Abstract: A printing head module includes a bracket, a locking mechanism disposed on the bracket and a printing head. The bracket includes a containing cavity and a supporter. The locking mechanism includes a pressing component fixed to the supporter, a locking component and an elastic component. The locking component pivoted to the pressing component such that the elastic component leans therebetween. The locking component has a first positioning portion. The printing head detachably disposed in the containing cavity includes a second positioning component. The first positioning portion is engaged with the second positioning component, so the elastic component is pressed to provide the locking component a restoring force away from the pressing component to confine the printing head between the locking component and the bracket.

Abstract: The invention provides a coextrusion feedblock. The feedblock has a flow adjuster comprising a plurality of independently rotatable adjustment segments. Actuators are coupled with respective adjustment segments of the flow adjuster, such that the segments can be rotated by operating the actuators. The invention also provides a coextrusion profiling insert assembly for mounting removably in a coextrusion feedblock.

Abstract: The present invention is directed to an apparatus for differential cooling of a plastic film tube. The apparatus and method includes the use of a blown film extrusion die that extrudes a plastic film tube upward. An air cooling system applies cooling air across one or more surfaces of the plastic film tube. One or more throttling valves are coupled to a pressurization pump that provides a pressurized working fluid, preferably water. The throttling valves are positioned to project the pressurized working fluid from outlets of the throttling valves towards circular arcs of the plastic film tube, the circular arcs of the plastic film tube being less than the circumference of the plastic film tube to provide a blown film tubular plastic film with controlled gauge variation.

Abstract: An automotive interior component including an airbag chute having at least one weld bar, and a pre-stressed instrument panel having a substrate layer for bonding to the weld bar. The pre-stressing provides tensile stress at weld bar bonding areas to reduce any deformation visible on an exposed surface of the instrument panel.

Abstract: A method for manufacturing an article made of a composite material including a polymer matrix reinforced by a fibrous structure, the method including: placing the fibrous structure on a substrate; forming a molding surface, covering the structure with a mating mold; and compacting the structure by moving the surface of the mating mold toward the surface of the substrate. The substrate includes a cylindrical portion and a wall positioned radially relative to the cylindrical portion, and the mating mold includes two portions that are mobile relative to one another and that are moved toward the axis of the cylindrical portion and towards the radial wall of the substrate, respectively. The method can be used for example for manufacturing a fan casing of a turbojet engine.

Abstract: A three-dimensional printing apparatus includes a tank that stores a liquid photo-curable resin; a base on which the tank is placed and which includes a light passage portion through which light passes; an optical device that is disposed below the base, includes a light source, and irradiates the resin with light emitted from the light source through the light passage portion; and a holder provided above the tank so that when lowered, the holder is immersed in the resin, and when raised, the holder lifts the cured resin. A front-rear length of the tank is longer than a front-rear length of the holder. A front-rear center of the holder is located rearward relative to a front-rear center of the tank, and a front-rear length between a front end of the tank and a front end of the holder is equal to or longer than the front-rear length of the holder.

Abstract: The invention relates to a method for producing of a form part, especially of a plane thin-walled fiber composite part, in a mold (1), comprising the steps: a) Providing of the mold (1), wherein the mold (1) comprises a cavity (2) with a nominal form volume (V) for inserting of a reactive mixture, wherein the cavity (2) is delimited by at least one cavity wall section (3) which is elastically deformable during the inserting of the reactive mixture and wherein the modulus of compressibility (K) of the cavity (2) is between 2,000 bar and 10,000 bar; b) Inserting of the reactive mixture into the cavity (2), wherein the reactive mixture is inserted with such a pressure into the cavity (2) so that the cavity volume is increased during the insertion of the reactive mixture due to elastic deformation of the at least one cavity wall section (3) above the nominal form volume (V); c) Letting solidify of the reactive mixture in the cavity (2); d) Demolding of the finished form part from the mold (1).

Abstract: An elastic coupling device for elastically connecting a damping mass like a gas generator to a motor vehicle part exposed to oscillations and/or vibrations, in particular an airbag module, in one embodiment comprising a rigid support ring facing the vehicle, at least one fixation piece like a rivet head, the fixation piece facing the damping mass and being made of a rigid material, and a spring body coupling the support ring and the fixation piece. The support ring and/or the fixation piece, respectively made of a plastic material, as well as the spring body, which may be made of an elastomer material, may be produced in a single manufacturing step by means of a two-component process, in particular by two-component injection molding.

Abstract: Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to applying the filament from the conduit nozzle.

Abstract: Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to drag the filament from the conduit nozzle.

Abstract: Polymeric pipe loaders and polymeric pipe loading methods are disclosed. A polymeric pipe loader may include a support frame, a positioning platform coupled to the support frame, and a vacuum lift mechanism coupled to the support frame, the positioning platform, or both. A polymeric pipe loading method may include extruding a length of polymeric pipe, cutting the length of polymeric pipe, receiving the length of polymeric pipe on a conveyor chain of a positioning platform, engaging the length of polymeric pipe with a vacuum lift mechanism, and transferring the length of polymeric pipe to a bundling cart.

Abstract: A tire mold has a tire molding surface. The tire molding surface is pressed against an outer surface of an uncured tire. A vent hole is provided in the tire molding surface. A surface of an outer edge region surrounding an opening of the vent hole is formed by a smooth surface. The smooth surface is smoother than a surface in a peripheral region of the outer edge region.

Abstract: The present disclosure relates to devices and processes for fabricating a multi-component optical system. A device is an integral mold comprising an attachment portion and a cup portion having a cavity, and the mold further comprises a first optical component. The cavity of the mold contains additional optical components to form a multi-component optical system blank. Another device is a multi-component optical system blank. A process for fabricating a multi-component optical system blank comprises providing an integral mold comprising a first optical component, adding at least a second optical component, shaping the mold after addition of an optical component, and shaping the resultant blank into an optical system. A further device is a multi-component optical system produced in a process disclosed herein.

Abstract: This invention discloses methods for generating one or both of an ophthalmic lens precursor with at least a portion of one surface free-formed from a Reactive Mixture. In some embodiments, an ophthalmic lens precursor is formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of Reactive Mixture.

Abstract: During the manufacture of slabs with a veined effect a liquid or powder coloring agent is deposited on the surface of a thin layer of starting mixture by means of at least one dispensing device (40) and the resultant mixture is supplied, falling freely, from one end of an extractor belt (30) forming the bottom of a mixture metering/distributor unit, following which the mixture is transferred, falling freely, onto a temporary molding support (14). This results in the production of slabs provided with veining extending through the entire thickness of the slabs and also visible along the whole edge of the slab, even after it has been machined.

Abstract: A system for impacting a flow of fluid onto a wire, a bundle of wires, coil of wires and/or cables or other electrical/electronic materials/components that are oriented in a tangle or loose coils etc., and having one or more outer covering materials, and methodology of its use to remove the one or more outer coverings.

Abstract: The current document discloses an apparatus and method that support manufacture of large 3D hollow objects or shells with thin walls including curved surfaces with high and low curvature change ratio and alleviate or significantly reduce the need for support structures. Further to this, introduction of support structures becomes a function of the curved surface curvature change ratio.

Abstract: A method, a device and a computer program for manufacturing a pre-insulated skeleton framing segment (1) for a building to be constructed, wherein an assembly (2) with a hollow space (14) is provided, to which a data carrier (40) is fitted including data from which a quantity of raw materials required for forming a foam insulation layer of a thickness (15) in the hollow space (14) can be determined, which quantity is calculated, and which raw materials are inserted in the hollow space (14), and foam and harden there during a period (T).

Abstract: A method of forming a flat composite charge into a contoured composite part reduces wrinkles in the part as the charge is being formed. Dies are used to form a portion of charge to the steepest contour of the part, while tension is maintained on the charge as the remaining portions of the charge are formed.

Abstract: Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to drag the filament from the conduit nozzle.