Abstract: Die cutter blanket for counter-die of rotary die cutting machine, which has a cover (3) that wraps the counter-die (1) forming a cylindrical sleeve around said counter-die (1). The cover (3) has a key (4) insertable into a slot (5) of the counter-die (1) for the fixing thereof around the counter-die (1). Additionally, the cutter blanket (2) comprises a bar (6) inserted inside the key (3) axially along its entire length, in such a way that the dimensions of the section of the bar (5) fit the geometry of the slot (5), and the bar (6) is peripherally coated by the same material of the cover (3). The bar (6) has higher hardness than the cover (3).

Abstract: A circular saw includes a cutting piece, a motor, a battery pack and an operating handle. The cutting piece is configured to cut a workpiece. The motor is configured to drive the cutting piece to rotate around a central axis. The battery pack is configured to supply power for the motor. The operating handle is used for a user to operate the circular saw. The motor, the battery pack and the operating handle are arranged at a same side of the cutting piece and are distributed substantially along a straight line. The battery pack is further arranged between the motor and the operating handle.

Abstract: An electric tool includes a functional piece, a motor, a case and a fan. The case includes a motor case portion. An airflow inlet and an airflow outlet are formed in the case. When the fan operates, an airflow at the airflow inlet is taken out and is directed to the airflow outlet after the airflow flows through the motor. The motor case portion includes an encircling portion which encircles the motor and an end portion arranged on one end of the encircling portion. The motor includes a stator, a motor shaft and a rotor. The stator is fixed relative to the case. The motor shaft is rotatably arranged in the case. The rotor surrounds the stator and rotates synchronously with the motor shaft. A stopping piece having a stopping portion is arranged at a first clearance between the rotor and the encircling portion. A projection of the stopping piece in a plane perpendicular to a rotating axis of the rotor is at least partially located outside a projection of the rotor in the plane.

Abstract: An alignment tool for connection to a work component and for use in aligning the work component with a work piece, wherein the work component has at least a first reference surface that extends in a first direction. The alignment tool includes a body having at least a first reference surface that extends in the first direction and having at least one work piece guide surface that extends in a second direction that is perpendicular to the at least first reference surface, and a clamp assembly connected to the body and extending in the second direction past the at least first reference surface of the body, wherein when the alignment tool is to be connected to the work component, the clamp assembly is movable to engage the work component and to draw together and hold in abutting engagement the respective first reference surfaces of the alignment tool and work component.

Abstract: The present disclosure relates, according to some embodiments, to methods and systems for impregnating wood with a polymer solution and products thereof. In some embodiments, the present disclosure relates to a method of processing a wood piece to generate a wood product, the method comprising: (a) placing the wood piece into a reactor having a chamber pressure of a vacuum environment; (b) exposing the wood piece to a polymer solution; (c) performing an iterative process where each cycle of the iterative process comprises a pressurizing period during which the chamber pressure is increased to an increased chamber pressure and a stabilizing period during which the chamber pressure is monitored to measure a chamber pressure decrease, if any; (d) when the decrease of chamber pressure during the stabilizing period is less than or equal to the certain threshold change, normalizing the reactor chamber to a normalized pressure; and (e) setting the wood piece to generate the wood product.

Abstract: A method for treating a ground-line area of wooden posts in use, that consists of burying a tank of treatment product in the ground next to the post, with a mechanism that automatically injects a certain quantity of said treatment product into the post, once per year. The driving agent allowing said injection can be a pressure generated within the device itself by various means, or electric current originating from a photovoltaic panel or a battery. The technique is non-invasive for the post, and offers the opportunity to choose a tank of required size, and the quantity of treatment product to be automatically injected into the post once per year. The technique is of particular interest for posts installed in built-up areas, because most existing techniques require the pavement to be broken so that the base of the post be exposed to be treated, and then rebuilt after treatment.

Abstract: A flail assembly for a debarking machine includes a flail shaft that is adapted to be rotated about a flail axis of rotation. Attached to the flail shaft is a flail chain that includes a plurality of interconnected links, at least some of which have a polygonal cross-section.

Abstract: Methods for preparing ceramic products using liquid infusion technology and products formed from the same are provided. The methods and products include the incorporation of a particulate material and binder between ceramic fibers such that the fibers may be properly spaced during formation of the ceramic product. Ceramic matrix composite products can thereby be provided using near net shaping methods.

Abstract: Systems and methods are described for finishing slabs. In an exemplary embodiment, a stone-cutting miter saw includes a support fixture that is configured to support a stone slab, a guide rail, and cutting and grinding heads movably supported on the guide rail.

Abstract: An adaptable mold includes a thermoform material that is able to manufacture different articles. The thermoform material may be brought to a transition temperature at which it may be formed into a first mold cavity for a first article. After using the thermoform material to mold the first article, the thermoform material may then be formed into a second mold cavity for a second article. The thermoform material may be a shape memory polymer able to return to a learned shape to aid in forming to a new mold cavity. The adaptable mold may use a fill material to provide compressive support to the thermoform material while molding.

Abstract: In an example, a mandrel for a composite part includes an upper-mandrel portion, a lower-mandrel portion, and a mid-mandrel portion between the upper-mandrel portion and the lower-mandrel portion. The mandrel also includes a cavity and an exterior surface defined by the upper-mandrel portion, the lower-mandrel portion, and the mid-mandrel portion. An actuator is movable in the cavity between a first position and a second position. The exterior surface can support the composite part. A perimeter of the exterior surface has a first length when the actuator is in the first position and the perimeter has a second length when the actuator is in the second position. The first length is greater than the second length such that the mandrel is in an expanded state when the actuator is in the first position and the mandrel is in a contracted state when the actuator is in the second position.

Abstract: To provide a resin mold which is excellent in adhesion to a substrate, excellent in release properties from a transfer material resin, further excellent in durability of the resin mold itself, and which endures repetition transfer to the transfer material resin, a resin mold of the invention is a resin mold having a fine concavo-convex structure on the surface, and is characterized in that the fluorine element concentration (Es) in a resin mold surface portion is the average fluorine element concentration (Eb) in the resin forming the resin mold or more.

Abstract: A method for building a mold and building a protective skin on a premade body. The surface of the premade body can be sprayed with a mold release agent and then coated with bedliner material.

Abstract: Provided is a method for producing a laminate, the method comprising: sewing a sheet using thread; impregnating at least part of the thread with liquid before, after, or during said sewing; and laminating a polyurethane foam layer to at least one surface of a sheet-type molded body that is obtained by said sewing and said impregnating, the method for producing a laminate being able to easily prevent leakage of polyurethane from sewed portions at low cost, in the step of laminating the sewed sheet-type molded body and the polyurethane foam layer.

Abstract: A method of press-shaping a handle grip includes the steps of: providing an unshaped handle grip having a body portion, a middle hole, and an end head; providing an insertion rod having a body insertion portion for being inserted into the middle hole of the unshaped handle grip; providing a lower die and an upper die which can be pressed together, wherein the lower die and the upper die have body cavities, respectively, for receiving the body portion of the unshaped handle grip, and escape cavities adapted to communicate with the body cavities, respectively, and receive, but not press against, the end head of the unshaped handle grip; pressing together, then heating, and finally cooling the lower die and the upper die; and performing a mold-opening process to take a shaped handle grip thus obtained.

Abstract: There is disclosed an in-mould labelling process for the manufacture of a labelled article comprising the steps of: feeding a labelstock web into a mould; forming an article in the mould such that the formed article contacts and effectively adheres to a label of the labelstock web; detaching the adhered label from the labelstock web; and removing the formed and labelled article from the mould.

Abstract: In order to improve manufacturing tolerances, a method for producing a positionable sealing profile for vehicle doors and a positioning method using sealing profiles with a positioning pin are proposed. In the production method in which a positioning pin is also injection-molded, at least two injection-molding processes are carried out before the tool is re-opened and/or without the sealing profile being alternatively reclamped in another tool. In the corresponding positioning method, the positioning pin may be moved against the stop and/or introduced into a recess, such that the positioning pin and thereby the sealing profile retain a defined position in relation to the tool.

Abstract: Provided is a production method for a bonded structure (100, 200) in which a first member (10, 10a, 10b, 10c, 10d, 30) and a second member (20) are bonded. The production method is provided with: a step for forming perforations (11, 11b, 11c, 11d, 31) with an opening in the surface (13) of the first member (10, 10a, 10b, 10c, 10d, 30) by irradiating the surface (13) of the first member (10, 10a, 10b, 10c, 10d, 30) with a laser in which one pulse is configured from a plurality of sub-pulses; and a step for filling and curing the second member (20) in the perforations (11, 11b, 11c, 11d, 31) of the first member (10, 10a, 10b, 10c, 10d, 30).

Abstract: An injection molding machine device and a pneumatic support mechanism, the injection molding machine device includes a rack, at least one guide rail fixed to the rack, at least two guide rods, a fixed mold base fixed to one end of the rack, a movable mold base arranged opposite to the fixed mold base, at least one pneumatic support mechanism, and a cylinder. Both ends of each guide rod are fixed to the rack. The movable mold base has at least two receiving holes for receiving the guide rods, and slides on the guide rods. The pneumatic support mechanism has a lower support plate positioned above the guide rail, and an upper support plate fixed to the movable mold base. At least one accommodating cavity is arranged between the upper and lower support plates to receive the cylinder. The height of the movable mold base is adjustable by the cylinder.

Abstract: A method for synthesizing polyacrylonitrile (PAN) polymer with a narrow molecular weight distribution is disclosed. The preferred PAN polymer has a PDI (Mw/Mn) of about 2 or less. Such PAN polymer is synthesized by controlled/living radical polymerization using a special RAFT (Reversible Addition-Fragmentation Chain Transfer) agent. Also disclosed is a method for producing carbon fibers from PAN polymer with low PDI.

Abstract: A head is disclosed for use with an additive manufacturing system. The head may include a housing, and a matrix reservoir disposed inside of the housing. The head may also include at least one roller located inside of the housing and configured to engage at least one of a ribbon and a sheet of reinforcement passing through the head. The head may further include a nozzle fluidly connected to the matrix reservoir, and a cure enhancer located outside of the housing and adjacent the nozzle.

Abstract: A fiber reinforced polymer part is fabricated by rastering a deposition head over a substrate, and additively forming part features by extruding a polymer having an entrained continuous reinforcement from the deposition head onto a substrate.

Abstract: A novel tubular or profile shapes of co-extruded multilayer polymers. These materials contain tens to thousands of layers of micro- to nano-polymer layers. These new shapes contain contiguous layers of milli- to nano-polymer layers in three dimensions and these contiguous layers may be twisted or turned to further expand the potential microlayer geometries.

Abstract: A forming tool is used, which has a tool trough arranged in a stationary manner and a pressure bell, which can be lowered onto and lifted away from the tool trough. An arrangement is created in which a single- or multi-layer, initially flat, flexible laminate separates the trough interior from the pressure-bell interior in a pressure tight manner. A table, on which the 3-D substrate to be coated is located, assumes a lowered position within the trough interior; there is a considerable, free intermediate space (between the laminate and the 3-D substrate. A radiant-heater assembly is inserted into said intermediate space. The radiant-heater assembly has a carrier, on the top side of which radiant heaters that can be activated are attached and on the bottom side of which radiant heaters that can be activated are attached.

Abstract: A balloon wrapping apparatus is disclosed by which a balloon can be accurately positioned and inserted in relation to a pleating section. The balloon wrapping apparatus for wrapping a balloon provided at a distal portion of an elongated shaft includes: a pleating section that forms the balloon with wing shapes; a folding section that folds the wing shapes formed in the balloon along a circumferential direction; a support base that supports a portion other than the distal portion of the shaft, and that makes the distal portion of the shaft insertable into the pleating section and the folding section; and a core metal member to be inserted in the shaft. The core metal member is inserted in the shaft from a distal end position of the balloon to at least the proximal side of a proximal end position of the balloon.

Abstract: A balloon wrapping apparatus and a balloon wrapping method are disclosed by which a balloon can be wrapped appropriately. The balloon wrapping apparatus for wrapping a balloon of a balloon catheter provided with the balloon at a distal portion of an elongated shaft includes: a pleating section that forms the balloon with wing shapes projecting in radial directions; a folding section that includes a plurality of blades aligned in a circumferential direction, and that folds the wing shapes formed in the balloon along the circumferential direction by moving rotationally the blades; and a rotational support portion that supports a portion of the shaft which portion is on a proximal side of the balloon, and that rotates the shaft in a direction opposite to a rotary movement direction of the blades in a state in which the balloon is positioned in relation to the folding section.

Abstract: An additive manufacturing device to obtain a three-dimensional object includes a printer extruder configured to print a filament of extruded material and a guide unit configured to translate the extruder along one or more translation axes. The device also includes a support that defines a support plane for the three-dimensional object. The support is rotatable around a rotation axis substantially orthogonal to said support plane. The guide unit is also configured to rotate the extruder around one or more rotation axes so as to confer corresponding degrees of freedom in rotation to the extruder.

Abstract: A continuous reinforcement is disclosed for use in additive manufacturing. The continuous reinforcement may include a plurality of continuous primary fibers oriented in a general axial direction of the continuous reinforcement. The continuous reinforcement may also include a plurality of secondary fibers interspersed with the plurality of continuous primary fibers and oriented generally orthogonal to the plurality of continuous primary fibers.

Abstract: The present technology provides a three-dimensional (3D) printing system for forming 3D objects. The system includes a base plate, a first nozzle, a second nozzle, and a curing agent. The first nozzle can be configured to form a base layer of an object on the base plate and to form a contour of a second layer of the object on the base layer with a first material. The contour defines a volume within the second layer. The second nozzle can be configured to at least partially fill the volume within the second layer with a second material. The contour of the second layer and the second material form the second layer. The curing agent can be configured to solidify the second material.

Abstract: [Object] In a method for producing a three-dimensional object using nozzles, at least a partial recovery is realized from an adverse effect caused by an abnormal nozzle that is abnormal in the amount of ejection. [Means of Realizing the Object] Over a lower layer (L1a), an upper layer (L1b) is formed in such a manner that hitting positions of droplets ejected from nozzles (6) are different from hitting positions of droplets ejected in forming the lower layer. In forming the upper layer, a droplet ejected from a recovery nozzle (E) hits a hitting position of a droplet ejected from an abnormal nozzle (A) in forming the lower layer. The amount of ejection from the recovery nozzle (E) is adjusted based on the amount of ejection from the abnormal nozzle.

Abstract: A shaped object manufacturing method for shaping a three-dimensional shaped object by layering a plurality of layers in a layering direction, in which a hollow containing region, which is a first region formed by layering a plurality of layers in the layering direction, and an upper shaping region, which is a second region formed by layering a plurality of layers in the layering direction on the hollow containing region, are formed, and a cross section of the hollow containing region at a position along the layering direction exhibits a plane including a plurality of holes at least when shaping of the shaped object is completed.

Abstract: A method of modifying or repairing a fluid conduit assembly includes scanning a sealing feature of a fluid conduit, the sealing feature including an abnormality, creating a 3D model of a sealing member configured to provide a fluid seal with the sealing feature, and utilizing the 3D model to form the sealing member via additive manufacturing. The method may include modifying the sealing feature of the fluid conduit to reduce or remove the abnormality and provide the sealing feature with modified dimensions. Scanning the sealing feature may include determining the modified dimensions of the sealing feature.

Abstract: A system for additively manufacturing a composite structure is disclosed. The system may include a print head configured to discharge a matrix-coated reinforcement, and a support configured to move the print head in multiple dimensions during discharging of the matrix-coated reinforcement. The system may further include at least one cure enhancer located offboard the print head, and a controller in communication with the support and the at least one cure enhancer. The controller may be configured to selectively activate the at least one cure enhancer to expose the matrix-coated reinforcement to a cure energy during discharging of the matrix-coated reinforcement.

Abstract: Methods and apparatus for additive manufacturing using extrusion and curing, and for multi-material spatially-modulated extrusion-based additive manufacturing are described, in which material composition and/or color can be varied locally to create abrupt transitions or controlled gradients, and in which objects may be fabricated from thermoset materials.

Abstract: An additive manufacturing system is disclosed. The additive manufacturing system may include a moveable support, and a print head connected to the moveable support. The print head may be configured to discharge a continuous reinforcement that is wetted with a liquid matrix. The additive manufacturing system may also include an auto-threader configured to thread the continuous reinforcement through the print head, and a controller in communication with the moveable support, the print head, and the auto-threader. The controller may be configured to selectively activate the auto-threader at a start of a manufacturing process.

Abstract: A system for additively manufacturing a composite part is disclosed. The system may include a vat configured to hold a supply of resin, and a build surface disposed inside the vat. The system may also include a print head configured to discharge a matrix-coated continuous reinforcement onto the build surface, and an energy source configured to expose resin on a surface of the matrix-coated continuous reinforcement to a cure energy.

Abstract: A system for additively manufacturing a composite part is disclosed. The system may include a support moveable in multiple dimensions, and a print head connected to an end of the support. The print head may have a first matrix reservoir configured to wet a continuous strand reinforcement, a first nozzle fluidly connected to the first matrix reservoir, and a first cure enhancer located to expose the continuous strand reinforcement to cure energy upon discharge from the nozzle. The system may also include an in-situ fiber-making apparatus configured to supply the continuous strand reinforcement to the matrix reservoir of the print head.

Abstract: Methods and apparatus for forming three-dimensional objects by photo-curing a photo-curing liquid polymer exposed to a radiation. The three-dimensional objects form by growth, due to the progressive curing of the photo-curing liquid polymer within the tank, in the space between a transparent base and a supporting plate. On the side of the transparent base facing towards the photo-curing liquid polymer, a membrane is arranged, said membrane being transparent to said radiation and being covered by a layer of liquid lubricant, which is released gradually by said membrane. The membrane is flexible, allowing it to bend or arch during formation of the three-dimensional objects when the supporting plate is raised.

Abstract: A system is disclosed for use in additively manufacturing a composite structure. The system may include a head having a nozzle configured to discharge a composite material, including a matrix and a continuous reinforcement. The system may also include a cure enhancer configured to enhance curing of the matrix, and a support configured to move the head during discharging to create a structure having a three-dimensional trajectory. The system may further include a cutting mechanism operatively mounted to at least one of the head and the support, and configured to sever the continuous reinforcement after discharge from the nozzle. The cutting mechanism may include a blade, and an ultrasonic energy source connected to the blade.

Abstract: The present invention provides an apparatus for driving a filament spool of a 3D printer, which rotates the filament spool for wounding a wire-shaped filament in a forward or reverse direction, including a driving motor installed between an extruder for discharging the filament wound on the filament spool toward a hot end nozzle side and the filament spool and configured to generate a driving force in the forward or reverse direction; a feed roller configured to receive the driving force of the driving motor and to transfer the filament wound on the filament spool to an extruder side or to wound back the filament of the extruder on the filament spool; a filament spool driving roller installed between the feed roller and the filament spool and configured to receive the driving force of the driving motor and to rotate the filament spool; and a torque limiter installed between the driving motor and the feed roller and configured to cause a gear on a filament spool side to idle and only a gear on a driving motor

Abstract: An additive manufacturing system is disclosed. The additive manufacturing system may include a matrix reservoir, a primary nozzle fluidly connected to the matrix reservoir, and a primary cure enhancer operatively connected to at least one of the matrix reservoir and the primary nozzle. The primary cure enhancer may be configured to direct a cure energy toward a tip of the primary nozzle. The additive manufacturing system may also include an auxiliary nozzle, an arm configured to mount the auxiliary nozzle at a trailing side of the primary nozzle, and a passage extending from the matrix reservoir to the auxiliary nozzle.

Abstract: A manufacturing method of a three-dimensional shaped object includes a first step of depositing powder to form a powder layer, and a second step of scanning and irradiating an energy beam to the powder layer to melt and then solidifying the powder layer to form a solidified layer. The energy beam is irradiated to the powder layer corresponding to a contour area and an inner-solid area inside of the contour area. The first and second steps are alternately and repeatedly executed. The energy beam is scanned such that an irradiation starting point of the energy beam for forming an upper solidified layer does not overlap with an irradiation starting point of the energy beam for forming a lower solidified layer in a view from a lamination direction.

Abstract: A device for applying powder layers across a substrate or atop an existing powder bed is disclosed. The device has particular utility in embodiments which are adapted for use in depositing powder layers for three-dimensional printing and as part of a three-dimensional printing apparatus. The device utilizes a conveyor belt to transfer powder from a powder reservoir and deposit it upon powder bed or other substrate. In some embodiments, the device utilizes a conveyor belt in conjunction with a powder deflector to transfer powder from a powder reservoir and deposit it upon powder bed or other substrate. In some embodiments the conveyor belt has a downwardly inclined section. In some embodiments, a downwardly inclined chute is used in conjunction with the conveyor belt.

Abstract: A method is provided for treating a surface of a molded part, produced in a 3D printing method, with a surface treatment means, wherein holding means are arranged on the molded part which enable a treatment of the surface in a treatment chamber, without the surface making contact with the walls of the treatment chamber. A corresponding method for producing a molded part in a 3D printing method is also provided, as well as the corresponding dataset for controlling a 3D printer, and a computer program product which determines a number of holding means on the basis of the geometry data of the molded part.

Abstract: Three-dimensional printer fabrication is improved by receiving a digital model of an object specifying two or more different build materials, prioritizing the different build materials with a ranking, identifying exclusive locations where a surface layer of the object has one of the build materials, generating an external structure for the object according to one or more design rules, matching a first build material of the external structure to a second build material of the object at each of the exclusive locations, the matching based on at least one shared property of the materials, generating tool instructions for fabricating the object and the external structure, the tool instructions including one or more selections between the first build material and the second build material based upon the ranking and the matching, and controlling the three-dimensional printer according to the tool instructions to fabricate the object and the external structure.

Abstract: An additive manufacturing (AM) system includes a dispensing unit that dispenses building material in a layer-wise manner to manufacture an object, a building tray receiving the building material dispensed, a camera capturing images of the building material dispensed, a processor processing output from the camera and a controller controlling operation of the dispensing unit and the camera.

Abstract: An example method for cooling a build volume is described. In one implementation, a heating mechanism is set to a temperature identified based on the build material information, and the build volume is heated using the heating mechanism for a time period identified based on the build material information.

Abstract: An apparatus for the transverse welding of a tape traveling in a machine direction, comprising: a stationary structure, a rotary structure rotatable with respect to the stationary structure about a rotation axis perpendicular to said machine direction, a plurality of welding units carried by said rotary structure and spaced apart in a circumferential direction, wherein each of said welding units comprises an inner welding element fixed relative to the rotary structure and an outer welding element cyclically movable with respect to the rotary structure between a release position and an operative position, and vice versa, wherein each of said outer welding elements during the movement from said release position to said operative position, and vice versa, performs an angular rotation movement about a respective radial axis perpendicular to said rotation axis, and a linear translation movement along said radial axis.

Abstract: The invention relates to a method for bonding two different plastics using a primer. The two plastics which are to be joined to each other have a weighted quadratic distance between the Hansen parameter (Ra)2 of more 22 MPa and the primer contains a polymer which has a weighted quadratic distance between the Hansen parameter (Ra)2 of less than 22 MPa to both of the plastics which are to be joined. The invention also relates to correspondingly bonded products.

Abstract: The invention relates to a method for welding two different polyolefin plastics using a primer, said primer containing at least one maleic anhydride graft polyolefin polymer. The invention also relates to correspondingly welded products.