Abstract: The present invention is directed to a water-based printing ink or coating composition comprising an acrylic resin emulsion and an epoxy ester resin dispersion. The present invention also provides a process for preparing the printing ink or coating composition comprising forming an emulsion of an acrylic resin having the general formula I by copolymerizing monomers in water, forming an epoxy ester resin dispersion by adding the epoxy ester resin to a solvent and combining the acrylic resin emulsion and the epoxy resin ester dispersion to provide the composition. Finally the present invention provides a process for preparing an article with a coating or an ink printed thereon which comprises applying the ink or coating composition to a surface of an article and drying the composition. The compositions exhibit a high degree of alkali resistance, acid resistance and/or water softener resistance.

Abstract: Disclosed is a thermoplastic polyolefin composition useful in automotive components comprising at least a polypropylene having a melting point temperature (Tm) of greater than 130° C. and a melt flow rate (230° C./2.16 kg) within the range from 10 g/10 min to 80 g/10 min; an amorphous ethylene-propylene copolymer comprising within the range from 40 wt % to 80 wt % ethylene derived units and having a melt flow rate (230° C./2.16 kg) within the range from 0.1 g/10 min to 20 g/10 min; and a propylene-based elastomer having within the range from 5 to 25 wt % ethylene derived units and having a Tm of less than 110° C. The composition only partially breaks or there is no break at ?29° C. (ASTM D256) with Notched Izod Force of between 10 to 40 ft-lb/in2 at 22° C. (533 to 2,132 J/m2), and between 1.0 to 12 ft-lb/in2 at ?29° C. (53 to 636 J/m2).

Abstract: An injection molding machine, which includes a safety door that can be opened and closed, is further equipped with a servo motor configured to open and close the safety door, a presence detector configured to detect whether or not an operator or object is present within a door operating space of the safety door or within a predetermined vicinal area of the safety door including the door operating space, and a controller configured to control the servo motor with a reference control amount in order to perform a closing operation of the safety door, and during a time it is detected by the presence detector that an operator or object is present, to cause a control amount that controls the servo motor in order to perform the closing operation of the safety door to decrease from the reference control amount.

Abstract: In an injection molding system, bolt position related information recognizing unit which recognizes an attachment position of a bolt for each attachment is provided. Based on the attachment position of the bolt, or the attachment position of the bolt and a phase of the bolt stored in the bolt position storage unit, bolt attaching and detaching unit attaches and detaches the bolt to and from the attachment. Thus, even if the position of the bolt varies in accordance with the attachment, it is possible to attach and detach the bolt by recognizing the attachment position of the bolt.

Abstract: An ultraviolet laser 3D printing device includes a thermostat, a laser head, a non-contact type temperature monitoring device, a scanning galvanometer, a processing platform, a powder laying device, a material to be processed, a computer control system. The device is configured to perform the following functions: presetting a processing temperature by the control system; during the processing procedure, the temperature rise condition of the processed object is monitored by the non-contact type temperature monitoring device and fed back in real time to the control system; and by recording the rise value of the temperature within a certain period, the system can obtain the absorption capability of the laser and the temperature rise degree of the processed material, so that the laser output power can be calculated according to the preset processing temperature value, and the laser power can be adjusted in real time to precisely control the processing temperature.

Abstract: Methods, systems, devices and apparatus for laser processing of transparent or partially transparent materials by focusing laser radiation on a surface of a material workpiece or inside the material workpiece and creating elongated processed regions with variable and controlled depth using focusing optical system with air-spaced optical components, forming three or more multiple focuses along the optical axis and compensating aberrations induced while light focusing inside the material workpiece. The focusing optical system can have an aplanatic design, with lenses made from birefringent materials combined with lenses from isotropic materials, or objectives, or zoom optical system, or waveplates.

Abstract: An extruder (1) includes a cylinder (2) and a screw (3), and one or more front vents (8a) are provided on the cylinder (2) upstream of a hopper (5) and downstream of a rear vent (7). The cylinder (2) is provided with, between the hopper (5) and the rear vent (7), a liquid supply device (9) for spraying water into the cylinder (2) to cool an interior thereof and a liquid discharge port (12) that is opened in a lower portion of the cylinder (2).

Abstract: A method for identifying an angular deviation in the orientation of a multi-nozzle extruder includes moving the multi-nozzle extruder in a first process direction to form a first extrusion material swath and moving the multi-nozzle extruder in a second process direction opposing the first process direction to form a second extrusion material swath. The method further includes identifying widths and heights of the swaths from scanned image data and identifying a component of angular deviation for the multi-nozzle extruder with reference to at least one of a difference between the first swath width and the second swath width and another difference between the first swath height and the second swath height.

Abstract: The present disclosure provides an interchangeable head for a fabrication system. The interchangeable head includes a fabrication module, a sheath for receiving and encasing the fabrication module a control system for controlling the fabrication module during fabrication of an object, and a coupling mechanism for securely attaching and detaching the interchangeable head to a carriage mounted to the fabrication system.

Abstract: A method for manufacturing a wound coil which has a stable appearance configuration with improved shape accuracy of a coating resin formed on the wound coil. A wound coil element is pressed into a holding jig including an elastic holding hole, and held therein such that an upper end of a coil is level with or lower than an upper end of the holding hole, and a gap G is present between an inner surface of the holding hole and the coil. Next, a flowable coating resin is supplied into the holding hole holding the wound coil element such that the coating resin is held without flowing away downwardly from the gap G, and the upper end 16a of the coil is buried in the coating resin. Next, the supplied coating resin is subjected to curing, thereby forming a wound coil.

Abstract: The present invention relates generally to using upconverting inks for producing highly-resolved patterns for, inter alia, security applications. More specifically, the present invention relates to the use of sols (inks) and printing processes that produce well-defined printed features consisting of polymers impregnated with luminescent upconversion nanocrystals. The patterns printed using such inks and processes may exhibit defined shapes, characters of text, and various other types of images.

Abstract: A method includes receiving torque data of a powder recoater operatively connected to an additive manufacturing system. The torque data includes torque data of the recoater when the recoater traverses a build area. Receiving torque data includes receiving force data from a plurality of load cells, each load cell operatively associated with a blade segment of a recoater blade assembly. The method also includes determining a quality of one or more of an additive manufacturing process and/or product based on the torque data.

Abstract: A system and method for the injection moulding of plastic material through a plurality of injectors each having a pin valve displaceable in a controlled fashion between a closing position and an opening position by a respective actuator of an electronic control type, in which there is provided prompt activation of a preset function of changing a color of the plastic material to be injected, actuated according to an optimized sequence which minimizes a number of moulding operations required to change the color.

Abstract: The disclosed embodiments are directed to a composition of an inverse emulsion acrylate ink for use in variable data digital lithographic image forming devices and methods for preparing and using the ink. The disclosed inverse emulsion acrylate ink includes an acrylate monomer, oligomer, polymer, or mixtures thereof that is a continuous phase, and water dispersed as an emulsion in the continuous acrylate phase. The disclosed inverse emulsion acrylate ink includes one or more of a color pigment component, a rheology modifying agent, a stabilizing agent, and a photoinitiator component. The water may be supplemented with a surfactant to lower a surface tension of the water.

Abstract: A system and method are provided for depositing a uniform layer of a dampening solution using a vapor deposition/condensation process or technique on a reimageable surface in an image forming device using a proposed variable data digital lithographic image forming architecture that transfers ink at an efficiency rate in excess of 95 percent. A reimageable surface is configured of a low surface energy surface component that directly accepts a vaporized dampening solution having a lower surface energy than the surface energy of the reimageable surface. A uniformity in the layer of condensed dampening solution on the reimageable surface is a product of the relative difference in the low surface energy of the reimageable surface and the lower surface energy of the dampening solution.

Abstract: A dampening water amount regulating apparatus 40 includes a plurality of air supply boxes 41 disposed in a line in an axial direction of a water transfer roller 8 and each defines one air blowing portion. The air supply box 41 includes a substantially U-shaped air passage 67 that allows air in an air supply chamber 57 to pass along an outer peripheral surface of the water transfer roller 8 and supplies the same into an air discharge chamber 60. A valve mechanism 44 that increases and decreases an air amount is provided at a midsection of the air passage 67.

Abstract: Negative-working, IR-sensitive dry printing plates utilize an oleophobic topmost layer, a nitrocellulose-based imaging layer ablatable by laser discharge, and a grained metal substrate with no heat-insulating layer intervening between the imaging layer and the substrate.

Abstract: Disclosed herein are methods for an ink-based digital printing system, comprising providing an imaging member a reimageable surface layer disposed on a structural mounting layer, the reimageable surface layer comprising a fluorosilicone elastomer and an infrared-absorbing filler comprising carbon black, and a plurality of surface defects on the reimageable surface layer, wherein the surface defects comprises carbon black exposed through the fluorosilicone elastomer of the reimageable surface layer. The method also comprises applying a coating of rejuvenating oil comprising an amino-functional organopolysiloxane to the reimageable surface layer, whereby at least a portion of the plurality of surface defects are coated by the amino-functional organopolysiloxane, thereby rejuvenating the imaging member.

Abstract: A three-dimensional object printer enables forming portions of an object with a material having a higher melting temperature and a lower coefficient of friction. The printer includes a member, a printhead, and an applicator. A controller operates the printhead to eject a first material having a first coefficient of friction toward the member and operates the applicator to eject a second material having a second coefficient of friction toward the member. The second material has a higher melting temperature and a lower coefficient of friction than the first material. The printer further includes a curing device. The controller operates the curing device to direct radiation toward the member to cure the first material. The second material is cured into the first material.

Abstract: An imaging member surface contains a swellable elastomer doped with a release oil. This aids in complete transfer of ink to a receiving substrate when a thin film of release oil forms upon the surface during application of pressure at the nip.