Abstract: Method, server and storage medium for robot routing are provided. An operation area of the robot is gridded into a plurality of cells arranged in rows and columns. The method includes: planning, for the robot, a traveling path from a starting point to a destination point, where the traveling path is divided into a plurality of path segments; and reserving, one or more cells corresponding to a first path segment for the robot, where the first path segment is anyone of at least one among the plurality of path segments, in case that there is the deadlock phenomenon, refraining from reserving the cell for the robot, and re-checking whether the deadlock phenomenon is still present in the cell after a preset interval; and in case that there is no deadlock phenomenon, reserving the cell for the robot.

Abstract: A robot configured to navigate a surface, the robot comprising a movement mechanism; a logical map representing data about the surface and associating locations with one or more properties observed during navigation; an initialization module configured to establish an initial pose comprising an initial location and an initial orientation; a region covering module configured to cause the robot to move so as to cover a region; an edge-following module configured to cause the robot to follow unfollowed edges; a control module configured to invoke region covering on a first region defined at least in part based at least part of the initial pose, to invoke region covering on least one additional region, to invoke edge-following, and to invoke region covering cause the mapping module to mark followed edges as followed, and cause a third region covering on regions discovered during edge-following.

Abstract: An indication of a task to be performed in a network data center is received. A robotic manipulator of an autonomous robot is controlled to autonomously perform at least a portion of the task. It is determined that an assistance is required in performing an identified limited portion of the task. A notification of a request for the assistance is provided. A remote assistance from an operator in performing the identified limited portion of the task is received. Autonomous performance of the task is resumed after completion of the remote assistance for the identified limited portion of the task.

Abstract: A robot system and a control method of a robot are provided. A robot, a liquid application part, an application thickness measurement part and a control part are provided, the liquid application part being provided on the robot, the application thickness measurement part measuring an application thickness of a liquid applied by the liquid application part, the control part, in a case where the application thickness measured by the application thickness measurement part is greater than a predetermined thickness, driving the robot in a manner of moving the liquid application part closer to an application object, and in a case where the application thickness measured by the application thickness measurement part is less than the predetermined thickness, driving the robot in a manner of moving the liquid application part away from the application object.

Abstract: A control device includes a control section configured to control a motion of a robot arm using values detected by a plurality of distance sensors. The plurality of distance sensors include a first distance sensor and a second distance sensor disposed in a first direction orthogonal to the axial direction of a dispenser. The second distance sensor is disposed in a position further apart from the dispenser than the first distance sensor. The control section executes, on a robot, a first instruction for causing the robot to execute discharge of a discharge object by the dispenser when a distance acquired by the first distance sensor is a distance in a predetermined range and a distance acquired by the second distance sensor is a distance larger than the distance in the predetermined range.

Abstract: A safety device for machine tools, such as a panel-sizing circular saw or an edge-gluing machine, with a machining tool used for machining a workpiece supplied to the machine tool, comprises a detection device and a hazard reduction device. The detection device is designed to detect a hazardous situation of an operator of the machine tool and the hazard reduction device is designed to initiate a safety measure to reduce the risk of injury to the operator when a hazard signal characterizing a hazardous situation of the operator is received.

Abstract: A method of attaching a tip to a pipette, which is executed in a robot system, includes: making an end effector of a robot hold a pipette; bringing a vicinity portion of a distal end of the pipette into contact with or close to an edge of an opening formed in a base of a tip while tilting an axis direction of the pipette by a predetermined angle with respect to an axis direction of the tip; attaching the tip to the pipette by inserting the distal end of the pipette and the vicinity portion of the distal end of the pipette into the tip while raising the pipette such that the axis direction of the pipette is aligned with the axis direction of the tip; and separating the pipette and the tip attached to the pipette from the predetermined spot.

Abstract: A robot including: for at least one sub-part, at least one measurement electrode, at least one type of electrical polarization for polarizing the at least one measurement electrode at a first alternating electrical potential, and the at least one polarization type is also arranged in order to polarize at least one electrically conductive part of the outer wall of at least one sub-part, at an alternating electrical potential (VG), called guard potential, identical or substantially identical to the first potential, at a working frequency.

Abstract: Convenience and usefulness of a tele-existence system are enhanced taking notice of the possibility by collaboration of tele-existence and a head-mounted display apparatus. A movable member is supported for pivotal motion on a housing. In the housing, a driving motor and a transmission member for transmitting rotation of the driving motor to the movable member are provided. A state information acquisition unit acquires facial expression information and/or emotion information of a user who wears a head-mounted display apparatus. A driving controlling unit controls rotation of the driving motor on the basis of the facial expression information and/or the emotion information.

Abstract: Handling device for an apparatus for the additive manufacture of three-dimensional objects, which handling device is equipped to handle an additively manufactured three-dimensional object, comprising: a handling chamber, which comprises a handling chamber interior delimited by one or more handling chamber walls, wherein at least one handling chamber wall comprises an access opening allowing access, in particular for a user, into the handling chamber interior, wherein the at least one access opening is openable and closable via a thereto assigned sliding-door-like closure element, which is mounted such that it is slidingly movable in a vertical direction between an open setting, in which the sliding-door-like closure element opens up the at least one access opening, and a closed setting, in which the sliding-door-like closure element closes off the access opening, relative to the handling chamber wall comprising the access opening.

Abstract: A folding knife including a handle, a pivot axis, and a blade having a cutting edge. The blade is pivotably coupled to the handle such that the blade is pivotable relative to the handle about the pivot axis between a retracted position and an extended position. The cutting edge is exposed in the extended position and a portion of the blade is received within the handle in the retracted position. The folding knife further includes a bearing assembly for facilitating movement of the blade between the retracted position and the extended position. The bearing assembly includes a first bearing recessed within the blade and a second bearing recessed within the handle.

Abstract: A folding knife is provided with an opening mechanism having a traction surface to aid users in rotating the blade from the closed position to the open position and to assist with opening the folding knife. More specifically, the traction surface is located on an outer surface of the tang of the blade and extends outwardly from the handle when the blade is in the closed position.

Abstract: This disclosure describes systems, methods, and apparatus for a locking folding knife having a handle lock and a safety switch arranged around and rotatable around a pivot axis of the knife. In an engaged position the switch overlaps at least a portion of the handle lock and prevents it from moving into an unlocked position. A spring, such as a wire form spring, can be arranged within a pocket of the switch, and when the switch is moved between engaged and disengaged positions the spring can be compressed generating a rotational bias on the switch urging the switch toward either the engaged or disengaged position.

Abstract: A safety blade for use with a knife assembly comprises a blade body, a bade attachment having a cutting edge and a top edge opposite the cutting edge, a blade attachment having a first half and a second half connected together via a hinge and extending beyond the top edge of the blade body to define a clamshell for receiving the blade body, and a handle adaptor having a handle engagement portion for removably securing the blade attachment to a handle.

Abstract: An oscillatory linear actuator includes an electromagnet that changes a magnetic field periodically, a first movable body, a second movable body, a holder, and a coupling spring. The first movable body is disposed on one side in the first direction of the electromagnet, includes a permanent magnet, and acts on a target object. The permanent magnet reciprocates in a second direction intersecting with the first direction by the electromagnet. The second movable body is juxtaposed to the first movable body and reciprocates in the second direction. The holder holds the first and second movable bodies to provide space between the first and second movable bodies and the electromagnet and to allow the first and second movable bodies to move in the second direction. The coupling spring is disposed on one side in the first direction of the holder and couples the first movable body and the second movable body.

Abstract: A device including a razor hosting portion having a combination of one or more blades operable for removing unwanted hair; an elongated handle configured to be operable for increasing a reach of a user; a camera implement configured to capture an area serviced by the razor hosting portion; a lighting piece implement configured to illuminate the area serviced by the razor hosting portion; a first gripping area with a grip enhancing texture material; a swivel head section including a swivel head with a spherical portion configured to allow the razor hosting portion to move and contour in multiple directions; a support bracket configured to surround the swivel head spherical portion; and a support arm implement extending from an end portion of the handle implement, wherein the support arm implement is configured to engage the swivel head implement.

Abstract: A system for determining a level of debris accumulation in a region adjacent to at least one blade of a razor cartridge. The system includes a sensing unit to detect a measurement parameter which is one of an amount of light reflected from at least one area adjacent to the at least one blade, and an image of the at least one area adjacent to the at least one blade. A processing unit compares the detected measurement parameter to at least one reference threshold parameter and determines a level of debris accumulation in the at least one area adjacent to the at least one blade based on an amount of deviation of the detected measurement parameter from the at least one reference threshold parameter. Information regarding the determined level of debris accumulation is provided by at least one of a light indication, an aural indication, and a haptic indication.

Abstract: A liquid dispensing razor including a reservoir containing a shave care composition. The shave care composition comprises water; one or more lipophilic skin conditioning agents; one or more thickening agents including electrolyte sensitive polymers; one or more emulsifying agents; and one or more lubricants. The shave care composition is delivered to the skin by the razor to provide skin comfort and moisturization benefits during the shave. The combination of the chemistry in the razor results in step change in skin condition in consumer and technical skin moisturization benefits.

Abstract: A razor includes one or more blades that are directly or indirectly heated by RF energy. A control circuit is connected to and operates a high frequency (HF) generator and a HF power amplifier (HFPA) for generating radio frequency (RF) energy throughout a range of controllable power levels. The generated RF energy is guided by a wave guide from the HFPA to a resonance chamber (i.e., band pass filter cavity). The RF energy is radiated from the resonance chamber towards the one or more blades which absorb the RF energy, thereby causing the temperature of the blades to increase. An energy source provides the electric current required for operating the control circuit, the HF generator and the HFPA. In another embodiment, the RF energy is radiated from the resonance chamber towards a heating element that increases in temperature and heats the blades by thermal conduction.

Abstract: An adapter for coupling each of a razor handle and a razor cartridge together is provided. The adapter includes a cartridge engaging portion and a handle engaging portion. The handle engaging portion comprises at least one wall that defines a receptacle for receiving a razor handle and at least one handle protrusion extending from the at least one wall and configured to engage a central recess of a razor handle. The cartridge engaging portion is coupled with the handle engaging portion. The cartridge engaging portion comprises a stem that defines a first recess and a second recess for selectively engaging a first cartridge protrusion and a second cartridge protrusion and a tongue member slidably coupled with the stem and configured to contact a cartridge.

Abstract: A combination printer and cutting device for printing upon and cutting a web of media or tag stock into individual units. The device may cut vinyl, plastic, or RFID stock material as it moves through the printer in both back and forth directions. The device comprises a printer and a cutting apparatus that is further comprised of a carriage assembly and a movable cutter assembly. The cutter assembly is easily interchangeable and comprises a cutting element such as a wheel blade, and a pressure adjusting element for adjusting the amount of pressure applied by the cutting element to the stock material. Alternatively, the cutter assembly may be manufactured with a predetermined pressure load, but still permit an operator to adjust the depth of cut. The cutting apparatus is adaptable for use with both new and existing printers.

Abstract: A vehicle is wrapped by an adhesive film which is then slit by applying first tape to the vehicle having a longitudinally extending filament carried by the tape at a position spaced from the side edges. A second tape is applied over the film at the first tape body so as to bridge to each side of the filament and pulling the filament so as to tear through the film and the first ad second tapes body with the second tape applying a force to the film acting to reduce tendency of the film to pull away from the object during the cutting by the filament as the filament is pulled.

Abstract: A system for separating cut food products includes a flow inlet, a flow outlet, and at least one drum connecting the flow inlet and the flow outlet. The flow inlet may be oriented to direct the cut food product tangentially into the at least one drum. The flow inlet may be oriented to direct the cut food product into the at least one drum at a right angle to a longitudinal axis of the at least one drum. The at least one drum may be a plurality of drums including a first drum having the flow inlet and a second drum having the flow outlet. The system may include a passageway providing fluid communication from the first drum to the second drum. The passageway may include a tapered section. The flow inlet may be aligned with the flow outlet.

Abstract: A tool-holder column for a unit for converting a flat substrate that has two upper bearings (14, 16) each for supporting one end of an upper rotary tool (10), and two lower bearings (15, 17) each for supporting one end of a lower rotary tool (11), the flat substrate being movable longitudinally between the upper rotary tool (10) and the lower rotary tool (11), the bearings (14, 15, 16, 17) being vertically movable in opposite directions on either side of the longitudinal direction (L) of movement of the flat substrate, and a common drive for the bearings (14, 15, 16, 17) allowing the bearings (14, 15, 16, 17) to be moved simultaneously by one and the same distance in opposite directions, and including a screw device (25), the bearings (14, 15, 16, 17) being mounted one above another on the screw device (25) such that the rotation of the screw device (25) causes the linear movement of the bearings (14, 15, 16, 17) in opposite directions.

Abstract: A glass panel unit manufacturing method includes a punching step and a pillar mounting step. In the punching step, a punch punches at least one of a plurality of portions from a base material of a sheet to form at least one pillar. Each of the plurality of portions is surrounded by a corresponding one of a plurality of loop-shaped grooves in the base material. In the pillar mounting step, the at least one pillar is mounted on a surface of a first substrate including a glass pane.

Abstract: A tool device for a hand-held power tool, which can be operated such that the tool device is rotated about an output shaft of a tool-holding device, has at least one connecting device, which is detachably connected to an output shaft of the power tool. The connecting device is fastened to the tool-holding device so that a drive axis of the output shaft and a tool axis of rotation substantially coincide. The connecting device has a cut-out and at least one clamping wing, which at least partly bounds the cut-out in the radial direction of the tool axis of rotation and which is bounded substantially in the direction radial to the tool axis of rotation by a first bounding edge, which lies on a first bounding circle around the tool axis of rotation. The clamping wing extends at least substantially along a plane orthogonal to the tool axis of rotation.

Abstract: A system for cutting wide workpieces is presented having a track that extends a length between opposing ends and extends a width between a cutting edge and a non-cutting edge. One or more measuring bodies are connected to track and include a flexible measuring tape that extends outward from the rear side of the measuring body. The measuring bodies include a locking member that includes an arm connected to a rotating axle having a cam surface that pushes down upon a brake shoe that includes pads formed of a material having a high coefficient of friction that securely holds the measuring tape between the brake shoe on one side and a cradle on the other side. In this way, a system is presented that facilitates quick, easy and repeatable cuts on wide workpieces.

Abstract: A pole for supporting a cable. The pole includes a plurality of truncated cones arranged in a linear array to form the pole, wherein each truncated cone receives an adjacent truncated cone within its interior. Each truncated cone in the pole is formed from a veneer by moving the longitudinal edges of the veneer towards each other. A method of manufacturing the pole and various uses of the pole are also provided.

Abstract: The present invention relates to an improved method for impregnating a porous material, such as wood, more specifically a method in which an active ingredient to be deposited within the porous material is dissolved in condensed carbon dioxide and impregnated in the material.

Abstract: Disclosed is a reactor system for the modification of lignocellulosic materials. According to the invention, the system comprises a reaction vessel, a vacuum connection and an inlet and/or outlet connected to a gas flow loop connected to a heat exchanger and at least one fluid circulation device. Particularly, gas flow loop is arranged so as to allow gas circulation over the diameter of the reaction vessel. The gas flow loop preferably includes a gas distribution device, such as a distribution plate.

Abstract: A mold system for a modular telescoping barrier and method of construction provides barriers arranged in a telescoping configuration with tight tolerances. The barriers are constructed with an inner and outer mold subassembly, separated by a gap. A shape-adapted funnel pours mold filling into gap between mold subassemblies. When mold filling dries, the mold subassemblies are removed to access a barrier. Barriers are nested with other barriers having incrementally larger or smaller perimeters to achieve telescoping configuration. A base barrier with a support flange supports multiple barriers. The inner and outer subassemblies are made up of individual panels fitted together end to end, and at corners in a tight relationship. Reinforcing structures abut the panels to prevent panels from bulging. The narrow end of the funnels includes clamps that press inwardly on the panels to prevent bulging. A level and an agitating mechanism enable mold filling to be poured uniformly.

Abstract: A process for producing foamed thermoplastic polyurethane particles comprises the steps of a) melting a thermoplastic polyurethane in a first extruder (E1), b) injecting a gaseous blowing agent in a second extruder (E2), c) impregnating the gaseous blowing agent homogeneously into the thermoplastic polyurethane melt in a third extruder (E3), d) extruding the impregnated thermoplastic polyurethane melt through a die plate and granulating the melt in an underwater granulation device under temperature and pressure conditions to form foamed thermoplastic polyurethane particles.

Abstract: Systems and methods are provided for fabricating preforms for composite parts. One embodiment is a method of creating a preform. The method includes conveying a web of fiber reinforced composite material in a process direction, disposing fiber reinforced composite material atop the web, conveying the web and the tow in the process direction to a cutting tool, and cutting out a preform comprising a combination of the tow and the web.

Abstract: Systems for and methods of forming structural components, such as a spar cap (503), from layers of a fiber reinforced material obtained from rolls of the material are disclosed. The system comprising: a plurality of rolls (514) including a first roll (514a) and a second roll (514b) of the fiber reinforced material (504), the first roll has one or more first lines (530) printed thereon. The first lines indicating where the fiber reinforced material on the first roll is to be separated into a plurality of discrete first pieces (531-1) for forming the structural component (503). The fiber reinforced material on the second roll has one or more second lines (530) printed thereon. The second lines indicating where the fiber reinforced material on the second roll is to be separated into a plurality of discrete second pieces (531-2) for forming the structural component (503). The systems and methods achieve a substantial reduction in the amount of wasted material.

Abstract: A method of fabricating a woven fiber preform that is impregnated with a matrix-precursor resin, the resin, in the raw state, presenting a glass transition temperature Tg0, includes: impregnating yarns or strands with the resin; feeding a loom with the impregnated yarns or strands maintained at a temperature in the range Tg0 to Tg0+10° C.; and weaving the yarns or strands in the loom in order to obtain the resin-impregnated woven fiber preform.

Abstract: A fiber reinforced composite member molding apparatus includes a pair of molds for clamping prepreg formed of long carbon fibers impregnated with resin, induction heating coils for heating thermoplastic resin contained in the prepreg via the molds, and cooling passages for cooling the resin via the molds after the resin is melted, wherein the molds each have a design surface brought into contact with the layered prereg, the design surface being divided into a plurality of regions, and a plurality of cells provided along the design surface to be open at the back of the design surface and individually correspond to the regions of the design surface, the induction heating coils are arranged in the cells, and the cooling passages are formed in each of the molds to run along the design surface.

Abstract: Disclosed is an elastomeric bladder tool and related systems and methods. In one embodiment, the elastomeric bladder tool comprises an elastomeric inner layer substantially defining an inner cavity of the elastomeric bladder tool, an elastomeric outer layer substantially defining an outer surface of the elastomeric bladder tool, and a permeable middle layer positioned between the elastomeric inner layer and the elastomeric outer layer. The permeable middle layer has greater permeability than both the elastomeric outer layer and the elastomeric inner layer to allow for evacuating of gases that have entered the permeable middle layer.

Abstract: A hydraulic advancement/postponement assembly is operably coupled to a first ejector plate and to a second ejector plate. The hydraulic advancement/postponement assembly includes a first hydraulic cylinder having a first housing defining a first volume and a first piston, the first housing connected to the first ejector plate and the first piston connected to a fixed element. The hydraulic advancement/postponement assembly includes a second hydraulic cylinder disposed in fluid communication with the first hydraulic cylinder, the second hydraulic cylinder having a second housing defining a second volume and a second piston, the second housing connected to the first ejector plate and a second piston connected to the second ejector plate.

Abstract: An oven for cleaning molds, die nozzles and components for apparatuses for processing plastic materials in general, comprising a basket adapted to contain the molds to be cleaned, and a heating bell adapted to heat the molds contained in the basket, the bell can be moved away and upward with respect to the die-carrying basket in order to facilitate access to the die-carrying basket.

Abstract: A method for producing a thermoplastic combination film suitable for a composite glass pane, wherein the thermoplastic combination film includes at least one defined area, which is provided for a camera window or an HUD (head-up display) region that has a variable wedge angle, the method including providing a first thermoplastic film, producing a second thermoplastic film with a variable wedge angle, wherein the three-dimensional shape of second thermoplastic film is obtained by molding on a mold, and joining together the first thermoplastic film and the second thermoplastic film.

Abstract: A method for forming a vacuum insulated structure using a prepared core material includes preparing a powder insulation material defining a bulk density, pre-densifying the powder insulation material to form a pre-densified insulation base, crushing the pre-densified insulation base into granular core insulation to define a core density of the granular core insulation, disposing the granular core insulation having the core density into an insulating cavity defined within an insulating structure and expressing gas from the interior cavity of the insulating structure to further densify the granular core insulation to define a target density. The granular core insulation defines the target density disposed within the insulating structure defines the vacuum insulation structure, wherein the target density defines a density in the range of from approximately 80 grams per liter to approximately 350 grams per liter.

Abstract: The invention relates to a method of producing a sound proofing trim panel comprising the steps of providing an elastically compressible lower layer, heating the lower layer and placing it in a mould to shape it to form a spring layer of a spring-mass type damping system. The method further includes associating the lower layer with an upper layer, to form the mass of the spring-mass system. According to the invention, the lower layer comprises a blend of elastically compressible foam flakes forming at least 80 wt.-% of the lower layer and being mixed with binder fibres. The fibres comprising a core and a sheath that is fusible at a moderate temperature, and the flakes being bonded to one another by means of the fusing of the sheath forming a binder, such that the lower layer takes the form of a bonded foam.

Abstract: A molding method and a molding system for improving a molding speed of a resin molded member. In the method, firstly a thermoplastic resin composite material is filled in a metal mold (i.e., at time T0), and subsequently a mold-clamping process gets started. As the mold-clamping process progresses, a first decompression circuit starts to decompress an inside of a cavity when the cavity is closed by a sealing member provided on the metal mold. Then, as the mold-clamping process further progresses, the thermoplastic resin composite material thus filled in the metal mold contacts an upper mold of the metal mold (i.e., at time T2). After that, a second decompression circuit starts to decompress the inside of the cavity, thereby to complete the mold-clamping process (i.e., at time T3).

Abstract: Collapsible core devices, related methods and injection molding tools for use in injection molding processes, the core device configured to collapse upon rotation of a centrally disposed rotating shaft. In some aspects the core device includes a rotatable shaft, moveable outer wall components positioned radially from the shaft, a first disk operatively engaged with the shaft and having at least a first slot configured to receive a first pin connected to a moveable outer wall component, and a second disk secured in a fixed position and having at least a second slot configured to receive the first pin, such that rotation of the rotatable shaft causes the pin to slide within the second slot toward the shaft and causing the outer wall component to move toward the shaft.

Abstract: Lightweight and strong components may be manufactured using foam material compositions and resin coating materials by the processes described herein. One or more mandrels and/or a molding tool may be coated with resin coatings, the one or more mandrels may be inserted into the molding tool, and a foam material composition may be injected into the molding tool. After closing the molding tool, the foam material composition may expand and cure to form a component, and heat may be applied to cure the resin coatings into skins. For example, an external skin may be formed by the resin coatings on an exterior surface of the component in contact with surfaces of the molding tool, and one or more internal skins may be formed by the resin coatings on one or more interior surfaces of negative space spars of the component in contact with surfaces of the one or more mandrels.

Abstract: The invention relates to a method to embed a label essentially consisting of a paper substrate carrying electronic inks and/or a printed electronic circuit and/or device (thereby achieving a paper-based electronic circuit) directly into a moulded plastic piece (also designated as plastic object), the embedding of the paper-based electronic circuit and the production of the plastic piece being performed in a single operation. The invention thus also relates to a method to manufacture plastic objects embedding such label. The invention also concerns a plastic object encompassing a label essentially consisting of a paper substrate carrying electronic inks and/or a printed electronic circuit and/or device (thereby achieving a paper-based electronic circuit) embedded in the moulded plastic and in particular an object obtained by the method disclosed to prepare a moulded plastic piece.

Abstract: A method produces a foamed decorable support part for a motor vehicle, wherein a sheet with a base layer, an adhesive layer and a protective layer is laminated in an injection-molding process.

Abstract: A linear motion mechanism for moving an injection unit in the front-rear direction relative to a machine base supporting the injection unit includes: a pair of first linear guides configured to linearly move the injection unit relative to the machine base; and one or more pairs of second linear guides arranged on the rear side relative to the pair of first linear guides, and configured to linearly move the injection unit relative to the machine base.

Abstract: A system for manufacturing a shell for a batting helmet includes interchangeable mold-core portions configured to form a cavity for receiving molding material. The mold-core portions include a first base mold-core portion and a plurality of inner side mold-core portions configured to form an interior contour of the shell. The mold-core portions further include a second base mold-core portion and a plurality of outer mold-core portions configured to form an exterior contour of the shell. Mold-core portions are interchangeable, removable, and replaceable from an interlocked position relative to other mold-core portions. A method of manufacturing batting helmet shells includes selecting mold-core portions corresponding to various helmet shell configurations having various protective features, assembling the mold-core portions into a mold assembly, and providing molding material into a cavity in the mold assembly.

Abstract: An electrically-driven rotor iron core magnetic steel chamber dispensing device is introduced. Dispensing units each include a dispensing channel, dispensing head, plunger barrel, plunger and stop-injection opening pin. The dispensing channel is above the dispensing head and in communication with the dispensing head. The dispensing head is disposed at the top of the plunger barrel and in communication with the plunger barrel. The plunger is displaced in the plunger barrel to move up and down relative to the plunger barrel. The stop-injection opening pin includes a pin body disposed vertically, arranged beside the plunger barrel, and fixed to a lower mold from inside. A pin head portion is disposed at the top of the pin body. A barb is disposed between the pin head portion and the pin body. The pin head portion protrudes into the dispensing channel, allowing molten plastic in the dispensing channel to enter the barb.