Abstract: Shaving assemblies are disclosed that include a blade unit, an interface element configured to connect the blade unit to a handle, on which the blade unit is pivotably mounted, and an return element disposed between the blade unit and interface element. The return element serves as interface piece, connector and pivot all in one. Shaving systems including such shaving assemblies are also disclosed, as are methods of using such shaving systems.

Abstract: A method of cutting a tie wrap, bound about at least one wire, using a cutting tool is provided. The method comprising steps of: applying a housing of the cutting tool to the tie wrap, positioning a portion of the tie wrap within a first groove of the housing between first two opposing sidewalls and second two opposite sidewalls of the housing, moving the at least one wire and maintaining the at least one wire a distance away from the tie wrap, moving a circular blade of the cutting tool against the portion of the tie wrap, positioned within the first groove, and at least partially cutting the tie wrap with the circular blade. In some examples, the method further comprises controlling a depth of the circular blade within the tie wrap while the circular blade at least partially cuts the tie wrap.

Abstract: A method of manufacturing a hole in a component consisting of a composite material, such as a fiber or fabric reinforced plastic part, wherein the component, having first and second oppositely disposed sides, is placed with its first side on a support having an iris diaphragm. A tip which diverges in the axial direction is pressed from the second side of the component through the component, which optionally has a pre-piercing, for formation of the hole or for enlargement of the pre-piercing. The iris diaphragm has a smaller starting opening which receives a narrower region of the tip and opens into a larger opening with increasing penetration of the component by the tip, whereby the component is supported during hole formation over an as large as possible area from the first side. A piercing aid in the form of an iris diaphragm or a corresponding die button is likewise claimed.

Abstract: A high efficiency saw chain for a saw including a cutting link and a drive link, the cutting link and a drive link selected to provide a high efficiency saw chain for a specified power range.

Abstract: An attachment for a router having a bit is provided. The attachment includes a frame, a first mounting aperture and a second mounting aperture. The frame member has a top side and a bottom side. The frame member has an opening therethrough configured to receive the bit therethrough when the router is attached to the top side of the frame member. The second mounting aperture is in the form of a mounting slot being adjustably positioned relative to the first mounting aperture to change an orientation of the second mounting aperture relative to the frame member and the first mounting aperture.

Abstract: A nailing machine for assembling wood pallets includes a nailing station and an advancement and guiding component which form a substantially horizontal resting surface at the nailing station configured for the assembly of at least two superimposed wood pieces to be assembled by nailing to provide a pallet. The nailing station includes at least one nailing head, each of which is associated with at least one nailing stem, which can move along a substantially vertical direction with respect to the resting surface between an inactive position, in which the lower end of the nailing stem is spaced from the upper surface of the superimposed wood pieces, and an active position, in which the lower end of the nailing stem is moved closer to, or made to penetrate, the upper surface of the superimposed wood pieces.

Abstract: The present invention provides a method for producing a ceramic green body molded article, comprising: a raw material blending step of kneading 100 parts by mass of a ceramic raw material with 0.1 to 20 parts by mass of a cellulose complex comprising cellulose and a water-soluble polymer to obtain a kneaded product; and a step of molding the kneaded product.

Abstract: A composite ceramic element and method of firing clay or ceramic elements in a roller kiln, comprising the steps of passing a first ceramic element on rollers through the roller kiln, passing a second ceramic element on rollers through the roller kiln, and mating and securing the first and second ceramic elements together after passing each said ceramic element through the roller kiln.

Abstract: A system and method for applying tension to a reinforcement member is provided. The system includes a gripping device, a tension device, and a tension application sub-system. The gripping device includes first and second attachments. Each attachment retains a respective end of the reinforcement member with sufficient friction force based on a predetermined tension to be applied to the reinforcement member. The tension device includes first and second tension tubes configured to removably receive and hold the first and second attachments, respectively. The tension application sub-system has first and second tension application apparatuses and first and second coupling devices. The first and second coupling devices couple the first and second tension tubes to the first and second tension application apparatuses, respectively. At least one of the first and second tension application apparatuses creates and controllably adjusts a tension load within the reinforcement member.

Abstract: A system and a method for sawing control joints in concrete barriers is provided. The system includes a barrier mounting frame slidably mountable about the barrier, on the top, first and second lateral faces of the barrier. The system also includes a saw attachment having a circular saw attached thereto, the circular saw being manually operable. A linkage assembly connects the frame mounting barrier to the saw attachment, and allows to manually move the circular saw up or down, and towards or away from the barrier, when in use, to create the control joint transversally along the top, first and second lateral faces of the barrier.

Abstract: A diamond wire saw includes a steel wire, a molded sleeve, and a plurality of diamond bead bearing units. The molded sleeve surrounds and is bonded to the steel wire. The diamond bead bearing units are disposed around and bonded to the molded sleeve. Each of the diamond bead bearing units includes a tubular body and a functional layer that covers the tubular body and that contains a plurality of abrasive diamond particles. The molded sleeve is made of polyether-type thermoplastic polyurethane, and has a Shore hardness of greater than or equal to 70 D.

Abstract: A drilling tool, in particular a rock drilling tool, for a portable machine tool, includes an axis of rotation, at least one spiral path, and at least one wear surface transition. The at least one spiral path is coiled about the axis of rotation along the axis of rotation and includes at least one wear surface having at least one bandwidth. There is a change in the at least one bandwidth of the at least one wear surface at a position of the at least one wear surface transition.

Abstract: A process and associated system for creating color effects using extrudable material, such as plastic and metal for example, are presented. Flows of first and second viscous materials of respective colors are provided and then combined in a predetermined pattern to form a stream of combined viscous material. In a first aspect, the flow rate of the first viscous material is caused to vary over time in order to vary an amount of the first viscous material in the stream. In a second aspect, which may be used alone or in combination with the first aspect, the first and second viscous materials have distinct viscosities to reduce an amount of color blending between the first color and the second color in the stream of combined viscous material.

Abstract: The present invention relates to a process for the manufacturing of composite materials from natural fibers and thermoplastic polymers. Examples of fibers are wood fibers originating from pulping processes known as refiner pulp (RMP), thermomechanical pulp (TMP) or chemi-thermomechanical pulp (CTMP), but the process can also be applied to other kinds of natural fiber containing raw materials. In the process according to the present invention, fibers are introduced from the blowline or the housing of a refiner into a flash tube dryer, separated from humid air in a cyclone, introduced into a compounder and mixed with at least one thermoplastic polymer and the product is subsequently pelletized. The process according to the present invention is advantageously run as a continuous process.

Abstract: A system to re-configure an input material into an output material includes an input material feeder reconfigurable to accept and feed an input material, an output material spooler, the input material feeder re-configurable relative to the material cutter to cut the input material at a re-configurable cut angle to produce a first intermediate cut section of material, a positioning and alignment system to position and align a leading edge of the first intermediate cut section of material with a trailing edge of a second intermediate cut section of material, a welder having a configurable position to weld the first intermediate cut section of material to the second intermediate cut section of material, and a control system comprising logic to set at least intensity of the welder, a contact pressure of the welder, temperature of the weld-table surface, and a tension applied by the output material spooler.

Abstract: A method of manufacturing bulked continuous carpet filament which, in various embodiments, comprises: (A) grinding recycled PET bottles into a group of flakes; (B) washing the flakes; (C) identifying and removing impurities, including impure flakes, from the group of flakes; (D) passing the group of flakes through an MRS extruder while maintaining the pressure within the MRS portion of the MRS extruder below about 5 millibars; (E) passing the resulting polymer melt through at least one filter having a micron rating of less than about 50 microns; and (F) forming the recycled polymer into bulked continuous carpet filament that consists essentially of recycled PET.

Abstract: A container treatment system (1, 13) that has at least two working areas (AP). Each of the working areas (AP) respectively comprises at least one exchangeable working tool (2) and/or one adaptable format part. Furthermore, the container treatment system (1, 13) comprises at least one automatic exchange machine (10) which is movable, in particular drivable, to the at least two working areas (AP), which automatic exchange machine (10) can be connected selectively to any of the respective working areas (AP), in particular using centering means (22, 32), and which automatic exchange machine (10) comprises tools for exchanging the working tools (2) and/or for adapting the format parts of the respective working area (AP). The invention further relates to an automatic exchange machine (10) for exchanging working tools (2) and/or for adapting the format parts of at least two different working areas (AP) of a container treatment system (1, 13).

Abstract: A manufacturing method of a mold, the mold having at its surface a plurality of recessed portions whose two-dimensional size is not less than 10 nm and less than 500 nm when viewed in a direction normal to the surface, the method including: (a) providing a mold base, (b) partially anodizing an aluminum alloy layer, thereby forming a porous alumina layer which has a plurality of minute recessed portions; and (c) after step (b), bringing the porous alumina layer into contact with a first etching solution, thereby enlarging the plurality of minute recessed portions of the porous alumina layer. Step (a) of providing the mold base includes (a1) providing a metal base, (a2) forming an aluminum alloy layer on the metal base, and (a3) forming a surface protection layer on the aluminum alloy layer. Step (a2) and step (a3) are performed in a same chamber.

Abstract: Calendering installation for the production of a reinforcing ply (600) for a tire, which has a frame (100), two extruders (200, 300) for feeding elastomer material, a reinforcing-thread feeding device (400), a calender (500) having a first pair of counter-rotating rollers, with a first working roller (52) and a first shaping roller (51), and a second pair of counter-rotating rollers, with a second working roller (53) and a second shaping roller (54), wherein a calendering nip (59) is formed between the working rolls (52, 53) in order to receive a first calendered rubber ply (57) delivered by the first pair of rollers (51, 52), a second calendered rubber ply (58) delivered by the second pair of rollers (53, 54), and the reinforcing threads (45) in order to supply the calendered reinforcing ply (600), which is conveyed to the outlet of the installation via guide rollers (62, 63).

Abstract: A machine produces foam-in-bag from foam precursors mixed within the bag. The machine comprises a base and a shell. The base and shell are moveable relative each other between a base/shell disengaged position and a base/shell engaged position. In the base/shell engaged position, the base and shell divide the bag so that a mixing chamber is isolated from the remainder portion of the bag. First and second nozzles inject foam precursors into the mixing chamber. A mixer engages the mixing chamber to provide mixing energy to facilitate the foam reaction.

Abstract: A composite molded article (3) containing: a thermoplastic resin continuous fiber composite material (1) containing a continuous reinforcement fiber (A) and a thermoplastic resin (B); and a thermoplastic resin composition (2), wherein the thermoplastic resin continuous fiber composite material (1) is bonded to the thermoplastic resin composition (2) via a bonding surface, and a bonded part between the thermoplastic resin continuous fiber composite material (1) and the thermoplastic resin composition (2) has a tensile strength which is 0.35 times or more as strong as a tensile strength of the thermoplastic resin composition (2).

Abstract: A method for manufacturing a component for a home appliance includes making the home appliance component from plastic in an injection molding process. During at least some phases of the injection molding process a combination of the thin-wall injection molding technique and the cascade molding technique is used. The invention also relates to a home appliance component manufactured according to the method.

Abstract: Improvements relating to the Manufacture of Medical Devices The present invention relates to medical devices and methods of manufacturing medical devices. The application describes method of manufacturing a medical device where at least one insert (20,22) is provided with a first sheath including an inner sheath body (24) and one or more sheath projections (26), such that the insert (20,22) and the first sheath can be supported by the one or more sheath projections (24) within a mould chamber, and a second sheath (28) is injection moulded about the inner sheath body (24) and the at least one insert (20,22), between the one or more sheath projections (26).

Abstract: The present invention provides a CFT pre-forming insert injection molded seat back frame. The CFT pre-forming insert injection molded seat back frame comprises: a pair of frame parts which are coupled to face each other and have fiber reinforced plastic formed therein; and reinforcement parts which are formed on regions that the pair of frames respectively face, and are coupled to each other in multiple locations.

Abstract: An apparatus for aligning an outlet of an injection unit with an inlet of a mold mounted between platens of a molding machine includes a positioning assembly interconnecting the injection unit to the molding machine. The positioning assembly includes a first translation assembly configured to engender a first movement of the injection unit outlet along a translation plane, and a second translation assembly configured to engender a second movement of the injection unit outlet along the translation plane. The positioning assembly further includes a brake assembly extending between the first translation assembly and the second translation assembly. The brake assembly is configured to selectively create a compressive force between the first and second translation assemblies to maintain the position of the injection unit outlet.

Abstract: Disclosed is an insert for an injection molding nozzle, with an insert body, in which at least one flow channel is formed with an inlet opening and an outlet opening, wherein the insert body comprises a neck section, for joining to the injection molding nozzle, an end section, for inserting into a mold cavity of a mold insert. Furthermore, the insert body has a flange projecting radially with respect to the end section, having a stopping surface facing the outlet opening and a surface facing the inlet opening. It is proposed that the neck section has at least one seal.

Abstract: Method for manufacturing three-dimensional articles with a flexible wall, by means of a mould (1?-2?) and a counter-mould (3?) between which pieces (4?) are arranged that will form the article to be obtained. Between the pieces (4?), the mould (1?-2?) and counter-mould (3?) a conduit network (7) and cavities (6) are delimited into which, through first points (8), a plastic material is injected in a melted condition, whereas through one or more second points (9) said conduit network is connected to a vacuum network.

Abstract: An injection molding apparatus comprising a clamp plate, a heated manifold, an actuator, a mold and a cooling device, wherein the cooling device comprises: a heat transmitter comprising a distal arm or member and a proximal base or member, the distal arm or member being mounted by a spring loadable interconnection or engagement to or with the proximal base or member, the clamp plate, the mold, the manifold, the actuator and the heat transmitter being assemblable together in an arrangement wherein the spring loadable interconnection is loaded urging the distal end surface of the distal arm or member into compressed engagement with the clamp plate.

Abstract: An apparatus and method for actuating a valve stem between an open position and a closed position and for taking one or more valve gated nozzle out of service is disclosed. The hot runner includes a valve gated nozzle having a valve stem, the valve stem coupled to a piston that is held against an actuation plate via pressurized air. When a valve stem becomes stuck in a gate of the hot runner, the actuation plate can continue to move while the piston remains stationary. The valve stem may also be protected from an over force situation such as if the valve stem encounters an obstruction as the actuation plate is moving toward the closed position.

Abstract: A device for injection-molding and for overmolding objects has an upper element and a lower element, which surround a contiguous volume consisting of a filling space for holding the object and casting material and a sprue for holding casting material. The upper element is movable in relation to the lower element. A piston is arranged within the upper element in an integrated manner and is movable relative to the upper element. The position of the piston can be varied in accordance with a dimension of the object in an axial direction and the piston has a protrusion for changing a volume as filling amount balancing of the casting material within the sprue such that the device is filled with a constant amount of casting material irrespective of the dimension of the object in the axial direction and a volume varying with the dimension of the object in the axial direction.

Abstract: The present invention provides a parting locking device configured such that a locking member can be uncoupled from a base holder even with a locking bar inserted in the locking member, and the locking bar stably moves. The locking bar includes a thick-walled and thin-walled portions. In a first state in which the thick-walled portion is located between an engagement element and the inner surface of a bar inserting hole, and in a third state in which the locking bar is pulled out of the locking member, the engagement element is moved to first or second engagement element paths, and the locking member is uncoupled from the base holder. In a second state in which the thin-walled portion is located between the engagement element and the inner surface of the bar inserting hole (9), the engagement element is engaged with engagement recesses, thereby keeping the locking member coupled to the base holder.

Abstract: Plasiticized polyvinylacetal films with grater film-to-film uniformity are produced by a process of extruding a melt stream containing a polyvinyl acetal and a plasticizer at 150-250° C., the film having a predefined melt viscosity at 60-170° C., by providing a first melt stream of at least a first plasticizer and a first polyvinyl acetal resin and measuring its melt viscosity at 60-170° C. online; and adjusting the 60-170° C. melt viscosity by adding a second plasticizer and/or a second polyvinyl acetal resin to the first melt stream in an amount to provide a second melt stream with a melt viscosity at 60-170° C. having a difference of at most 20% to the predefined melt viscosity at 60-170° C.

Abstract: In a system and method for making a capped structure having a variegated cap layer a layer of cap materials is applied to a substrate and pin stripes are applied onto the cap layer through an extrusion die. After these materials exit the extrusion die they are passed through a single opening in a die plate to create a capped structure having a variegated appearance. This capped structure has a smooth surface that enables an embosser to create a consistent embossing pattern on the entire surface.

Abstract: A method and assembly for providing multi-stage extrusion of an article exhibiting an open interior. A multi-stage extrusion operation includes a first stage extrusion for receiving an initially extruded or otherwise pre-existing inner sleeve and extruding a surrounding sleeve and a plurality of radially projecting portions. A second stage subsequently extrudes an outer circular sleeve about the radially projecting portions. A third stage extrudes at least one wing portion to an outer edge of the outer circular sleeve.

Abstract: A method for manufacturing an inflatable mattress includes: Step 1, introducing a plastic material into an extruding machine; Step 2, operating the extruding machine to extrude the plastic material; Step 3, forming a tubular body in the form of a cylinder having a wall having a predetermined thickness; Step 4, cutting the cylindrical tubular body to form seamless tubular strips; and Step 5, connecting two opposite side portions of each of the seamless tubular strips to an upper layer and a lower layer respectively, with the seamless tubular strips being spaced from each other by a predetermined distance. An inflatable mattress so manufactured includes: an upper layer and a lower layer, of which peripheral edges are connected to provide the inflatable mattress with an internal space; and tubular strips arranged in the internal space and having opposite side portions respectively connected to the upper layer and the lower layer.

Abstract: An extrusion die includes a plurality of studs, a tuning assembly and a restrictor member. The tuning assembly comprises a wedge member, first and second adjustment members, and an adjustment control having a rotatable single point adjustment member. The wedge member is coupled to first ends of the studs and includes a first and second plurality of channels within. The first and second adjustment members have a plurality of protrusions, each of which is positioned within a respective one of the first and second plurality of channels. The restrictor member extends in the longitudinal direction and is coupled to second ends of the studs. Rotation of the single point adjustment causes each of the protrusions to move within each respective channel forcing the wedge member, the studs, and the restrictor member to move in a direction that is substantially perpendicular to the longitudinal direction.

Abstract: The present invention relates to a connection adapter for connecting two melt-guiding components having two adapter halves having connection means for connection to a respective one of the components and having connection means for connecting the two adapter halves to one another and having a melt-guiding piece that is adapted to a first of the melt-guiding components by a first opening cross-section and to the second of the melt-guiding components by a second opening cross-section. The invention furthermore relates to a melt processing plant having two melt-guiding components such as an extruder and a pelletizer that are connected to one another by such a connection adapter. In accordance with the invention, the melt-guiding piece is formed separately from the adapter halves and is tensionable against the melt-guiding components by the mutually connected adapter halves.

Abstract: The present invention relates to a technical field of 3D printing, and more particularly to a 3D printer spray nozzle structure and a method thereof for controlling speed and precision. According to the present invention, a feeding pipeline is embedded in an external shell, the feeding pipeline and an extruder are coaxially connected; the extruder is driven by a driving device, so as to rotate relative to the feeding pipeline. A rotation angle of the extruder relative to the feeding pipeline is controlled by rotation of a motor, for controlling a filament area actually sprayed by the extrude, in such a manner that printing speed and precision is controlled for suiting different requirements of different printing area. The present invention controls the printing speed and precision, for improving overall printing speed with precision requirements satisfied, and is applicable to 3D printer spray nozzle structure and controlling.

Abstract: The present disclosure is directed to a process for producing thermoplastic polyolefin roofing membrane. The process includes directly adding components of a high-load flame retardant TPO formulation to a counter-rotating twin screw extruder. The process includes extruding the formulation with counter-rotation of the twin screws and forming a TPO roofing membrane having a tensile strength of greater than 10 MPa and a flame retardance of rating of classification D as measured in accordance with EN ISO 11925-2, surface exposure test.

Abstract: A screw machine includes an inductive heating device for processing of material to be processed. The inductive heating device is used to heat the material in a heating zone. In the heating zone, at least one housing portion is made of an electromagnetically transparent material at least partly, the material being non-magnetic and electrically non-conductive, whereas at least one treatment element shaft is made of an electrically conductive material at least partly. The inductive heating device includes at least one coil formed integrally with a component of the at least one housing portion, in particular in such a way as to form a hybrid component. During the processing of the material, the inductive heating device generates an alternating magnetic field that produces eddy current losses in the at least one treatment element shaft, the eddy current losses leading to a temperature increase of the at least one treatment element shaft.

Abstract: To provide a resin container and a method for manufacturing the same with which it is possible to generate more effervescence than hitherto. This resin container is provided with: a resin container main body inside which is formed an accommodating space that is hermetically sealed using a cap; and a textured region which is formed on an inner surface of the container main body and is formed from a rough surface.

Abstract: A liquid blow molding method molds a bottomed tubular-shaped preform into a liquid-containing container in which a content liquid is held. The liquid blow molding method includes: a filling step of filling a first liquid in a first pressurizing source and filling a second liquid in a second pressurizing source; and a molding step of liquid blow molding the preform by simultaneously supplying, to the preform, the first liquid pressurized to a predetermined pressure by the first pressurizing source and the second liquid pressurized to a predetermined pressure by the second pressurizing source by simultaneously operating the first pressurizing source and the second pressurizing source.

Abstract: A molding system for hydraulic blow molding of a container from a preform. The molding includes a pressurization unit that is configured to receive liquid molding medium from a source; a fill head unit coupled to the pressurization unit to receive the liquid molding medium therefrom; a mold assembly defining a mold cavity in the shape of the container. During forming of the container, a nozzle piston is moved from a retracted position to an extending position where the nozzle piston is engaged to inject the molding medium into the preform, thereby forming and filling the container. The fill head unit defines a receiving chamber for the liquid molding medium that maintains a constant volume during movement of the nozzle piston between the retracted and extended positions.

Abstract: A device for stretching a thermoplastic film simultaneously in the longitudinal direction and the transverse direction is provided. The device includes, on each side of the film (F) to be stretched, grasping members for grasping a lateral edge of the film (F), and guide members; first and second guide rails (R1, R2), on which the members and are respectively able to move; first connecting rods connecting the grasping members and the guide members. In an embodiment, each guide member is connected to a single grasping member by one or several of said first connecting rods, and is connected to a first longitudinal adjusting member by one or several second connecting rods connected to the first longitudinal adjusting member; and the device includes adjusting means for adjusting the position and orientation of said first longitudinal adjusting member relative to said first and second guide rail (R1, R2).

Abstract: A pipe lining apparatus having a settable, resin-impregnated reinforcement filament that is helically wound onto the inner surface of a pipe or pipe lining by an inverted filament winding apparatus, the apparatus having multiple spools and applicator arms to retain and apply the filament. The applicator arms may be aligned circumferentially or axially.

Abstract: Collapsible tunnel systems or segmented tubular structures may be printed on or otherwise attached to base layers on articles of apparel, articles of footwear, or other articles of manufacture. The collapsible tunnel systems have two or more tubular structures attached to the base layer, with tunnels extending through the tubular structures. A tensile strand may be laced through the tunnels in the tubular structure such that when tension is applied to the tensile strand, the tunnels may collapse into a structure with a continuous tunnel through two or more tubular structures. In some embodiments, two or more segmented tubular structures each have two spaced-apart tubular structures joined by a connecting portion, and a tensile strand extending through tunnels in the tubular structures.

Abstract: An object is created by a more appropriate method when the object is created by combining pieces. A method of manufacturing a product is provided, in which a product 50 for use as a piece is manufactured when a three-dimensional object 40 is created. The product 50 is built by adding layers of an ink. The product 50 includes a surface region 202, an end region 204, and an interior region 206. At least a part of the surface region 202 is formed in a colored state using a coloring ink. At least a part of the interior region 206 is formed as a light-reflective region using a light-reflective ink. At least a part of a portion along an edge portion 210 of the surface region 202 in the end region 204 is formed in a colored state using a coloring ink.

Abstract: The invention relates to a device for producing three-dimensional models in a continuous process, comprising a build surface which has a first end in the direction of movement and a second end in the direction of movement, at least one dosing device and at least one solidification unit, characterized in that the build surface is designed to transport heavy components, and the components are transportable over the build surface essentially without distortion, and also comprising a method therefor.

Abstract: A device (1) for the generative production of a three-dimensional object (2) by selectively solidifying construction material layers made of solidifiable construction material (3) layer by layer in a successive manner using at least one laser beam (5), comprising at least one device (4) for generating at least one laser beam (5) in order to selectively solidify individual construction material layers made of solidifiable construction material (3) layer by layer. The device (4) comprises at least one laser diode element (10) that is arranged or can be arranged directly over the construction plane (9) on which solidified construction material layers or construction material layers to be solidified are selectively formed and is designed to generate a laser beam (5) directed directly onto the construction plane, and/or the device (4) comprises at least one laser diode element (10) and at least one optical element (27).

Abstract: A device 1 for producing three-dimensional objects 2 by the successive solidifying of layers of a powdery, structural material 3 that is solidifiable by means of radiation, in particular electromagnetic radiation or particle radiation, at the points corresponding to the respective cross section of the object, in particular an SLM device or an SLS device having a housing 7, in which a process chamber 8 and at least one building chamber 5, 6 are disposed, having a supporting means 9 for supporting the object 2 inside the building chamber 5, 6, a metering chamber 4 for storing the structural material 3, a coating device 10 for applying the structural material 3 and an irradiation device 11 for irradiating the applied layers of the structural material 3.