Abstract: A toilet assembly comprising: a toilet bowl; a toilet seat; and a hinge pivotally connecting the toilet seat to the toilet bowl, the hinge including a base portion connected to the toilet bowl, the base portion being made of a relatively rigid material; a leaf portion connected to the toilet seat, the leaf portion being made of a relatively rigid material; and a living hinge portion pivotally connecting the base portion to the leaf portion, the living hinge portion being made of a relatively flexible material.

Abstract: A vehicle roof having a folding arrangement and a device for receiving the folding arrangement. The folding arrangement has a plurality of slats which are arranged parallel to one another, wherein adjacent slats are coupled along respective longitudinal sides by an elastomer. The folding arrangement is moveable between a closed position, in which the slats block an opening in the roof and an open position, in which the slats are retracted and folded together into the device.

Abstract: A below grade trench drain system and a method for making the trench drain system is disclosed which does not rely on the contractor's prowess to dig a trench with a proper slope. The trench drain system, in accordance with the present invention, includes a plurality of modular trench sections formed with a uniform exterior height and an interior fluid channel formed with a pre-sloped floor. As such, the trench drain system, in accordance with the present invention, can be installed in a level trench, which greatly simplifies installation by the contractor and ensures that the trench drain will be installed with the proper slope. The modular trench sections can be coupled together forming a trench drain with a continuous slope or alternatively coupled with modular trench sections with no slope to form a stepped slope.

Abstract: An electrical component is provided that provides at least a two shot injection molding structure. One of the at least two shots of plastic comprises a laser direct structuring material. Another of the at least two shots of plastic comprises a non-platable plastic. The laser direct structuring material is selectively activated such that a conductive trace can be plated on the laser direct structuring material.

Abstract: A cosmetic carrying cup is provided with a base member for supporting at least a first cosmetic product provided therein. An intermediate member for selective communication with the base member is provided. The intermediate member has at least one aperture to receive a removable cosmetic accessory. An upper member selective communicates with the intermediate member. The upper member supports at least a second cosmetic product provided therein. A method of manufacturing a cosmetic carrying cup is provided.

Abstract: A lower manifold for a V-style internal combustion engine comprising at least three shells: a top shell for mating with an upper manifold; a left shell for mating with a left engine head; and a right shell for mating with a right engine head. The three shells are formed independently by injection molding and are joined as by vibration welding when aligned in a welding jig. The molds for the left and right shells are formed such that the seal ring groove has a rectangular cross-section having sidewalls perpendicular to the lower shell surface because each left and right shell has its own draft angle preferably perpendicular to its lower shell surface. The method and apparatus of the invention permits runner cross-sections to be significantly rounded, which improves air flow characteristics of the runners.

Abstract: Described herein is injection-compression moulding of articles made of plastic material with two components by means of a press of the stack-mould type, in which the first and second countermoulds are constrained to the corresponding moulds carried by the rotating central element of the press so as to enable the respective cavities to set themselves in a position of partial opening for the injection of the plastic material within them. To both of the cavities there is then applied a closing force to bring about compression of the plastic material injected therein.

Abstract: Disclosed, amongst other things, is: an injection molding runner system, an injection molding method for operation of a runner system, and an injection molding machine amongst other things. The runner system includes a melt distribution network and a means for pre-pressurizing of the molding material within the melt distribution network.

Abstract: Disclosed, amongst other things, is: an injection molding runner system, an injection molding method for operation of a runner system, and an injection molding machine amongst other things. The runner system includes a geometrically unbalanced melt distribution network and a means for pre-pressurizing of the molding material within the melt distribution network.

Abstract: A method of loading a moldset having a core plate and a cavity plate into an injection molding machine. The method comprises the steps of latching a cavity plate to a core plate using a removable latch, guiding the core plate into an open mold along a face in the mold while maintaining separation between the face and the core plate and maintaining the cavity plate spaced from hot runner nozzles in a hot runner in the mold, closing the mold to engage the cavity plate with the hot runner nozzles, securing the cavity plate to the hot runner, removing the latch between the cavity plate and the core plate, and opening the mold. The face may be a face of a movable platen or a back surface of a hot runner.

Abstract: A long-term storage container (1) for storage of radioactive material to inhibit radioactive radiation therefrom to the outside of the container, the top of said container to be closed by a screw-on radioactive radiation inhibiting lid (7), said container having an integral inner container part (2; 34; 62; 62?) of a first material, e.g. plastic material, an integral outer container part (3; 43; 69) of a second material, e.g. plastic material, and radioactive radiation inhibiting material (4; 38; 68) in an inter-space between the walls and bottoms of said inner and outer container parts. To fill the inter-space an inter-space container part (4; 38; 68) is integrally moulded through injection or pressure moulding and then fitted onto the inner container part (2; 34; 62; 62?) to subsequently mould the outer container part (3; 43; 69) onto the outside of the inter-space container part (4; 38; 68). A specially made container lid (7) is provided.

Abstract: An apparatus for molding a proppant is disclosed. The apparatus comprises a first member comprising a manifold for channeling a plastic fluid to a cavity block, with the cavity block containing a plurality of semi-spherical cavities. The apparatus further includes a second member that comprises a movable plate for engaging with the first member, with the movable plate having an opening therein, and a core block positioned within the opening, with the core block containing a plurality of reciprocal semi-spherical cavities configured to engage the semi-spherical cavities of the cavity block so that a plurality of spheres are formed, with the core block further containing a plurality of arm cavities that link the plurality of spheres so that a star cluster (which links the proppants) is formed. A method of manufacturing proppants and a method of using the proppants is also disclosed.

Abstract: Method and apparatus for cooling molded plastic pieces preferably includes a take out structure/step configured to hold the plurality of plastic parts oriented such that closed ends thereof are disposed toward an inside of the take out structure and open ends thereof are disposed toward an outside of the take out structure. A movement structure/step is configured to cause relative movement between the take out structure and at least one of a first cooling station and a second cooling station. The first cooling station includes a first cooling structure/step configured to provide a cooling fluid to an inside of the plurality of plastic parts through the open ends thereof. The second cooling station includes a second cooling structure/step configured to provide a cooling fluid to an inside of the plurality of plastic parts through the open ends thereof.

Abstract: A medicament source has a container and a crimped closure. The closure sealingly holds to the container a metered-dose release valve, of which the spout only is visible externally. The container has a neck and a protruding rim at which the crimp locates. The container is of moulded polymer and has an outer, perforate sleeve of aluminium, providing mechanical strength for pressure retention. The neck has a relatively thicker wall thickness and the end is domed inwards, both for pressure retention. The polymer is of three layers or laminations. The innermost layer is of polytetrafluoroethylene (PTFE) material to provide an inert layer with which the medicament and its propellant will not react or combine in any way. The middle polymer layer is of nylon material to provide a propellant tight layer, to contain the propellant, whose molecules may be able to pass through the PTFE layer. The outer polymer layer is of polypropylene (PP) to provide both water tightness and mechanical integrity of the container.

Abstract: Methods and assemblies related to a rotary automatic transfer rail for injection molding are disclosed. In one aspect, the invention includes a mold assembly. The mold assembly may include first, second, and third mold plates. The mold plates may be positioned generally parallel to one another. The mold assembly may include an automatic transfer rail assembly. The automatic transfer rail assembly may include a rail. The automatic transfer rail assembly may include a carrier. The carrier may have first and second members. The carrier may be translatable along the rail between a first closed position and an open position. The carrier may be rotatable about the rail. In some embodiments, molded articles need not be transferred from mold components to a robot and then back to different mold components.

Abstract: The method employs a stationary mold having depositing recesses equipped in its inside with a deposition element such as a target electrode, and movable molds made slidable. A primary molding is performed to form a body portion and a cover member to have joint portions around their opening. The body portion left in the vertically sliding mold is deposited after it was densely covered with the depositing recesses. Next, the deposited body portion and the cover member, as left in the molds, are registered and mold clamped, and the molten metal is injected to integrated the joint portions.

Abstract: A rubber injection molding apparatus and method for simultaneously molding a plurality of work parts (40) in separate molds (30) using a single, vertically oriented press machine (22). A clamping mechanism (52) is responsive to the vertical, reciprocating motion of the press ram (26) for converting the generally vertical motion of the press ram (26) into a horizontal clamping force to squeeze and hold the molds while rubber is injected into their cavities (38). The molds (30) each have two mold halves (32, 34) joining one another along a parting line interface (36) with the mold cavity (38) in between. The mold halves (32, 34) are received in universal carriers (62), which in turn are suspended between and slideable along spaced-apart first (58) and second (60) rails. A large number of mold cavities (38) can be filled simultaneously using a vertically oriented press machine (22).

Abstract: A method of making a pump (10) including a polymeric pump housing (12) and a drive shaft (14) mounted for rotation in a bearing (16), the bearing (16) having on an exterior surface at least one engagement formation (44),—the method including the step of moulding the pump housing (12) around the bearing (16) such that the housing (12) co-operates with the engagement formation (44) to restrict movement of the bearing (16) with respect to the housing (12).

Abstract: A keyboard manufactured by injecting keys with an inmold metal sheet and the manufacturing thereof is to manufacture keys with surfaces thereof is disposed with a metal sheet and then combine bottoms of grooves of keys with an elastic material layer to form a keyboard. A metal layer is disposed at a surface of said keyboard. Whereby, the metal keyboard made by the method has better quality.

Abstract: A method for manufacturing plastic product includes the steps of: forming a work piece (30) in an injection molding apparatus, the work piece (30) including at least an original product (34), a butt end (36), and gate (32), the gate (32) connecting a corresponding original product (34) with the butt end (36); precutting the gate (32) in a mold before the work piece (30) has completely cooled; removing the work piece (30) from the injection molding apparatus; separating each original product (34).

Abstract: Disclosed is a system. The system includes a mold-moving assembly that is cooperative with an insert-forming station to form an insert at least in part. The mold-moving assembly is also cooperative with an overmolding station to overmold another insert previously formed by the insert-forming station in cooperation with the mold-moving assembly. The mold-moving assembly, when so actuated, moves inserts between the insert-forming station and the overmolding station. Operation of the insert-forming station and operation of the overmolding station overlap one another at least in part.

Abstract: Disclosed is: (i) a cap for servicing a molding-system valve, and (ii) a method of a cap for servicing a molding-system valve, amongst other things.

Abstract: Disclosed is an injection molding apparatus that includes an extruder configured to produce a continuous flow of molten plastic. The injection molding apparatus also includes a plurality of mold assemblies and a delivery system that provides an uninterrupted transfer of the continuous flow of molten plastic from the extruder to the plurality of mold assemblies. The present invention also includes an process for using the injection molding apparatus that includes forcing a continuous flow of molten plastic into a delivery system and sequentially routing the continuous flow of molten plastic from the delivery system into a plurality of mold assemblies without interruption.

Abstract: A method for manufacturing a board for gliding over snow comprises producing a decorative and protective exterior assembly with at least one additional piece. At least one opening is made in the exterior assembly. The additional piece or pieces are placed on an outer surface of the exterior assembly, each piece having at least one through-fixing zone, passing through the opening or openings. The through-fixing zone or zones penetrate an inner structure of the board and constitutes one or more securing means for the piece or pieces.

Abstract: The method and apparatus of the present invention includes a computer implemented injection molding configuring subsystem which enables a customer to interactively specify and design a system using a mix of parameters that the customer specifies and are manufacturing process determined. The configuring subsystem is connected to a computer network such as the Internet. The method and apparatus of the present invention further includes a computerized business and processing subsystem in communication with the configuring subsystem. The computerized business subsystem automatically provides a cost and schedule for a system configured by the configuring subsystem and additionally processes an order for the system. The processing subsystem automatically processes the customer's inputs and generates drawings for the configured system. Prior to receiving the customer's order, hot runner system components may be partially manufactured in a first phase and placed in inventory.

Abstract: A plastics processing machine, in particular injection molding machine or extruder, includes at least one component represented by a clamping unit, feed and metering apparatus, plasticizing unit, injection unit, or separate injection apparatus, and characterized by specific parameters for carrying out at least one working or process step. A control device is connected to the at least one component and configured to control the at least one component, with the component-specific parameters being useable in the control device for control of the component. Provided for the component is a separate memory device in which the component-specific parameters are stored and can be transmitted to the control device prior to or upon startup of operation of the component.

Abstract: A method and molding tool for the molding of both one- or multi-component parts preferably comprising plastic material which may be integrated together with parts of another material, such as steel and copper, where the turnable middle section during the molding process is supplied with material on at least one of the surfaces thereof, that in contrast to the normal procedures are not at a right angle to the closing direction between the stationary mold part and the movable mold part of the tool. This can be realized by molding a part or a piece of a part and/or by molding around a special part for the in-molding on at least one of these surfaces of the turnable middle section. This molding and/or insertion can take place while the tool is closed and can be performed on several surfaces at the same time in order to save cycle time.

Abstract: An apparatus and method for molding multi-material parts. The mold has a plurality of first mold cavities interspersed alternately among a plurality of second mold cavities. A first molten material is injected into the first mold cavities and solidified. Cores with the first material are moved only one mold pitch to the second mold cavities where a second molten material is injected and solidified with the first material to form the multi-material parts which are ejected from the mold when it is opened. In one embodiment, cavities and cores are arranged in a column, and dummy cores on each end of a column of cores close off the injection nozzle in an end cavity from which a core has been removed for a molding cycle. In another embodiment, cavities and cores are arranged radially, and cores are rotationally moved one mold pitch with each molding cycle.

Abstract: A method of molding reinforced polymer compositions using a molding machine with a tapered bore is provided. The method has particular application in molding polymer that is reinforced with particles having an aspect ratio that is greater than 1:1. The plunger machine used in the method includes a barrel housing with a smooth walled barrel with longitudinal fins projecting inwardly towards the center of the bore that defines a main melt chamber. A plunger housing, having a plunger bore, defines an initial melt chamber and is in communication with the main melt chamber. A plunger resides in the plunger bore and is reciprocatable therein. The barrel bore is continuously inwardly tapered and cooperates with the longitudinal fins to provide a shortened melt period and a smooth transition and alignment of reinforcing members within the polymer mixture during the melt process.

Abstract: Method and apparatus for controlling an injection molding machine having a first surface and a second surface includes a piezo-ceramic sensor configured to be disposed between the first surface and a second surface. The piezo-ceramic sensor is configured to sense a force between the first surface and the second surface, and to generate corresponding sense signals. Transmission structure is coupled to the piezo-ceramic sensor and is configured to carry the sense signals. Preferably, a piezo-ceramic actuator is also disposed between the first surface and a second surface, and is configured to provide an expansive force between the first surface and a second surface in accordance with the sense signals.

Abstract: The present invention relates to methods of marking objects produced through a molding process. The marking facilitates authentication of the objects. A cellular phone faceplate is steganographically marked in one implementation of the invention.

Abstract: A process for producing microstructured tool insert for injection molding a part, the part being fabricated of a synthetic material, a metal or a ceramic material and including an arrangement of microstructures which are formed on an outer surface of the part and have two different predetermined depths.

Abstract: The invention relates to a method for producing objects and object parts formed by an assembly comprising at least two plastic parts (10 and 5; 10? and 5?), which can move in relation to one another with at least one degree of freedom and which are provided with surfaces having at least partially complementary shapes such that, in at least one geometric configuration, they are solidly interconnected on a common surface (11; 11?) in close, clearance-free contact The inventive method comprises the following steps: 1) molding of a first part (10, 10?) by compression or injection; 2) removal of the second tool, the first part (10, 10?) remaining solidly connected to the first tool which serves as a piece of support equipment or is installed on a piece of support equipment (60); 3) compression molding of the second part using the whole (110) of the first part which is integral to the support equipment and a third tool; 4) removal of the first support tool (60) and the third tool (55) and extraction of the assembly

Abstract: A method and apparatus are disclosed for controlling temperature of a plant comprising plural temperature control zones, wherein an effective control parameter for a first zone for which a signal representing measured temperature is available is produced according to an algorithm relating measured temperature, a desired temperature and a control parameter associated with a device affecting temperature in the first temperature control zone, the effective control parameter is summed with an offset value representing a proportional offset of the effective control parameter of a second temperature control zone relative to the effective control parameter of the first temperature control zone and the result is applied to control a device affecting temperature in the second temperature control zone.

Abstract: A method of manufacturing a row of encapsulated interconnected vials with the mold. The method includes forming a plurality of cavity profiles linked together by arms, and inserting a plurality of core pins into the cavity profiles. The method includes injecting a plastic fluid about the core pins to form a row of interconnected vials. The method includes removing the row of interconnected vials and positioning the row into a holding tray. The method further includes placing the liquid into the row of interconnected vials with an injection device. An open end of the row of interconnected vials is heat-sealed. The step of heat-sealing may include applying heat, measuring the temperature, and measuring the time heat is applied.

Abstract: The present invention provides a method for use in forming an irregularly shaped part using in-mold labeling which includes receiving at least one of text and image information at a first computing unit. A mold is formed using a mold cutter controlled by a second computing unit based on the at least one of text information and image information. The mold has a cavity, an interior surface, and at least one aligning characteristic on the interior surface. A label is printed based on the at least one of text information and image information to provide the at least one decoration. The label is cut from a sheet of paper using a label cutter controlled by a third computing unit based on the at least one of text information and image information. The label is inserted into the cavity and aligned with the at least one aligning characteristic and moldable material is inserted into the mold to form the part and the label integral to each other.

Abstract: Process for the control of an injection-moulding machine and optionally at least one handling apparatus allocated to same in which, in a form guiding the operator, the operating parameters required for an injection cycle to run are entered via an input unit into a data processing unit storing these operating parameters and then one or more injection cycles are carried out according to the stored operating parameters, safety conditions for the protection of machine parts by means of which certain movement sequences of the injection-molding machine or the handling device are forbidden or allowed, being specified prior to the start of injection, there being provided on a screen an input mask on which one of several, preferably graphically displayed, basic movement modules is selected in each case and on which then, for every selected basic movement module, a safety condition in the form of logical, preferably Boolean operations is adjusted or adopted from the state of one or more different basic movement modules

Abstract: A blow-molded decorative article is disclosed which comprises a plurality of different polymers having different melt flow rates that cause inter-dispersion of the polymers upon blow-molding. The article is blow-molded from a multiple layer parison that a plurality of layers of like polymers, i.e., polyethylenes, polypropylenes, polystyrenes, etc., that have different melt flow rates and different colors. As a result in the differences in the melt flow rates, the polymers of the various layers mix upon blow-molding to create the look of a glazed ceramic pottery or an exterior pattern such as a tie-dyed marbleized or camouflaged pattern.

Abstract: A multi-cavity injection molding method and device, and a controller for sequentially injecting material into cavities in the injection molding device. The methods and devices are effective to reduce the clamping force needed to clamp multiple cavity molds.

Abstract: A system and method of mass-producing a bait station of wax matrix material for pesticide or insecticide delivery is disclosed. The apparatus and method includes a water-heated vat 110 which supplies liquid wax matrix material to molds which may be of various forms in accordance with the desired bait station to be manufactured. A fluid pump 120 pumps the wax matrix material from the vat through a tube 130 into molding tubes 140. At a molding tube station 140 the molds are filled and then carried by a conveyer belt 100 to a cooling tunnel 160. The wax-containing molds may be shaken by an in-line shaker in order to reduce air bubbles in the wax matrix. After the wax-containing molds are cooled by the cooling tunnel 160 the conveyer carries them to a labeling station 170, after which the finished bait stations are removed from their molds and packaged.

Abstract: A method is provided for producing a plurality of moldings in one mold wherein the mold has at least one introduction point for molding material and a plurality of cavities with a shape corresponding to that of the moldings. The cavities are arranged so that each cavity, except cavities in an end or peripheral position, is connected to at least two directly adjacent cavities. A fluid casting compound of a material having a solidified hardness of not more than about 200 N, defined as the force at which an 11 mm sphere of the material will shatter, is introduced into the mold, so that it essentially fills all of the cavities, and the casting compound is then solidified and removed from the mold.

Abstract: In the embodiments described in the specification, an impeller is manufactured by providing a mold for one angular segment containing one vane of an impeller and corresponding hub and rim portions, injection-molding fiber-reinforced polymer composite resin material into the mold to produce a plurality of substantially identical segments, and assembling the segments into an impeller by bonding corresponding mating end surfaces of the hub and rim portions of the segments. A veil cloth is applied to the outer surface of the rim portion and impregnated with resin material to complete the impeller structure.

Abstract: The present invention (FIGS. 1, 1, 2, 3, 4, 5, 6, 7, 8 9 10, 11, 12, 13, 14, 15, 16, 17, 18) provides an injection molding method and apparatus. A hot manifold is provided having a plurality of independently controlled valve gates. A controller is operably connected to each of the valve gates enabling independent opening and closing thereof. A mold has at least two cavities, a larger cavity and a relatively smaller cavity. The larger cavity has at least two inlets each communicating with the valve gates of the hot manifold. The smaller cavity has at least one inlet communicating with respective valve gate of the hot manifold. The larger cavity is filled with a first plasticized material by sequentially opening and closing the valve gates communicating with the large cavity. The larger cavity is packed out. Simultaneously with the packing out step, the smaller cavity is filled and packed out with a second plasticized material by opening and closing the at least one respective valve gate.

Abstract: A method of manufacturing a safety helmet, including forming, through a process of injection molding using a single mold, a basic safety helmet comprising a basic outer shell having a brim integrally formed with a dome. The brim of the basic safety helmet may have a uniform and constant width, or a variable width around a lower perimeter of the dome. The method also includes selectively removing portions of the basic safety helmet after the basic safety helmet is formed to produce a modified safety helmet.

Abstract: A molding and tentatively retaining mold 10 of the invention has a plurality of molds which are relatively movable with respect to a fixed mold, and molds a housing 31 and rear holders 32 and 33, which are respectively independent, in a plurality of cavities formed in cooperation with the fixed mold. When the rear holders 32 and 33 are relatively moved with respect to the housing 31 by a pair of rear-holder tentatively retaining cylinders 19 after molding, and are tentatively retained, the amount of movement of a pair of third movable molds 14 is set to be greater by a predetermined amount than an amount of movement necessary for tentatively retaining the rear holders 32 and 33, and the third movable molds 14 after movement are stopped at the moved positions until a predetermined time elapses.

Abstract: In a method for sealing an access channel provided for permitting a tool to access a setscrew for securing an electronic lead connector pin to a connector block in the header of a pacemaker or the like, a sealing device having a flexible body with at least one open through hole is formed in a one-step operation. The sealing device has a cross dimension that at least in one direction is larger than a corresponding cross dimension of the access channel. The sealing device is mounted in the header by compressing and positioning the sealing device in the access channel. The difference in cross dimension between the access channel and the sealing device is such that a maintained deformation of the sealing device occurs, which produces a sealing closure of the through hole(s) when the sealing device is mounted in the access channel.

Abstract: A device for molding a container is disclosed. The device will include a first member including an opening defined therein. A manifold member, operatively attached to the first member for channeling a plastic fluid to an insert means, is included. The insert means are positioned within the opening located within the first member, with the insert containing a first slide and a second slide. The first slide and second slide will have an extended position and a contracted position, and wherein the contracted position defines a cavity profile. The second member will have a first end that contains a plurality of core pins. A piston is adapted to the second end of the second member for reciprocating the second member into engagement with the insert so that the first slide and second slide are moved to the contracted position. During the reciprocating motion, the plurality of core pins are received in the cavity profile. The apparatus will further comprise heater means for suppling a heat to the fluidized plastic.

Abstract: A method of producing a plastic product having a microstructured surface (3a), utilizing an arrangement for moulding plastic products. Said arrangement has at least two mould parts (2, 3) movable towards and away from each other, a predetermined volume of a viscous polymerizable plastic material (9) being supplied to a cavity formed between the mould parts, after which polymerization of the plastic material occurs. After said polymerization of the plastic material (9′), the mould parts are caused to move apart from each other thereby allowing removal of a finished plastic product the outer shape of which conforms to the shape of the cavity produced by the mould parts. Said viscous polymerizable plastic material (9) is supplied to the cavity (6) around a hole (10a) pertaining to the finished plastic product, and said viscous plastic material is distributed in a direction from said hole (10a) towards the peripheral edge area of the plastic product.

Abstract: An apparatus and method for molding multi-material parts. The mold has a plurality of first mold cavities interspersed alternately among a plurality of second mold cavities. A first molten material is injected into the first mold cavities and solidified. Cores with the first material are moved only one mold pitch to the second mold cavities where a second molten material is injected and solidified with the first material to form the multi-material parts which are ejected from the mold when it is opened. In one embodiment, cavities and cores are arranged in a column, and dummy cores on each end of a column of cores close off the injection nozzle in an end cavity from which a core has been removed for a molding cycle. In another embodiment, cavities and cores are arranged radially, and cores are rotationally moved one mold pitch with each molding cycle.

Abstract: A method for treating workpieces (307, 801, 802, 803) to be injection moulded in a production process comprises a step for forming a workpiece (307, 801, 802, 803) by injection moulding so that during the injection moulding, the workpiece is fastened to a given elongated transport arrangement (301, 302, 304, 305, 306). The workpiece (307, 801, 802, 803) is moved forwards in the production process by means of the elongated transport arrangement (301, 302). Subsequently the fastening (311) of the workpiece (307, 801, 802, 803) is partly detached from the elongated transport arrangement (305, 306) and the workpiece (307, 801, 802, 803) is fastened, supported by the fastening remaining between itself and the transport arrangement, into a position where it is substantially outside a plane (800) defined by the transport arrangement.