Abstract: A method and the device are used to control valves. The valves are arranged in the region of lines for a fluid. At least one first valve is in the form of a control valve arranged in the region of a primary line. At least one second valve is in the form of a switching valve. At least one branch is arranged downstream of the control valve in the region of a direction of flow. At least two secondary lines extend downstream of the branch. Each secondary line has one of the switching valves. The valves are connected to a control unit which coordinates the function of the valves.

Abstract: A method for post-treating a three-dimensional object produced by selectively solidifying, layer by layer, of a building material in powder form and/or post-treating unsolidified building material in which the three-dimensional object is embedded. The three-dimensional object and/or the unsolidified building material may be treated with a liquid. The liquid may comprises a liquid carrier substance and at least one further substance that reduces surface tension of the carrier substance.

Abstract: A method of hydraulically blow molding a container from a preform using a liquid end product as a liquid blow medium. The method includes the steps of hydraulically blow molding a formed and filled container from a preform using the liquid blow medium and engaging a fluid tight seal with the container while the container is retained within a mold in the forming station. The engaging of the seal includes engaging an axially extending ring of the seal in one of a press-fit or frictional engagement with an inner surface of the container such that the seal is retained on the container by that engagement.

Abstract: A method of detecting and compensating for a non-operational mold cavity in an injection molding apparatus having a plurality of mold cavities and an injection molding screw or ram includes injecting, via the injection molding screw or ram, a molten thermoplastic material into the plurality of mold cavities. The method includes measuring a first process parameter of the injection molding apparatus at a pre-determined time during or after the injecting. The method also includes determining, based on the first process parameter, whether one or more mold cavities of the plurality of mold cavities are non-operational. Then, when it is determined that one or more mold cavities are non-operational, the method includes automatically adjusting the first process parameter or a second process parameter of the injection molding apparatus.

Abstract: A container production method by liquid blow molding has a liquid blow molding step of supplying a pressurized liquid into a preform disposed in a metal mold to mold the preform into a container having a trunk that has a flat shape in a plan view and holds the liquid; and a transferring step of taking the container out from the mold and transferring the container in an approximate short axis direction of the trunk.

Abstract: A method of forming a cut in a polymeric component includes providing a blade assembly including at least one blade, and a mandrel. The mandrel includes a rigid portion and a conformal support ring. The conformal support ring includes a material softer than the material forming the blade. A polymeric component is located between the mandrel and the at least one blade. The polymeric component is cut via the at least one blade. The at least one blade extends into the conformal support ring after the at least one blade has penetrated through the polymeric component.

Abstract: A controller for an injection molding system is in communication with a melt flow control unit, a gas assist control unit, and a gas counter pressure control unit. The controller can effect real-time adjustments to gas assist pressure and/or gas counter pressure as a function of melt pressure or flow front position.

Abstract: A stent for repairing post-anastomasis (e.g., bariatric) surgery leaks is formed by an elongated tube having a proximal flare-shaped flange, an enlarged middle section, and a distal flare-shaped flange, where an exterior surface of the elongated tube is substantially covered with a polymer.

Abstract: An injection-molding system includes an extruding system configured to produce a mixture; a discharging channel communicable with the extruding system and including an outlet configured to discharge the mixture; and molding devices configured to receive the mixture. Each of the molding devices includes a hollow space, and a feeding port communicable with the hollow space and engageable with the outlet. An injection-molding method includes providing an extruding system configured to produce a mixture, a discharging channel including an outlet, and first and second molding devices; engaging the outlet with the first molding device; injecting the mixture into the first molding device; disengaging the outlet from the first molding device; moving the discharging channel away from the first molding device and toward the second molding device; engaging the outlet with the second molding device; injecting the mixture into the second molding device; and disengaging the outlet from the second molding device.

Abstract: A footwear article forming process, and a device for the same are disclosed. The process includes: providing a forming mold set including an outer modular mold, an inner formation mold, and a footwear-forming space therebetween. The footwear-forming space comprises a footwear lower portion forming space and a footwear main portion forming space. Footwear article forming steps are as follows: injecting a pre-determined amount of a footwear main portion rubber material into a footwear main portion sprue channel, the footwear main portion rubber material being injected from a footwear main portion rubber injection opening into the footwear main portion forming space via a transfer injection channel; and placing a footwear lower portion rubber material into the footwear lower portion forming space.

Abstract: In example implementations, an apparatus includes a storage unit, an auger screw, a housing enclosing the auger screw and at least one heater coupled to the housing. The auger screw receives a build material from the storage unit and delivers the build material to a build platform via movement of the auger screw. The build material is heated by the at least one heater as the build material is being moved by the auger screw.

Abstract: An injection molding machine includes a screw inserted in an injection cylinder and configured to be movable in an axial direction of the screw, a motor configured to move the screw, a torque detection unit configured to detect a torque of the motor, a position detection unit configured to detect a position of the screw, a motor drive control unit configured to drive the motor to thereby advance the screw to a foremost position in a direction of injection, a processor, and a memory. The processor and memory are configured to determine that unmelted resin remains inside the injection cylinder if the torque of the motor becomes equal to or greater than a limit torque while the screw is advancing to the foremost position.

Abstract: A conveying device for conveying a viscous material from a container includes a follower plate that can be inserted into the container, and a pump by means of which the viscous material can be conveyed through the follower plate. Moreover, a measuring chamber for accommodation of a measuring sample of the viscous material is provided. The measuring chamber includes a closable material inlet opening for this purpose. A closable disposal line leads away from the measuring chamber. Moreover, a closable material return line extends from the measuring chamber via the follower plate into the container. The conveying device also includes a controller that is designed and can be operated appropriately such that it determines the compressibility of each of multiple measuring samples. The controller opens the disposal line or the material return line to the measuring sample present in the measuring chamber as a function of the compressibility thus determined.

Abstract: A control device for an injection molding machine including a cylinder into which a resin is supplied and a screw that moves forward and rearward and rotates inside the cylinder, includes a metering control unit that performs metering of the resin inside the cylinder by controlling forward rotation and rearward movement of the screw until the screw has been moved rearward to a predetermined metering position, based on predetermined metering conditions, a rearward movement speed acquisition unit acquiring a rearward movement speed of the screw, a speed determination unit that determines a suck back speed for causing a resin pressure to reach a target pressure, based on the rearward movement speed acquired during metering by the rearward movement speed acquisition unit, and a suck back control unit causing the screw to move further rearward based on the suck back speed, after the screw has reached the predetermined metering position.

Abstract: A retractable purging mechanism is preferably comprised of a bracket that is connectable to a 3D printer. An actuatable shaft is secured to the bracket and the shaft engages a rocker arm, which in turn engages a collecting tray and moves the collecting tray from a first position to a second position. The collecting tray is adapted to receive a material that is discarded when, for example, a different print colour is used in 3D printing. A sweeper is also provided, the sweeper connected to the collecting tray to remove the material from the collecting tray.

Abstract: A zipper with at least one curve includes a first tape and a second tape, and interlocking elements attached to the first tape and the second tape, wherein the first tape and the second tape are curved, and wherein a curve of at least one of the tapes was caused by compaction of that tape.

Abstract: A double dump valve apparatus has the doors flap open in opposite horizontal orientations and directions.

Abstract: Three-dimensional (3D) printed fluoropolymer-based energetic compositions are made using 3D printing methods. The 3D printed fluoropolymer-based energetic compositions comprise a fluoropolymer and a reactive metal or metal oxide. The total weight percentage of the fluoropolymer and the reactive metal or metal oxide is 70-100% of the 3D printed fluoropolymer-based energetic composition, and the weight percentage of the reactive metal or metal oxide is 5-85 wt % of the total weight of the 3D printed fluoropolymer-based energetic material. The 3D printed fluoropolymer-based energetic material has a thickness of at least 200 ?m.

Abstract: A mould for forming a collapsible container from an expandable material, the container comprising, at least a base and two pairs of a side walls extending at right angles from opposing sides of the base, the mould comprising: a first mould member and a second mould member movable with respect to each other between an open and a closed moulding position to define a mould cavity; and a plurality of anvils mounted on a rear surface of at least one of the first mould member and/or second mould member, each anvil being movable so as to be extended into the mould cavity so as to form one or more hinges in the expandable material at predetermined locations within the mould cavity; wherein the mould cavity defined by the first mould member and the second mould member is a three-dimensional representation of an inside-out configuration of the assembled container.

Abstract: Systems and approaches for controlling an injection molding machine and a mold forming a mold cavity and being controlled according to an injection cycle. The systems and methods include analyzing a model of at least one of the injection molding machine, the mold, and a molten material to determine initial values for one or more control parameters of the injection molding machine, and executing a run of injection cycles at the injection molding machine; measuring operation of the injection molding machine during a particular injection cycle of the run of injection cycles; determining one or more operational parameters exceed a threshold; and upon determining that the one or more operational parameters exceed the threshold, adjusting the one or more control parameters for subsequent injection cycles of the run of injection cycles.