final product, or may be removed before the product is finalized. The pressurizable member may take the form of a hollow molded thermoplastic component or even a metallic component having an opening such that the pressurizable member may be pressurized and thus expanded against the fiber plies. In addition, a number of the pressurizable members may be joined in fluid communication and arranged to form a large, complex-shaped lay-up surface for the fiber plies. The arrangement of the fiber plies onto the pressurizable members may produce integral I-Beam stiffeners, ribs, flanges, and other complex shaped structural components. The fluid medium employed for pressurization may be a gas or a liquid.

Abstract: A method for producing a bottle-shaped container that is highly thermally resistant and shows an excellent shaping/shape-keeping property in a short period of time is provided.

Abstract: The invention relates to a method and to a device which is used to blow-form containers (2). A preform (1) is stretched inside a blow form (4) by a horizontal bar (11) after thermal conditioning and is shaped in the container by means of blow pressure effects. At least one part of the pressurised gas is guided towards the base area of the container (2). One particular advantage of said invention is that the flow path ends in the vicinity of the base area. At least one part of the pressurised gas (2) is guided into the container by the horizontal bar (11).

Abstract: Containers for pressurized filling and pasteurization and methods of reducing creep in a pressurized pasteurizable container. The container is a blow-molded plastic container having a biaxially oriented wall of a structural polymer with a moisture content of no greater than a predetermined value at the start of a pressurized filling, capping, and pasteurization process. Also disclosed are pasteurizable containers having a desired shelf life.

Abstract: Method for manufacturing a plastic fuel tank by moulding a parison in which, during the moulding operation, a pipe (3) is attached to the parison at least two points, the said pipe being deformable.

Abstract: Energy-efficient apparatus for blow moulding articles from thermoplastic material includes a mould 2 defining a mould cavity 3 for receiving a heated thermoplastic parison 4. An air duct 9 connects the mould to a low pressure accumulator 10 containing air at a first moulding pressure for use in a first blowing stage, at least one intermediate accumulator 20, 30, containing air at intermediate pressures for use in intermediate blowing stages, and a high pressure accumulator 40 containing air at a final moulding pressure for use in a final blowing stage. The capacity of each of the accumulators is about ten times greater than the volume of the mould cavity. Valves 11-41 selectively control communication between each of the accumulators and the mould cavity 3 to admit air from each of the accumulators to the mould cavity in sequence during a blowing phase, and thereby expand the parison in a stepwise manner.

Abstract: A plastic container has an open end and an imperforate container wall with a base, an outwardly open pocket in the container wall, and an RFID tag in a plastic housing disposed in the pocket. The housing containing the RFID tag preferably is captured in the pocket by blow molding the container wall around the housing. The pocket and housing preferably are disposed in the base of the container opposite the open end of the container, most preferably centrally of the base, and the housing preferably is visible in the container base through an external opening into the pocket.

Abstract: The method involves making a hollow blow molded thermoplastic article having an integral handle. An unblown preform of polyethylene terephthalate (PET) is inserted into a blow mold and thereafter stretched by a stretch rod. Blow gas is then injected into the interior of the preform when the blow mold is closed and the preform is at a stretch temperature. After the preform is blown into the shape of the bottle in the mold, blow gas is discharged from the stretch rod onto an interior wall surface where the handle is to be formed. Heated movable mold segments are then advanced within the blow mold from a first retracted position to a second position thereby compressing an interior wall surface of the article into contact with a facing interior wall surface of the bottle to bond the surfaces at an elevated temperature and form an integral handle extending from the exterior wall of the blow molded article.

Abstract: A method of making a plastic container having a body and a finish with at least one external thread includes injection or compression molding a plastic preform having a body and a finish with at least one external thread, blow molding the body of the preform to form the body of the container, and either prior to, subsequent to or both prior and subsequent to blow molding the container body, expanding the injection or compression molded preform finish to form a container finish having at least one injection or compression molded external thread. In the preferred embodiments of the invention, the finish is expanded after the container body is blow-molded. The invention can be implemented to expand a narrow-neck preform or container finish to a wide-mouth preform or container finish.

Abstract: A method of making a catheter balloon, and a balloon formed thereby, in which a polymeric tube is radially expanded in a mold having a wall with an outer surface and an inner surface defining a chamber, and having at least a section with one or more channels in the wall. The channels result in improved transfer of heat to the polymeric tube within the chamber of the mold during blow molding of the tube to form a balloon, so that the tube is heated more quickly and evenly. One aspect of the invention is directed to a balloon having sections with improved thin walls.

Abstract: The invention relates to a method for producing tubular containers with an open filling opening and with an end that is provided with a seal. The inventive method comprises the following steps: separately producing a preform with a neck with definitive dimensions and a tubular body with smaller dimensions than the definitive form, the tubular body containing the open filling opening; fixing the preform that is produced to a drawing head by its neck and subjecting it to at least one partial heating process; introducing the heated preform that is attached to the drawing head into the inside of a multi-part closed blow mold in such a way that the open filling opening is air-tightly held at the lower end of the blow mold; fitting a blow nozzle to the filling opening of the preform.