Abstract: Provided is a novel transparent adhesive material having low relative permittivity as well as excellent adhesive characteristics, whereby an olefinic polymer resin layer and an acrylic polymer adhesive layer can be suitably integrated. Suggested is a transparent adhesive material provided with an outermost surface layer containing an acrylic polymer (B) and a photocrosslinking initiator, and an intermediate layer containing an olefinic polymer (A), a crosslinking agent, and a photocrosslinking initiator, in which the intermediate layer contains a (meth)acrylate monomer as the crosslinking agent.

Abstract: The present invention discloses a process for preparing a homogeneous solution of a polymer and melanin. The present invention further discloses a process for preparation of fibers and films from said homogeneous solution.

Abstract: The present invention relates to an external cooling system for a molten film tube produced by a blown film tubular extrusion process, comprised of one or more enclosures with one or more respective cavities that directly receive a portion of cooling gas emanating from one or more associated cooling elements. Each enclosure includes a port containing a variable exhaust device and optional flow buffer, acting to maintain a pressure differential between the cavity and an adjacent inside volume of the molten film tube, adjustable to optimize molten film tube stability cooling element efficiency and spaced apart dimension between cooling elements. Additionally, at least one cooling element is provided, comprised of a divergent cooling element with a divergent cooling interface containing a cooling gas deflector spaced adjacent to the molten film tube and providing an expelled cooling gas.

Abstract: An additive manufacturing system including a base assembly and a tray assembly. The base assembly includes a build window, substantially transparent to electromagnetic radiation; a projection system configured to project electromagnetic radiation toward an upper surface of the build window; and a tray seat arranged around a perimeter of the build window. The tray assembly is configured to engage with the base assembly in an engaged configuration and includes: a tray structure defining a registration feature configured to engage the tray seat to locate an aperture proximal to the upper surface of the build window in the engaged configuration; and a separation membrane that is configured to laminate across the upper surface of the build window in response to an evacuation of gas from an interstitial region and configured to separate from the build window in response to injection of gas into the interstitial region.

Abstract: The invention relates to a method for producing 3D components, particulate material being applied in layers to a building platform in a closed build space and printing fluid being selectively applied, and these steps being repeated until a three-dimensional component is obtained, the relative humidity or the relative solvent concentration in the atmosphere in the build space being set to a selected value, and/or the temperature in the build space being set to a selected temperature.

Abstract: A method for producing a rubber member according to the present invention includes the steps of: supplying a rubber composition to a cylinder provided in an extruder; extruding the rubber composition to a downstream side of the cylinder while kneading the rubber composition in an internal space of the cylinder that includes a plurality of protruding members protruding from an inner wall surface of the cylinder; compressing the rubber composition at least once in the step of extruding the rubber composition to the downstream side; discharging a gas generated from the compressed rubber composition to outside of the cylinder; discharging, through a discharge outlet of the cylinder, the rubber composition after the gas has been generated; and molding the rubber composition that has been discharged through the discharge outlet into a predetermined rubber member shape.

Abstract: A method of molding a component includes the steps of providing a plurality of fibers, applying the fibers with a low temperature sizing to form a plurality of sized fibers, forming a preform from the plurality of sized fibers, placing the preform in a mold, and de-sizing the preform by heating the mold to an initial temperature that is sufficient to break down the low temperature sizing to a gaseous phase. A molding apparatus is also disclosed.

Abstract: A three-dimensional printing system is for manufacturing and post-processing a three-dimensional article. The system includes a housing, a blower, and a residue trap. The housing is for surrounding the three-dimensional article during the post process and includes an air inlet and an air outlet. The blower includes an inlet and an outlet. The outlet supplies pressurized air to the air emitting nozzle. The residue trap is coupled between the housing air outlet and the inlet of the blower. The air circulates around a loop from the blower outlet, to the air inlet of the housing, out of the air outlet of the housing, and to the inlet of the blower.

Abstract: A method and device for preparing karst caves based on 3D printing technology. The method includes the following steps: determining size of a sample according to test requirements, constructing a 3D karst cave digital model based on three-dimensional karst cave scanning result, and carrying out 3D printing by using alloy to form primary karst cave sample; preparing rock similar material mixture according to proportioning scheme; pouring mixture into sample mold while burying karst cave model into mixture according to position of a karst cave; curing sample together with mold at room temperature until rock similar materials get hardened, removing mold, curing formed karst cave rock sample at constant temperature and constant humidity and then baking or heating same by electrifying heating wire in alloy to form rock sample with hollow karst cave; and filling hollow karst cave with different fillings to form different type of karst cave sample.

Abstract: The honeycomb structure forming die includes a first die in which a central region on the side of a kneaded material discharging surface has a convex region projecting toward a downstream side in an extruding direction of a kneaded material, and a ring-shaped second die. In the first die, first kneaded material introducing holes are formed and latticed first slits are formed on the side of the kneaded material discharging surface of the convex region, and in the second die, there are formed second kneaded material introducing holes and latticed second slits communicating with the second kneaded material introducing holes, and the honeycomb structure forming die has a groove region where movement of the kneaded material is performed between the first kneaded material introducing hole and the second kneaded material introducing hole, in abutment surfaces of the first die and the second die.

Abstract: A method for recycling concrete mass in a slipform casting process, where the concrete mass is first cast and compacted with a slipform casting machine comprising a restricted cross-section to form a concrete product to be cast and at least one concrete mass tank for feeding concrete mass to the restricted cross-section, and the cast concrete mass is removed from areas of the fresh cast portion of the concrete product, wherein the removed fresh concrete mass is conveyed and dosed back to the at least one concrete mass tank of the slipform casting machine. The invention also relates to a system and a casting machine for implementing the method.

Abstract: A building apparatus for building a three-dimensional object includes: an inkjet head that ejects ink as a building material; a scanning driver that causes the inkjet head to perform a scanning operation of moving relative to the object being built; a flattening roller that flattens a layer of the ink; and an ink removal unit that removes, from the flattening roller, the ink that is scraped off by the flattening roller. The ink removal unit includes a flow channel formation unit that forms a flow channel of fluid that enables the ink adhering to the flattening roller to be removed by causing the fluid for removing the ink to flow out or flow in, and removes the ink from the flattening roller without scraping off the ink from the flattening roller. Hence, flattening the layer of the building material more appropriately.

Abstract: An apparatus and method configured to brake and/or dampen an imprint head.

Abstract: The present invention aims to provide a method for producing a porous gel-containing liquid that is inexpensive and excellent in homogeneity. The porous gel-containing liquid production method according to the present invention is a method including: a pulverization step of pulverizing a gel of a porous body, wherein the pulverization step is carried out as multi-stage pulverization including a plurality of pulverization stages.

Abstract: A method of forming a concrete panel that includes forming a concrete base with a plurality of holes, where the plurality of holes are distributed proximate to a perimeter of a casting surface of the concrete base, and securing casting rails along the casting surface of the concrete base to form a concrete panel form with a closed perimeter. The casting rails are secured using a plurality of anchors through the plurality of holes in the concrete base to couple the casting rails to the concrete base. A reinforcement device and/or an attachment device is introduced within the concrete panel form, and concrete is poured into the concrete panel form. After the poured concrete has solidified into a concrete panel, the concrete panel is removed.

Abstract: A method of producing a blown film with a controlled thickness profile, comprises the steps of: extruding molten plastic through an annular extrusion die; cooling the molten plastic using an annular blower around the extrusion die, positioning one or more sources of supplemental air at one or more desired circumferential positions about the annular extrusion die and adjacent to the extruded molten plastic, the annular blower and the one or more sources of supplemental air being operated to supply cooling air to the molten plastic between the annular extrusion die and the frost line where the molten plastic solidifies; and controlling the one or more sources of supplemental air to form one or more areas of increased thickness along a circumferential thickness profile of the blown film, the one or more areas of increased thickness having a thickness that is greater than an average thickness of the circumferential profile.

Abstract: Methods and apparatuses are disclosed to mold complex shapes using a cast mold technique. A catalyst-initiated urethane can be used for these complex shapes as there is little thickness restriction on any part dimension. Moreover, urethane, once chemically activated, can be poured into cast molds with various shapes. Due to the exothermic nature of urethane, when the curing chemical reaction takes place, metal molds can be fabricated from aluminum. Cast molds, made from aluminum, utilize elastomeric seals to account for coefficients of thermal expansion.

Abstract: Provided is a complex patterning device. The complex patterning device includes a patterning module, on which a master substrate including a master pattern that contacts and is separated from a target substrate and which forms a plurality of target patterns having a reverse image of the master pattern on the target substrate by applying a pressure onto the target substrate, and a punching module including a punching mold that contacts and is separated from the target substrate, in which the plurality of target patterns are formed, and which divides at least any one of the plurality of target patterns by applying a pressure onto the target substrate.

Abstract: A laser beam applying unit of a laser processing apparatus includes a laser oscillator, a condenser adapted to focus the laser beam emitted from the laser oscillator and apply the laser beam to a workpiece, and a liquid jetting apparatus disposed at a lower end portion of the condenser and adapted to jet a liquid to an upper surface of the workpiece. The liquid jetting apparatus includes: a transparent plate disposed at the lower end portion of the condenser and permitting transmission therethrough of the laser beam; a casing provided with a space defined by a ceiling wall composed of the transparent plate, side walls, and a bottom wall; an opening formed in the bottom plate, extending in a processing feeding direction, and permitting passage therethrough of the laser beam focused by the condenser; and a liquid supply section adapted to supply the liquid to the casing.

Abstract: A mold for forming a joint spacer device or a part thereof includes a rigid container body having a first perimeter profile delimiting a first molding surface configured to shape a first portion of the joint spacer or part thereof; and a rigid cover provided with a second perimeter profile delimiting a second molding surface configured to shape a second portion of the joint spacer or part thereof. The rigid container body and the rigid cover are removably engageable to each other, at the first and the second perimeter profile, so as to delimit a cavity corresponding to the external configuration of the joint spacer or part thereof. The mold includes a weakening system on the rigid container body and on the rigid cover, making them separable into parts to enable the extraction of the spacer device or part thereof, molded therebetween.