Abstract: A mold clamping apparatus according to the present invention includes: a fixed platen to which one mold of a pair of molds is to be mounted; a movable platen which is disposed opposite the fixed platen and to which the other mold is to be mounted; a pressure-receiving platen connected to the fixed platen via tie bars; a mold opening/closing mechanism including a toggle link mechanism for opening/closing and clamping the molds by moving the movable platen back and forth; a drive mechanism including a servo motor for driving the mold opening/closing mechanism; and a control device for controlling the servo motor, wherein the control device includes an acceleration/deceleration adjustment section capable of adjusting an acceleration time, a deceleration time and a target speed of the servo motor during a mold clamping operation.

Abstract: The present invention prevents internal cracks occurring when an impeller molded using a fiber reinforced resin is manufactured by injection molding. This method for manufacturing an impeller is provided with: an injection step of filling a cavity with a molten resin containing reinforced fibers, from a gate side into which the molten resin flows, toward an opposite-gate side opposite to the gate side; and a dwell step of applying required pressure to the filled molten resin. In the injection step and the dwell step, directional cooling is performed with a temperature gradient such that the temperature becomes lower from the gate side toward the opposite-gate side. According to this method for manufacturing the impeller, the opposite-gate side shrinks with a decrease in the temperature of the molten resin since the temperature of the opposite-gate side is lower.

Abstract: A method and apparatus for the sequential injection moulding of plastic material into the mould cavity or by using a plurality of controlled open-close injectors, wherein the sequentially injected plastic material originates in mould flow fronts in different directions whose collision generates at least one weld line on the moulded article. The sequential injection is actuated with specific modes according to which the opening of the at least one of said injectors is anticipated or delayed with respect to other injectors and/or at least one of the injectors is closed partly and/or at least one of the injectors is gradually opened only partly. Such specific modes are managed to control and define the shape and/or the position of the weld line on the moulded article.

Abstract: Protection device for an injection moulding machine with lateral frame elements or lateral covers, and fixed tool and movable tool clamping plates, wherein the clamping plates are arranged between the lateral frame elements or the lateral covers and the movable tool clamping plate can travel along a closing axis which runs parallel to the lateral frame elements or the lateral covers in relation to the fixed tool clamping plate, wherein first cover elements are arranged on the top side of the machine, both on an operator side and on the operator opposite side, which first cover elements extend parallel to the closing axis, the first cover elements being configured for a radial movement and wherein on the top side of the machine second cover elements which extend perpendicularly to the closing axis, wherein the second cover elements being configured for radial movement.

Abstract: A method for producing a microporous material comprising the steps of: providing an ultrahigh molecular weight polyethylene (UHMWPE); providing a filler; providing a processing plasticizer; adding the filler to the UHMWPE in a mixture being in the range of from about 1:9 to about 15:1 filler to UHMWPE by weight; adding the processing plasticizer to the mixture; extruding the mixture to form a sheet from the mixture; calendering the sheet; extracting the processing plasticizer from the sheet to produce a matrix comprising UHMWPE and the filler distributed throughout the matrix; stretching the microporous material in at least one direction to a stretch ratio of at least about 1.5 to produce a stretched microporous matrix; and subsequently calendering the stretched microporous matrix to produce a microporous material which exhibits improved physical and dimensional stability properties over the stretched microporous matrix.

Abstract: A method of coextruding polymeric materials into multiple layers of desired thickness to form a tubular workpiece. The method includes conveying a first polymeric material through a main extruder and a second polymeric material through a coextruder. The second polymeric material has dispersed therein an amount of electrically conductive particles effective to impart electrical conductivity to the tubular workpiece. The method further includes simultaneously extruding the first polymeric material and the second polymeric material through a coextrusion die to form the tubular workpiece. The tubular workpiece is extruded in the form of one or more outer layers having the first polymeric material and one or more inner layers comprising the second polymeric material. A tubular workpiece prepared by the method of coextruding polymeric materials into multiple layers of desired thickness.

Abstract: An extrusion die with adjustable land channel can be formed of a die body that includes a first die body portion and a second die body portion, a first lip body, a second lip body, and a land channel body. The extrusion die can have a flow channel that includes a land channel terminating in an outlet orifice. The flow channel may be bound on one side by the first die body portion, the land channel body, and the first lip body. The flow channel may be bound on an opposite side by the second die body portion and the second lip body. In some examples, the length of the land channel is adjustable by configuring the land channel body and/or first lip body to move across the width of the flow channel.

Abstract: A head is disclosed for use with a manufacturing system. The head may have a housing that discharges a tubular structure, and a cure enhancer connected to the housing and selectively activated to cure the tubular structure during discharge from the housing. The head may also have a nozzle that discharges a fill material into the cured tubular structure.

Abstract: A container manufacturing device having a preform manufacturing portion, a conveyor, a blow molding device, where the preform is to the blow molding device while maintain the residual heat from the preform manufacturing portion. The preform manufacturing portion includes a molding die and a feeder for supplying a molten thermoplastic resin to a cavity of the molding die. In the blow molding portion, liquid is used to mold the preform into a container of a predetermined shape.

Abstract: A manufacturing process includes (1) disposing a platform in a first tank filled with a first liquid; (2) curing the first liquid to form a portion of a mold on the platform; (3) disposing the platform from the first tank to a second tank filled with a cleaning agent; (4) cleaning; (5) disposing the platform from the second tank to a third tank filled with a second liquid; (6) curing the second liquid to form inner and outer supports of the mold; (7) disposing the platform from the third tank to the second tank; (8) cleaning; (9) disposing the platform from the second tank to the first tank; (10) curing the first liquid to form another portion on the mold; (11) repeating steps (3) to (10) until a complete mold is created; (12) heating the mold to cause the molten material to exit, and (13) creating a hollow product.

Abstract: The invention relates to a container (1) for receiving a liquid content, comprising a container wall (10) which surrounds a container interior (12) and comprises an opening (8). The container wall has an opening region (2) at the opening, a base region (4) arranged opposite the opening region, and a lateral region (3) which extends between the opening region and the base region, and the container wall has a dimensionally stable central region (22) in the base region and a flexible flat region (24) which encircles the central region. The container wall transitions from the central region into the flat region at an angle such that an edge (26) which encircles the central region is formed in the container wall between the central region and the flat region. The invention further relates to a blow mold (31) for producing such a container.

Abstract: The invention relates to a heating apparatus (H) having at least one heating line (24) for the thermal conditioning of preforms (1) made of thermoplastic material to a temperature profile which is suitable for blow shaping, wherein the heating apparatus (H) comprises a transport device for transporting the preforms (1) along a transport path (T) of the heating apparatus (H), said transport device comprising a revolving conveyor chain (F) having a plurality of pivotably interconnected chain links (33), and wherein the transport device comprises handling means (39) for holding and manipulating a single preform (1) each, wherein the transport device is embodied and configured such that the preforms (1) are guided in a single row in at least a first section of the transport path (T), and are guided in two adjacent rows in at least a second section of the transport path (T), and wherein each chain link (33) comprises a bracket (41) on which a first handling means (39) and a second handling means (39?) are arranged

Abstract: A system for preforming a sheet of plastic material (MP) including a first element forming a preforming cavity, the system including a second element adapted to be positioned opposite the first element, a set of pressing means sequentially actuated and carried by the second element to apply pressure locally to the sheet of plastic material (MP), so as to press this sheet (MP) against the first element, at least one means for sequential actuation of the pressing means.

Abstract: Methods systems and apparatuses for reducing or substantially eliminating distortion in a transparent substrate in situ are disclosed.

Abstract: A tool operable to expand an end of a pipe, such as PEX pipe, has a jaw assembly with jaws movable between a closed position and an expanded position and rotatable about a longitudinal axis. A motor drives an output spindle driven by the motor, which in turn drives a radial cam. A wedge is movable by the radial cam in a reciprocating motion along the axis, causing the wedge to move between a first position where the jaws are in the closed position and a second position where the jaws are in the expanded position. A rotating ring is mounted on the wedge and connected to the jaws. The rotating ring is driven by the output spindle for rotating the jaws about the axis.

Abstract: One example of a flexible structure includes an elongate body having a first end and a second end, and the first end is configured to be releasably connected to the second end. As well, one or more living hinges are positioned in the elongate body between the first end and the second end, and the one or more living hinges are configured and arranged to enable the first end and second end to be moved toward each other. Finally, the flexible structure is configured to alternatively assume at least a flat state and an assembled state, and in the assembled state, the first end of the elongate body is connected to the second end of the elongate body.

Abstract: The invention relates to a process for the production of a structured surface on a polymeric material. In the production process, the polymeric material is brought into contact with a surface-structuring mold which comprises, on a first side, channels of length at least 10 ?m, open toward the first side, and then the removal of the surface-structuring mold from the polymeric material, where the structured surface is obtained on the polymeric material. The polymeric material is brought into contact with the surface-structuring mold at ambient pressure.

Abstract: The present disclosure is to provide a laminated film for decorating a three-dimensional molded product by vacuum forming which has a crack and strain-free uneven design on the clear coating film layer being an outermost layer at the time of use and provide a good design property to a molded product. A laminated film for decorating a three-dimensional molded product by vacuum forming, having a base material film layer (A), a clear coating film layer (B), and a design layer (C), wherein at least one face of the base material film layer (A) bordering the clear coating film layer (B) has an uneven design.

Abstract: Methods and systems suitable for fabricating multi-layer elastic electronic devices, and elastic electronic devices formed thereby. A method of fabricating an elastomer-based electronic device includes printing a first liquid material and then a second liquid material on a fabric substrate that comprises fibers. The first and second liquid materials are sequentially printed with a three-dimensional printer that directly prints the first liquid material onto the fabric substrate so that the first liquid material wicks through some of the fibers of the fabric substrate and forms a solid matrix of an elastomer-based composite that comprises the matrix and the fabric substrate, after which the three-dimensional printer directly prints the second liquid material on the elastomer-based composite to form a film thereon. The elastomer-based composite and film are electrical components of the elastomer-based electronic device.

Abstract: Provided are methods of fabricating an object, effected by jetting two or more different compositions, each containing a different material or mixture of materials, which, when contacted on a receiving medium, undergo a chemical reaction therebetween to form the building material. The chemical composition of the formed building material is dictated by a ratio of the number of voxels of each composition in a voxel block. Systems for executing the methods, and printed objects obtained thereby are also provided.

Abstract: A method of forming the body portion of a three-dimensional object (17) from a polymerizable liquid (16) is carried out by a process including advancing a carrier (18) for the object away from a build surface while irradiating a build region between the carrier and build surface in a pattern of advancing and irradiating defined by an operating mode. The body portion has a plurality of contiguous segments, with the irradiating carried out in sequentially presented slices of exposure. Each slice having a pattern that corresponds to a segment of said body portion. Each pattern includes regions of greater irradiation and regions of lesser irradiation (e.g., within the perimeter of each pattern). The method includes consecutively changing, for at least a portion of the forming of said three-dimensional object, the pattern between consecutive slices in a sequence of sequentially presented patterns of exposure that facilitates the flow of the polymerizable liquid to the build surface.

Abstract: A method for manufacturing a three-dimensional object comprises making a material avail-able in a material volume and forming a three-dimensional object made of the material by means of selectively irradiating the material with ultrasound.

Abstract: The invention relates to a powder chamber table assembly (1) for a powder module, especially a construction module, of an apparatus for additive manufacturing of three-dimensional objects, comprising at least two components or component groups to be sealed to each other especially in terms of the intrusion of powdered construction material, wherein the at least two components or component groups are sealed to each other by at least one sealing element (9), wherein the sealing element (9) is formed of or comprises a high temperature resistant silicone material.

Abstract: The invention relates to a construction chamber (1) for an apparatus for additive manufacturing of three-dimensional objects, comprising a construction chamber base body (2) which limits a construction volume (4) forming a construction room (3), wherein the construction chamber base body (2) is formed segmented in several construction chamber base body segments (2a, 2b) that can be attached or are attached to each other forming the construction chamber base body (2).

Abstract: An additive manufacturing device has a vessel for containing a polymerizable material, a build platform and a curing unit. The vessel has a flexible wall which is at least partially transparent to radiation at one or more wavelengths at which the material is polymerizable. The build platform is movable relative to the vessel to position a build surface thereof to face the flexible wall. The curing unit has a rigid component with a planar contact surface, the rigid component being at least partially transparent to radiation at the one or more curing wavelengths, and a radiation module positioned to emit radiation through the rigid component. The rigid component and the vessel are movable relative to each other. In a first position, the planar contact surface of the rigid component is in contact with the flexible wall, and in a second position, the rigid component is separated therefrom.

Abstract: A method is described in which data representing a three-dimensional object to be printed is obtained. The data comprises object property data indicative of properties of the three-dimensional object. Layers within the three-dimensional object to be printed are identified. The obtained data is processed by comparing object property data associated with an identified layer to object property data associated with a reference layer selected from the identified layers. Where a difference in object property data associated with an identified layer and object property data associated with a reference layer is determined, the determined difference is stored.

Abstract: The present invention provides a technique for improving convenience in the use and management of 3D data. The present invention is a data structure of a 3D object for managing information related to a three dimensional structure of an object including input data as data on the 3D object generated by a 3D input apparatus, structure data as data representing the three dimensional structure of the 3D object that is generated from the input data, and shape data as data obtained by performing, on the structure data, processing required to meet a required specification of a specific 3D shaping apparatus.

Abstract: A method of printing a three-dimensional part includes dividing each of a plurality of layers of a model of the three-dimensional part into a plurality of passes, where each of the plurality of passes is separated from one or more adjacent passes by a gap. The gap between passes in a first layer is offset from the gap between passes in an adjacent layer, such that the gap between passes in the first layer does not align with or stack with the gap between passes in the adjacent layer.

Abstract: A method for printing a three-dimensional part with an additive manufacturing system includes providing a bitslice stack having a plurality of bitslices and printing a plurality of successive layers of the three-dimensional part with the additive manufacturing system based on the bitslices in the bitslice stack. The method includes measuring density of the three-dimensional part under construction near an intermediate build surface after one or more of the successive layers are printed. The method includes determining differences across the intermediate build surface of the measured density to a targeted density to identify one or more density error regions across the intermediate build surface, wherein the density error regions comprise low density regions, and modifying the bitslice stack to compensate for the one or more density error regions.

Abstract: An applicator mitt assembly system comprises an applicator mitt tooling including: a tooling body having a mitt-perimeter cutter and weld bead thereon which are shaped to a perimeter of an applicator mitt to be cut; a heating element associated with the tooling body, the heating element being shaped so as to match or substantially match a shape of the weld bead so as to create a perimeter weld for the applicator mitt when engaged with the tooling body; and an ejector platen which is actuatable relative to the tooling body to eject a cut and welded mitt away from the tooling body. The system can further comprise a conveyor device adapted to feed uncut and unwelded mitt material towards the applicator mitt tooling and a tooling actuator adapted to actuate the applicator mitt tooling relative to the conveyor device.

Abstract: In a sealing machine for textile articles of manufacture, a conveying group including a first conveyor member cooperating with a second conveyor member for translating an article of manufacture being processed according to a predetermined feed direction. The first conveyor member includes a first roller acting on the article of manufacture being processed by means of a dragging surface having a diameter of less than 20 mm. The first roller is rotatably engaged to one end of an arm overhanging from a fixed structure, according to a rotation axis parallel to a longitudinal development direction of the arm. The dragging surface of the first conveyor roller has a diameter smaller than, of preferably less than ½, diametrical dimension of the arm at said end.

Abstract: There is provided a joining structure of a resin member for a vehicle body and a stud bolt that can more strongly fix a stud bolt to a resin member for a vehicle body by an ultraviolet curable adhesive. Convex portions are provided at a portion, which structures a flange-adjacent portion, of a mounting surface portion of a resin member for mounting. Therefore, a surface area of adhesion with adhesive at a place, which is covered by a flange portion as seen in a plan view, of the mounting surface portion can be made to be large. As a result, adhesive force of a portion, which is cured by diffused ultraviolet rays, of the adhesive A that is covered by the flange portion as seen in a plan view can be made to be large.

Abstract: A method for preparing a composite body (1) comprising a support body (2) and at least one decorative element (3), preferably a gemstone (3a, 3b), the support body (2) comprising a thermoplastic material, the method being characterized by the steps of: arranging the decorative element (3) on the support body (2), heating the support body (2), pressing the decorative element (3) into the support body (2) by using a stamp (4) consisting of an elastically deformable material, the material of the stamp (4) being selected from the group of elastomers.

Abstract: A method of reinforcing a support mat includes at least one extruder applying at least a first stream of weld-forming material over at least one seam formed between upper and lower, interconnected, at least partially overlapping, panels on the top of the mat and at least one automated extruder applying at least a second stream of weld-forming material over at least one seam formed between the panels on the bottom of the mat.

Abstract: The present disclosure generally relates to methods for additive manufacturing (AM) that utilize ghost support structure in the process of building objects, as well as novel ghost support structures to be used within these AM processes. The ghost support structures include a portion of powder that is scanned with an energy beam having insufficient power to fuse the powder. The ghost supports control timing of the additive manufacturing process and allow portions of the object to cool to a desired temperature before adjacent portions of the object are scanned.

Abstract: A temperature control system for the extruder of a 3-D printer includes a blower and a baffling system to cool different components of the extruder using the same blower by directing air flow of the blower into two passages arranged at an outlet of the blower.

Abstract: A method for an improved 3-D printing system and a system thereof is disclosed. The method is able to blur and sharpen pattern images, and the system is flexible in assembly in order to benefit the convenience of printing, the speed of printing, and the cost of hardware and manufacturing.

Abstract: The embodiment of the present invention provides a method for a 3-D projection printing system and a system thereof, more particularly to a system adopts both ways of look-up table and interpolation method to calibrate. The embodiment of the present invention provides a portable calibration fixture system and a flexible 3-D projection printing system in order to improve calibration precision, facilitate calibration and printing operations, increase printing effect and save cost.

Abstract: The present invention relates to a method of manufacturing personalized razor handles.

Abstract: A method is provided for maintaining resin in a system including a main feed tank and at least one vat, each of the at least one vats associated with a 3-D printing machine. The method includes the steps of: transferring resin from the main feed tank to the at least one vat; operating the associated 3-D printing machine in a build cycle; returning the resin from the at least one vat to the main feed tank; and repeating in a cycle the steps of transferring the resin, operating the 3-D printing machine, and returning the resin.

Abstract: A method for the production of plastic parts, in particular of composite parts, utilizes at least two components to be mixed in a mixing chamber and a cavity formed between a first and a second mold half of a molding tool. The cavity comprises a mold part section and a sprue section, and the sprue section or the mold part section is used as mixing chamber.

Abstract: A method and device of positioning a ply of material for a composite component along an arcuate surface are presented. The ply comprises two end portions and a plurality of fiber tows extending longitudinally between the two end portions. The arcuate surface has a curved edge and a planar surface extending from the curved edge. The method comprises placing a first longitudinal edge portion of the ply along the curved edge; and rotating at least one of the two end portions away from the arcuate surface about a pivot axis normal to the ply, so as to cause sliding of at least some of the plurality of fiber tows relative to each other, and substantial aligning of the plurality of fiber tows in a curved direction along the arcuate surface. A method of positioning a ply of material for a composite component onto a curved mandrel is also presented.

Abstract: The invention is directed to a method for producing a rim (2) comprising at least one three-dimensionally shaped layer of reinforcing fibers (26). In a first step a forming tool (25) is provided which comprises a three-dimensionally shaped outer contour. In a subsequent step a band of reinforcing fibers (26) is wound onto the forming tool (25) such that the reinforcing fibers follow the outer contour of the forming tool (25) and are arranged in at least one of reinforcing fibers. A draping device (27) is provided by which the band of reinforcing fibers (26) is preformed before the band of reinforcing fibers (26) is wound onto the forming tool (25).

Abstract: A process for the preparation of a fiber reinforced composite article that facilitates manufacturing of composite articles with reduced cycle times, said composite articles exhibiting high fibre content, low void content and excellent visual and mechanical properties, and capable of use for the construction of mass transportation vehicles, in particular, in the automotive and aerospace industries.

Abstract: Methods of manufacturing vehicle assemblies, such as engine assemblies, are provided. The method includes arranging at least a first component in a mold, arranging a second component or a second component precursor adjacent to the first component in the mold, introducing a sacrificial material into the mold, introducing at least one polymeric fluid into the mold, solidifying the polymeric fluid, and removing the sacrificial material from the mold to form a void space so that the first component, the polymeric composite material, and the void space define the vehicle assembly.

Abstract: A method of imparting electrical conductivity on an interlayer material is disclosed. In one non-limiting example the method includes forming the interlayer material from at least one layer of fabric of thermoplastic fibers. The method further includes, treating the surface of the interlayer material using an atmospheric-pressure plasma such that the surface of the interlayer material undergoes a surface activation. Additionally, the method includes depositing a layer of conductive material on the surface of the interlayer material such that the conductive material increases a conductivity of the interlayer material.

Abstract: A device for inflating and sealing an inflatable object comprising an air-tight tube, at least one hermetic connector reversibly coupled to either end or both ends of said air- tight tube and a source of pressure connected to either one end, second end or said at least one hermetic connector. The airtight tube serves as both storage means and transfer means for a sealing agent. The device allows transfer of said sealant agent in a largely laminar flow, aiding solid and semi-solid materials in said sealant agent to align in the direction of said flow and pass securely throw the valve mechanism without clogging. The inflatable object may be inflated and sealed without removal of the valve mechanism of said inflatable object and may be charged with pressurized gas and sealant agent contemporaneously.

Abstract: Methods for improving the manufacturing of optical gratings and surface relief grating structures are described. An optical grating may be formed by spin coating a liquid monomer solution that includes a solvent, a liquid monomer, and a nanoparticle filler with a higher refractive index than the liquid monomer on a substrate. The optical grating may be formed by pressing a mold that includes nanostructures on its surface into the liquid monomer to form gratings and then hardening the liquid monomer while the mold is held within the liquid monomer. After the mold has been pressed into the liquid monomer, two regions within the liquid monomer may be formed: a first region that includes the gratings and that does not include nanoparticles (or that includes less than a threshold number of nanoparticles) and a second region arranged below the gratings that includes nanoparticles.

Abstract: A manufacturing process of a leather eyeglasses frame and eyeglasses frame obtained with such a process is disclosed. An eyeglasses frame is provided wherein the frontal lens-holder frame, and possibly each of the two lateral temples, are made of two identical layers of leather, between which a thin reinforcing metal core is concealingly inserted.

Abstract: A mold device and a method related thereto for forming a plastic container from a preform. The mold device comprises a mold defining a mold cavity, an optional stretch initiation rod system for engaging an interior portion of the preform to define a stretch initiation area, and a centrally disposed pressure source positionable within the preform for introducing a pressurized fluid.