Abstract: A method for removing deposits in a print head of a 3D printer, including the steps of supplying (S101) a liquid having a granular solid to the print head; and setting into vibration (S102) the liquid in the print head.

Abstract: A method for preventing deposits of a printing liquid at a nozzle plate (101) of a print head within a 3D printer (100), including the step of increasing a saturation level of a carrier liquid (103) of the printing liquid in the air in front of the nozzle plate (101).

Abstract: A method for arranging support structures for an additive manufacturing process on a dental restoration, comprising the steps of detecting (S101) a flash line in a digital model of the dental restoration; and adding (S102) support structures to the digital model for supporting the dental restoration in the additive manufacturing process along the flash line.

Abstract: A method for 3D printing a part in a layer-wise manner includes providing a pool of polymerizable liquid in a vessel over a build window and positioning a downward-facing build platform in the pool, thereby defining a build region above the build window. The method includes selectively curing a volume of polymerizable liquid in the build region by imparting electromagnetic radiation through the build window to form a printed layer of the part adhered to the build platform and scanning at least a portion of the build window with monochromatic, polarized light along a plane of incidence. The method includes measuring a change in intensity and polarity of the light to obtain information about the printed layer. The method includes raising the build platform to a height of a next layer to be printed and modifying the electromagnetic energy imparted into the next layer based upon the obtained information to print a next layer.

Abstract: The present disclosure provides techniques for determining a configuration for 3D printing a 3D object. An example method includes obtaining user input parameters describing one or more user objectives. The method also includes computing, by a processing device, a graph of hybrid manufacturing (HM) configurations based in part on the user input parameters, wherein the graph comprises a plurality of nodes corresponding to different configurations for manufacturing the 3D object, wherein each node corresponds with a favorable print configuration with respect to two or more figures of merit. The method also includes displaying a selected HM configuration corresponding to a selected node of the plurality of nodes.

Abstract: Methods of reducing warping of a printed part are disclosed. The method includes depositing a raft comprising a first printable material onto a build platen of a three-dimensional printer. The method includes depositing a support material comprising a second printable material onto the raft. The method further includes depositing an anchor comprising one or more anchor shells of the first printable material onto the raft. The anchor is deposited within the support material. The method further includes printing a part made from the first material above the support material. The securing the part to the anchor by depositing one or more skirt shells comprising the first printable material about the periphery of the part and onto the anchor. The anchor has substantially the same shape as the part.

Abstract: The polymeric composition of this invention can be used as a temporary support material in the additive manufacturing of three dimensional articles without compromising ultimate product quality, reducing printing speed, requiring printers of increased complexity, or increasing cost or the incidence of printer jamming. This invention more specifically discloses a polymeric composition which is useful as a temporary support material for utilization in three-dimensional printing, this polymeric composition comprising of a first polymeric component which is suitable for use as a modeling material and a second polymeric component which is immiscible with the first polymeric component, wherein the polymeric composition has a continuous phase which is comprised of the second polymeric component, and wherein the polymeric composition has a Shore A hardness of at least 80.

Abstract: A device for joining a first component to be welded to a second component to be welded, the joining device having at least one electrically conductive, resistive heating film which comprises a central connection portion and two lateral electrical connection portions. The joining device comprises at least one first electrical insulation member which is positioned in contact with the first face of the heating film, and at least one second electrical insulation member which is positioned in contact with the second face of the heating film, the two electrical insulation members being configured to allow the transfer of heat and to prevent the flow of electric current between the heating film and each component to be welded.

Abstract: A method for interlocking a multi-material interface includes forming interlocking mechanisms on a body, the interlocking mechanisms forming protrusions and cavities, wherein the interlocking mechanisms and the body comprise a base material. The method further includes covering the protrusions and filling the cavities with a filling material using material extrusion.

Abstract: A welding assembly is disclosed. The welding assembly includes a plurality of separately controllable actuators (e.g., pneumatic, having an axially movable ram) to press a corresponding portion of a first workpiece (e.g., a discrete flange of a first stiffener) against a second workpiece (e.g., an outer skin) for welding operations (e.g., via induction welding).

Abstract: A welding device for making and hermetically sealing at least one package containing a product, comprises first and second sealing and cutting equipment. Each sealing equipment is configured to receive a film forming a tubular envelope, to seal and cut it transversally for making at least one package. The welding device comprises a support body, bearing the first and the second sealing and cutting equipment, which is connectable to a packaging machine preferably a rotary drum of a packaging machine. Each sealing and cutting equipment comprises an arm operating as a sealing and cutting head and an abutment body. The arm is rotatably constrained to the support body and reversibly movable between an active position substantially abutting the abutment body, and an inactive position raised with respect to the abutment body. A locking device locks the arms in the active position in the welding step.

Abstract: A woven composite component for an aerospace structure or machine, comprising: a compound member extending from a junction with a feeder member, a noodle element extending in a weft direction through the junction. The feeder member comprises first and second feeder portions either side of the junction, each feeder portion comprising warp tows extending towards the junction. There is a compound set of warp tows extending from the first and second feeder portions, each turning at the junction to define warp tows for the compound member. There is a crossing set of warp tows belonging to the compound set, the crossing set comprising warp tows from the first feeder portion and warp tows from the second portion which cross each other at the junction to pass around the noodle element. There is also disclosed a method of manufacturing a preform for a woven composite component.

Abstract: A heatshield is made of a heatshield material including an insulative-fiber matrix fully impregnated with a polyphenylene sulfide resin. The heatshield material may be a multi-layer fiber matrix having higher-weight forms at an outer ablative surface and lower-weight forms more inwardly, for insulation. In one example, PPS fiber is combined with carbon or carbon precursor fibers and both woven into fabric form and manufactured into nonwoven sheet stock. The final tailored stackup may be needled together, and the needled fabric stackup saturated with molten PPS resin.

Abstract: A method for producing a composite material joint body includes steps of: bonding a plurality of composite materials, forming a hollow body including at least a first cell and a second cell adjacent to the first cell, and adjusting a pressure so that a first pressure in the first cell is greater than a second pressure in the second cell. In the step of forming the hollow body, the first cell includes an expansion member pressurizing a first inner surface facing the first cell of a first cell member, and the second cell includes a gas pressurizing a second inner surface facing the second cell of a second cell member, and in the step of adjusting the pressure, the first pressure generated by the expansion member pressurizing the first inner surface is increased as compared with the second pressure generated by the gas pressurizing the second inner surface.

Abstract: An apparatus (100), assembly and process for depositing fiber material on a surface (131) is provided herein. The apparatus (100) comprises an material extruder (101) having a clutching mechanism configured to engage a fiber material with a extruder motor that is configured to feed said fiber material into a filament guide. The apparatus (100) further includes a modular layup nozzle (109) comprising a cold end portion (110), hot end portion (116) and output nozzle (108). The cold end portion (110) is configured to receive said fiber material and cool down the temperature thereof by using a coolant before said fiber material enters a hot end portion (116) of the apparatus (100). The hot end portion (116) further comprises a heat block (118) that is configured to convert the fiber material into a molten form and deposit said fiber material into a composite part (131) through a output nozzle (108). The fiber material is then cut by a cutting assembly (103) after a deposit operation is complete.

Abstract: Method for producing a composite molded body according to the present disclosure, to form a first and second composite molded bodies by molding the first and second composite materials, respectively. The first and second composite molded bodies comprise joint portions that can be joined to one another. The joint portions are joined together to form a composite material joint body. The first and second composite materials comprise to-be-joined portions corresponding to the joint portions of the first and second composite molded bodies, respectively. In the space sandwiched between the first and second composite materials disposed in the mold, a mandrel, a step of disposing a pressing portion, a step of pressing the pressing portion presses the mandrel against the to-be-joined portion of the second composite material.

Abstract: A method for manufacturing a joined body according to an embodiment of the present disclosure is a method for manufacturing a joined body in which composite materials in which fibers are impregnated with resins are heated and joined to each other. The method includes: a step of aligning the composite material with each of a plurality of molding dies, heating the molding dies, and semi-curing the resins of the composite materials; and a step of joining the composite materials to each other by combining and heating the molding dies with which the composite materials are aligned after semi-curing the resins of the composite materials. The molding dies used when semi-curing the resins of the composite materials and the molding dies used when joining the composite materials to each other are the same.

Abstract: Provided is a manufacturing method for efficiently manufacturing a thermoplastic resin composite containing a thermoplastic resin and a fiber by pultrusion. In the manufacturing method according to an embodiment, fibers 10 are continuously impregnated with a thermoplastic resin-forming composition containing an active hydrogen component and a diisocyanate component, after impregnation, the fibers 10 are caused to pass through a heat-molding unit 30 to perform polymerization of a thermoplastic resin and molding of a thermoplastic resin composite 12, and the thermoplastic resin composite 12 is continuously pulled out from the heat-molding unit 30. In the method, a heating temperature of the heat-molding unit 30 is set to be lower than a glass transition temperature of the thermoplastic resin, so that the thermoplastic resin of the thermoplastic resin composite 12 pulled out from the heat-molding unit 30 is in a glassy state.

Abstract: A method for fabrication of a composite structure including providing a mold configured for forming a composite structure, providing at least one magnetic anchor, the at least one magnetic anchor disposed within the mold, providing at least one optical marker, the optical marker magnetically coupled to the at least one magnetic anchor, providing an optical projector, the optical projector projecting at least one optical beam directed towards at least one optical marker, receiving at least one reflective beam from the at least one optical projector to identify the location of the optical marker disposed on the mold, calibrating the optical projector by comparing a predetermined virtual optical marker location to the identified optical marker location.

Abstract: An apparatus includes a fixed assembly and a reciprocating assembly. The fixed assembly includes a hopper, a first gas manifold, and a dispensing chamber, and the reciprocating assembly includes a channel assembly defining a channel conduit, a shield plate vertically aligned therewith, and a second gas manifold. The reciprocating assembly may move, in relation to the fixed assembly, to a first position to enable the channel conduit to be filled with bulk compressible material from the hopper, a second position to enable compressible material to be pushed from the channel conduit to the dispensing conduit and to be compressed in the dispensing chamber according to a first gas directed through the channel conduit by the first gas manifold, and a third position to enable the compressed material to be pushed out of the dispensing conduit according to a second gas directed through the dispensing conduit by the second gas manifold.

Abstract: A method to laminate ePTFE to Nitinol structures, such as an expandable sheath. Initially, the nitinol braid is slid into an outer ePTFE liner. An inner ePTFE liner is slid into the nitinol braid. The assembly of nitinol braid and inner and outer ePTFE liners is slid onto an inflatable silicone tube. The assembly inserted onto the silicone tube is placed in a heated die. The silicone tube is pressurized, causing it to inflate, forcing the inner ePTFE liner into contact with an inner surface of the nitinol structure. The die is cooled. The silicone tube is depressurized. The laminated structure is then removed from the die and the inflatable silicone tube.

Abstract: A display module and an electronic device are provided. The display module includes a supporting member, an adhesive layer, and a display panel. The supporting member includes an unbent portion, a first bent portion, a second bent portion, and a multi-directional bent portion. The first bent portion and the second bent portion are intersected to form the multi-directional bent portion. The multi-directional bent portion is a hollow structure. The adhesive layer is arranged in the hollow structure. The display panel is arranged on the supporting member. The display panel includes a multi-directional folding portion. The multi-directional folding portion is laminated with the adhesive layer.

Abstract: A fibrous insulation product having a plurality of randomly oriented glass fibers and a binder composition that holds the glass fibers together is disclosed. The fibrous insulation product has an R-value in the range of 10 to 54 and, after curing, has a density, when uncompressed, in the range of 0.30 pcf to 2.7 pcf. Furthermore, the fibrous insulation product includes glass fibers that, prior to the application of the binder composition, have an average fiber diameter in the range of 15 HT to 19 HT and a quantity of binder that is in the range of 2% to 10% by weight of the fibrous insulation product. The fibrous insulation product also has an average fiber diameter to density ratio (Fd/D) of less than or equal to 40 and a comfort factor less than or equal to 3.417(Fd/D)+60.

Abstract: An apparatus to emit and/or receive electromagnetic waves, the apparatus including a first material having a high electrical permittivity, and a second material having a high magnetic permeability, wherein the first material contacts the second material while maintaining a dielectric enhancement between the first material and the second material by combining the first material and the second material under a low pressure.

Abstract: A method for producing coated chipboard (9) having a functional surface, wherein the chipboard (9), in a first step (S1), is covered continuously and simultaneously and on both sides using melamine-impregnated paper (90) and a functional carrier material (91), wherein the melamine-impregnated paper (90) and the functional carrier material (91) are laid continuously and simultaneously by two rolls (10) and (11) in each case on the chipboard (9). A system for carrying out the above method and for producing a coated chipboard (9) includes, for continuously operating the system and for continuously carrying out the method, in each case a suitable functional carrier material and paper unwinding device (1), a suitable cutting device (2), a suitable press (3), and a suitable functional carrier material draw-off device (4).

Abstract: A molding base material has at least a fiber-reinforced resin prepreg layer, a fiber paper layer, and a partition layer interposed between the prepreg layer and the fiber paper layer; a molded product obtained using the same; and a production method therefor. The resulting product makes it possible to achieve high thermal resistance and heat insulation as well as improved overall space efficiency and weight reduction in a fiber-reinforced resin molded product.

Abstract: Soft material design methods for developing protective panels against a hail with a diameter of more than 25 mm are provided, wherein the protective panel comprises a soft material layer. The methods comprise: selecting a material for the soft material layer, wherein the material has a Young's modulus Esm in a range of 1 MPa to 150 MPa, preferably 5 MPa to 100 MPa; and determining a minimum thickness Tsm of the soft material layer based on the size of a hail and the material properties of the soft material and other materials inside the protective panel. A protection system that includes these protective panels covers a whole vehicle or some fragile parts on the ground.

Abstract: Methods of bonding plastics are described herein. The method includes providing a substrate having a melting temperature in a first range, providing a bonding film having a melting temperature in the first range, providing an adhesive layer, providing an optical film having a melting temperature in a second range, laminating the bonding film, the adhesive layer, and optical film together, and bonding the laminate to the substrate. Another method includes providing the substrate and the optical film, coating the substrate with a thermal matching layer having a melting temperature in the second range, or coating the optical film with a thermal matching layer having a melting temperature in the first range, and bonding the thermal matching layer to the substrate or the optical film that is uncoated with the thermal matching layer. A difference between melting temperatures of the substrate and the optical film is about 50 to 250° F.

Abstract: Laminar structure comprising two outwardly facing metal layers with an interposed alternating layer sequence made up of n layers of a hydraulically cured inorganic cement composition and n?1 metal layers, where n=1, 2, or 3.

Abstract: The present disclosure relates generally to plaster wall panels, for example, suitable for covering interior wall frames. The present disclosure relates more particularly to a plaster wall panel including a first plaster layer, a second plaster layer, and a damping layer disposed between the first and second plaster layers. The first plaster layer has a first thickness and is composed of a first plaster material that has a first material property. The second plaster layer has a second thickness and is composed of a second plaster material that has a second material property. The first thickness is smaller than the second thickness, and the first and second material properties are different.

Abstract: A method of joining a metal part and a polymer/polymer composite part comprising providing a metal part; providing a polymer or polymer composite part; inserting an insert layer between the metal part and the polymer or polymer composite part; and applying heat to the metal part to a temperature above the melting temperatures and below a degradation temperature of the polymer or polymer composite part and the insert layer and simultaneously applying pressure to the combination of the metal part, the polymer or polymer composite part, and the insert layer to combine the metal part and the polymer or polymer composite part into a joined assembly having a chemical bond therebetween.

Abstract: The present disclosure relates to the technical field of aluminum-plastic film production and discloses a metal composite film comprising an outer substrate resin layer, an intermediate metal layer and a heat-fusible resin layer; an anti-corrosion layer is formed on a side of the intermediate metal layer, the side being in contact with the heat-fusible resin layer; the anti-corrosion layer is formed of an anti-corrosion solution by coating or heat treatment; the components of the anti-corrosion solution include a trivalent chromium compound, an inorganic acid and an organic resin; the components of the anti-corrosion solution may further include a titanate; the components of the anti-corrosion solution may further include a fluoride. The use of the formula for the anti-corrosion solution within the range defined above in the present disclosure can significantly improve the initial peel strength of the intermediate metal layer and the heat-fusible resin layer of the metal composite film.

Abstract: A composite film for producing lids, including an aluminum layer and an extrusion layer, which is extruded onto the aluminum layer in multiple layers by coextrusion. The extrusion layer has a sealing layer and an adhesion promoter layer, which is arranged between the sealing layer and the aluminum layer. The sealing layer includes a polymer matrix, which has at least a first polymer constituent and a second polymer constituent. A peel-force additive, in particular a mineral filler, such as talcum, is added to the polymer matrix. The first polymer constituent is selected from a polyolefin, and the second polymer constituent is selected from polyolefin plastomers and/or polyolefin elastomers each having a density of less than 900 kg/m3, and from combinations of such materials.

Abstract: Provided is a cover plate assembly, including: an ultra-thin glass layer, wherein a thinned structure is disposed at an edge of the ultra-thin glass layer; and a first protection layer, comprising a wrap portion and a flat portion, wherein the flat portion is connected to the wrap portion, the wrap portion is wrapped around the thinned structure of the ultra-thin glass layer, and the flat portion covers a side surface of the ultra-thin glass layer.

Abstract: A window in a system may have inner and outer window layers. The inner and outer window layers may be formed from molded glass plates. The inner window layer may have a molded convex surface formed by molding a first glass plate against a mold with a concave surface. The inner window layer may have an opposing non-molded surface that does not contact the mold during molding operations and is smoother than the molded convex surface. The outer window layer may have a molded concave surface formed by molding a second glass plate against a mold with a convex surface. The outer window layer may have an opposing non-molded surface that is not contacted by the mold during molding operations and is smoother than molded convex surface. A layer of polymer may join the inner and outer window layers with their molded surfaces facing each other.

Abstract: A laminated glazing structure includes first and second transparent substrates separated by a lamination interlayer, the first substrate being positioned on the outer side of the laminated glazing structure and the second substrate being arranged on the inner side of the laminated glazing structure, each transparent substrate including two main faces, the laminated glazing structure including a functional coating having solar control properties; at least one absorbing element; at least one microstructured surface, the Rdq of which is at least 0.

Abstract: A head up display glass and a head up display system are provided. The head up display glass includes an outer glass sheet, an inner glass sheet, an intermediate layer, a transparent conducting coating, and an enhanced reflection coating. The outer glass sheet has a first surface and a second surface opposite the first surface. The inner glass sheet has a third surface and a fourth surface opposite the third surface. The second surface faces the third surface. The intermediate layer is disposed between the second surface and the third surface. The transparent conducting coating is disposed on the second surface or the third surface. The enhanced reflection coating is disposed on the fourth surface. The transparent conducting coating has a reflectivity for P-polarized light not less than 6%. The enhanced reflection coating has a reflectivity for P-polarized light not less than 10%.

Abstract: An improved constrained layer vibration dampening patch for use directly on substrates with rust protective coatings. The improved constrained layer vibration dampening patch includes a constraining layer, a dampening layer and a release liner. The improved constrained layer vibration dampening patch includes a dampening layer with about 10 to about 15 weight percent of a butyl rubber composition; about 1 to about 5 weight percent of a tackifier; about 20 to about 25 weight percent of a plasticizer; about 60 to about 65 weight percent of filler; and about 0.01 to 1 weight percent of colorant, wherein the composition is substantially free of a curing agent, and wherein the composition is free of any ethylene copolymers.

Abstract: A film comprises an elastomeric or soft polymer substrate that is capable of converting light to heat a second layer comprising a hydrophilic polymer and nanosheets of layered inorganic material dispersed in the hydrophilic polymer. The substrate can comprise a photothermal particle. The film can be used in a method by irradiating the film to cause wrinkles and optionally further exposing the film to moisture with optional drying.

Abstract: The present disclosure relates to an antiwear film, which comprises a thermoplastic carrier film and an antiwear layer on the thermoplastic carrier film; wherein there is an adhesion promoter layer, at least in some parts, between the thermoplastic carrier film and the antiwear layer; wherein the thermoplastic carrier film has a thermoplastic material; wherein the adhesion promoter layer has an adhesion promoter; and wherein the antiwear layer has a mixture having a polymethyl methacrylate and polyorganosiloxane. The disclosure also relates to a decorative panel, which comprises a carrier plate, at least one decorative layer, at least one laminating adhesive layer and an antiwear film according to the disclosure, wherein the antiwear film is arranged with its carrier film facing the carrier plate, and wherein the decorative layer and the laminating adhesive layer are located between the carrier plate and the thermoplastic carrier film.

Abstract: An extruded foil may include at least one layer in which platelet-shaped filler particles are uniformly distributed in a polymer matrix comprising at least one fluoropolymer and at least one further layer. The foil may have a particularly high TSR, a high weathering resistance, and excellent mechanical properties. Therefore, the foil may be highly suitable for surface-protection of materials such as polyvinyl chloride (PVC) and for use in high-pressure laminates (HPLs).

Abstract: Provided are laminates including polyethylene and an extruded web layer. The laminates can be adhesiveless and fully compatible with polyethylene recycling streams. They can exhibit improved, maintained, or desirable properties in comparison to existing laminate structures that are not fully compatible with polyethylene recycling streams. The laminate comprises a first film, an extruded web layer, and a second film, where the extruded web layer is between the first film and a lamination layer of the second film and the laminate is formed via extrusion lamination of the extruded web layer.

Abstract: Disclosed is a film for a shrinkable label with improved transparency and stiffness in the film for a shrinkable label using a non-adhesive polyolefin-based material. The present invention is a film for a shrinkable label, the film including a skin layer, a core layer, and a seal layer, wherein the skin layer and the seal layer include 70 parts by weight to 90 parts by weight of a cyclic olefin resin and 10 parts by weight to 30 parts by weight of a linear low-density polyethylene, and the core layer includes 5 parts by weight to 25 parts by weight of a cyclic olefin resin, 60 parts by weight to 85 parts by weight of a propylene copolymer, and 1 part by weight to 20 parts by weight of a modifier.

Abstract: A multi-layer membrane with fire-resistant properties having improved thermal stability and shelf-life is provided. The multi-layer membrane 10 has at least a water resistant polymeric layer 12 bonded to a fire resistant component 13. The fire resistant component 13 has a first fire retardant coating 16 bonded to a carrier layer 14. The fire resistant component may further include a second fire retardant coating 28 bonded to a surface of the carrier layer opposite to the first fire retardant coating. The first and second fire retardant coatings comprise a filler 24, 30 mixed with a carrier 26, 32. The membrane may include a back bonding layer 36 bonded to the bottommost layer thereof to adhesively secure to a structural support structure such as a roof. A release liner 42 may be releasably secured to the back bonding layer.

Abstract: According to one or more embodiments presently disclosed herein, a multilayer structure may include an oriented film and a sealant layer. The oriented film may include at least 90% by weight polyethylene. The sealant layer may include from 15 wt. % to 40 wt. % of a low density polyethylene based on the total weight of the sealant layer. The sealant layer may further include (a) from 60 wt. % to 85 wt. % of an ethylene-based elastomer based on the total weight of the sealant layer, or (b) from 60 wt. % to 85 wt. % of a propylene-based plastomer based on the total weight of the sealant layer.

Abstract: In FIG. 7A, thin steel sheets 17 inside a fixed squeeze 42 continue to descend. Once a thin steel sheet 17 (n) passes a lower end of a first movable squeeze 54, the first movable squeeze 54 is closed. In FIG. 7B, once the thin steel sheet 17 (n) passes a lower end of a second movable squeeze 55, the second movable squeeze 55 is closed. In FIG. 7C, a laminate 50 is dispensed from a backup 43. There is provided a laminate dispensing technique that allows the thin steel sheets inside the fixed squeeze to continue to descend even during dispensing by enabling the continuous descent of the thin steel sheets 17 inside the fixed squeeze 42 and the first movable squeeze 54 and the second movable squeeze 55 during this period.

Abstract: Systems and methods for applying decorations onto substrates. Decorations can be transported on a web along the web path to an application station at which the decorations are applied to substrates. Movement of substrates through the application station can be controlled by rollers that are movable to permit and/or prevent entry to the application station and/or exit from the application station. The rollers can urge a substrate into contact with a decoration, and movement of the decoration and web at the application station can cause rotation of the substrate during decoration transfer.

Abstract: A method of joining a metal part and a polymer/polymer composite part comprising providing a metal part; providing a polymer or polymer composite part; inserting an insert layer between the metal part and the polymer or polymer composite part; and applying heat to the metal part to a temperature above the melting temperatures and below a degradation temperature of the polymer or polymer composite part and the insert layer and simultaneously applying pressure to the combination of the metal part, the polymer or polymer composite part, and the insert layer to combine the metal part and the polymer or polymer composite part into a joined assembly having a chemical bond therebetween.

Abstract: A direct to mesh (DtM) screen printer for creating a screen stencil is provided. The DtM screen printer includes a fixture to hold a frame, which holds a pre-stretched mesh in place during application of a jettable emulsion, a platen having a cavity and an array of holes in a top surface of the platen and is located against one side of the pre-stretched mesh, and a printer carriage supporting a print head for printing the jettable emulsion on a side of the pre-streched mesh opposite the platen.

Abstract: A device for mounting a roller cover on a roller with a pair of tensioning rails has a plurality of identical tensioning units, which are arranged on a common pivoting beam and the partial rails of which jointly form the second tensioning rail of the tensioning rail pair, wherein said tensioning units respectively comprise a first lock assigned to the first tensioning rail and a second lock assigned to the respective partial rail, and wherein the locks selectively hold or release the roller cover.