Abstract: Compositions for additive manufacturing applications are described herein which, in some embodiments, impart flame resistant and/or flame retardant properties to articles printed or formed from the compositions. The compositions may also impart desirable mechanical properties to the articles. In some embodiments, a composition comprises a sinterable powder or a thermoplastic polymer in an amount of 10-99 wt. %, based on the total weight of the composition, and an intumescent additive in an amount of up to 30 wt. %, based on the total weight of the composition. The intumescent additive comprises a phosphinate component and at least one of (a) a heptazine or melamine-derived component, and (b) a proton donor component.

Abstract: The present disclosure relates to a method of manufacturing a 3D printed object. The method comprises condensing solvent vapour on an outer surface of the 3D printed object. The 3D printed object comprises polymer and radiation absorber. The outer surface of the 3D printed object a) comprises pores that absorb the solvent and b) has a surface roughness, Ra, of greater than 5 ?m. The method also comprises dissolving a portion of the 3D printed object to tailor the surface roughness, Ra, of the 3D printed object to a value of from 0.5 to 4 ?m.

Abstract: Disclosed are a mould system and a clamping tong for securing a mould item part in a mould of a mould system. The clamping tong comprises: a primary tong segment comprising a primary clamping surface for applying clamping pressure on a clamping portion of a mould item part; a secondary tong segment coupled to the primary tong segment and comprising a secondary clamping surface for applying clamping pressure on a clamping portion of the mould. The clamping tong being configured to change between a clamping state and a release state, wherein the distance between the primary clamping surface and the secondary clamping surface in the clamping state is shorter than the distance between the primary clamping surface and the secondary clamping surface in the release state.

Abstract: A tool for the manufacture of foam parts includes walls enclosing a cavity corresponding to the shape of the foam parts to be manufactured, each wall having an inner surface adjacent to the cavity. At least one of the walls has at least one filamentary wall portion which includes at least one part of the inner surface of the respective wall, and which has layers of filamentary filaments running parallel to one another.

Abstract: The present invention relates to a pneumatic structure (10) comprising an inextensible body (12) defining at least a network of internal cavities (14), each cavity having a closed contour in at least one section of the cavity Each cavity being suitable for being pressurized so as to change the inextensible body from a rest configuration to at least one pressurized configuration, Inextensible body having, in each pressurized configuration, a macroscopic metric different from its macroscopic metric in the rest configuration, Each cavity being formed of at least two substantially rectilinear channels, each channel being fluidly connected to at least one of the other channels, the two said channels forming a heading change angle, Each cavity comprising at least one non-zero heading change angle, in particular at least three non-zero heading change angles.

Abstract: In an injection molding machine including a first nozzle and a second nozzle that injects resin into a mold from the first nozzle through the second nozzle, a distance between the second nozzle and the mold is changed with movement of at least the second nozzle in a first direction, and the second nozzle is displaceable in a second direction in a state in which the mold is fixedly secured relative to the first nozzle and the second nozzle is in contact with the first nozzle.

Abstract: A pressure receiving pin includes a fitting portion in a through hole of a fixed mold that communicates with a portion of an exhaust passage on an inlet side, a columnar distal end portion located coaxially with the fitting portion while closer to the exhaust passage that slides with respect to the through hole upon reception of molten metal, and an intermediate portion also located coaxially between the fitting portion and the distal end portion and that has a diameter smaller than a diameter of the distal end portion. An air supply device supplies air when a movable mold is opened such that the air passes through gaps formed between an outer peripheral surface of the intermediate portion and an inner peripheral surface of the through hole and between the distal end portion and the fixed mold, and flows out to the movable mold.

Abstract: Switchable magnet device, comprising: at least one magnet stack that is transferable between an interaction position in which the magnet stack is magnetically functionally connected to the formwork support, preferably to a magnetisable formwork support, preferably by contact with the formwork support, and a release position in which the magnetic functional connection between the formwork support and the magnet stack is reduced, preferably canceled. For simple lifting of the magnet device, the magnet device furthermore comprises a fluid-driven energy transmission mechanism that is coupled to the at least one magnet stack in order to transmit a force to the at least one magnet stack for at least partially transferring the at least one magnet stack from the interaction position into the release position.

Abstract: A laser oscillation mechanism of a laser beam irradiation unit has a first mode to break growing debris, a second mode to suppress generation of molten debris, and a third mode to break the growing debris and suppress generation of the molten debris. The laser oscillation mechanism includes a selecting part that selects any of the first mode, the second mode, and the third mode. The laser oscillation mechanism sets a repetition frequency with a first group being one unit in the first mode, and sets a repetition frequency with a second group being one unit in the second mode, and sets a repetition frequency with a third group being one unit in the third mode.

Abstract: A tool for use in making a solid aesthetic wall skin sheet by slush molding. The tool comprises a porous tool base, a flat screen attached to the base, and a patterned grid attached to the screen and base.

Abstract: A laser processing apparatus includes a laser oscillating mechanism for emitting pulsed laser beams. The laser oscillating mechanism includes a group setting section for establishing the number of pulsed laser beams to be applied to a workpiece until a time after which melted debris produced by the pulsed laser beams applied to the workpiece is solidified, and assigns the pulsed laser beams to a group, under conditions that, within a period of time which is shorter than a period of time in which the melted debris is produced, and within a period of time after which a plasma generated by the pulsed laser beam becomes extinct, a next pulsed laser beam is applied to the workpiece to sustain the plasma uninterruptedly to break growing debris, and a time interval setting section for establishing a time interval between the group and another group adjacent thereto.

Abstract: The present disclosure provides a method of manufacturing a battery cell cover coupled to a battery cell, the method including: injecting an injection-molded product into a mold at a predetermined injection pressure (PM), discharging the gas or air within a cavity at a predetermined discharge pressure (Pa) with a predetermined time difference while the injection-molded product is filled in the cavity within the mold; and curing the injection-molded product filled within the mold and separating a cured product in which the injection-molded product is cured.

Abstract: A method of replicating master molds used in the fabrication of microsystems having micron to millimeter sized features. Master molds are replicated using a polymer sheet, which is heated and melted onto an elastomeric mold fabricated from the master mold. The copy molds accurately replicate the geometries of the master mold, such as high aspect ratio features, microposts, and channels with slender sidewalls. The polymer sheet encases the elastomeric mold without the application of an external force, permitting copying without deformation of the features.

Abstract: Embodiments of the invention can accommodate multiple variations and goals of impressions, including but not limited to dental and orthodontic models. To adapt embodiments of the invention for multiple purposes, and to standardize the process, embodiments include a housing that allows for impressions to be suspended and/or sealed in the housing so that modelling material can pour up the impression, form a model base or some other type of design, and/or articulate the models if desired, without the need for or with reduced need for trimming and substantial reduction of time and use of modelling material (hereafter “MM”) like gypsum, stone, plaster, resin, etc. Embodiments allow models to be created and formed and articulated if desired. Professionals may pour up impressions, form base models, and, optionally, articulate models, allowing less waste, material, and use of time than traditional and current methods.

Abstract: A custom tool for forming a dental restoration in a mouth of a patient includes a first mold body providing for a customized fit with at least one tooth of the patient. The first mold body includes a portion corresponding with at least a first surface of the tooth and an interproximal portion corresponding with an interproximal surface of the tooth, the interproximal portion being of unitary construction. The first mold body is configured to combine with the tooth of the patient to form a mold cavity encompassing a first portion of missing tooth structure of the tooth.

Abstract: The present disclosure discloses a method for recycling a residue from MXene preparation, including the following steps: recovering a bottom residual sediment produced in preparation of MXene through etching in a minimally intensive layer delamination (MILD) method, mixing the bottom residual sediment with a molten polyvinyl alcohol (PVA) solution, and drying to prepare a Ti3C2Tx-Ti3AlC2/PVA composite film. The present disclosure can effectively utilize a residue from an MXene process to prepare a composite film with both excellent mechanical properties and electrical conductivity. The composite film has extremely-high sensitivity for stress-strain and prominent stability, and is suitable for flexible connection and sensing of biosensors, robots, or the like. The present disclosure has significant economic and environmental benefits, and is suitable for promotion and application.

Abstract: An ultrasonic-assisted permeation and homogenization molding device and method for frozen printing liquid drops are provided. The device includes an ultrasonic generator, a transducer and an amplitude-change pole. The ultrasonic generator generates 20 KHz low-frequency ultrasonic waves, and a flange plate is arranged on a pitch surface of the amplitude-change pole and connected with an outer cavity wall of the low-temperature molding chamber by threads. According to the ultrasonic-assisted permeation and homogenization molding method for frozen printing liquid drops, pre-paved molding sand particles are homogenized and distributed under ultrasonic vibration by adjusting the frequency of the ultrasonic generator in a sand paving process. When a pure water binder is sprayed, liquid drops are sprayed to the surface of premixed molding sand, and then permeate to the bottom of pre-cooled molding sand under the assistance of low-frequency ultrasonic waves to freeze and solidify.

Abstract: The disclosure includes a mold assembly, comprising a machinable first mold blank comprising a first hinge end and a first handle end located opposite the first hinge end, and a machinable second mold blank comprising a second hinge end and a second handle end located opposite the second hinge end. The first hinge end may comprise a first hinge slot, and the second hinge end may comprise a second hinge slot, both hinge slots located on inner surfaces of their respective mold blanks. The mold assembly may comprise a first hinge bracket detachably coupled to the first hinge slot and a second hinge bracket detachably coupled to the second hinge slot. A hinge pin may be detachably coupled to the first hinge bracket and the second hinge bracket, and the first mold blank and the second mold blank may be configured to rotate about the hinge pin.

Abstract: The disclosure relates to a formwork device for manufacturing a construction element, in particular a plate-shaped precast concrete element, said formwork device comprising a formwork element and a transport anchor for positioning within the construction element, the transport anchor having a connecting part for connecting a lifting device and a shear force part for introducing a shear force into the construction element, the transport anchor having a first connecting element for connecting the transport anchor to the formwork element and/or a second connecting element for connecting the transport anchor to a support element for supporting the construction element.

Abstract: With respect to a controller of an injection molding machine, the injection molding machine includes an injection member provided inside a cylinder to heat a molding material and an injection drive source to fill the molding material into a mold device by moving the injection member forward. The controller includes a limiting part that limits a movement of the injection member forward in a pressure-holding process of controlling an injection drive source so that an actual value of a filling pressure acting on the molding material from the injection member becomes a set value, and a determining part that determines an appropriateness of a setting to be used by the limiting part based on information of a sensor provided in the mold device.