B29C67/246

Container For Producing A Dental Synthetic Material Composition

The present invention relates to a container (100) for producing a self-curing or dual-curing dental synthetic material composition (200), which container comprises a deformable wall (101), having a first synthetic material component (103-1); and a second synthetic material component (103-2) for curing the synthetic material composition (200) or starting a curing reaction.

THERMOPLASTIC COMPOSITE ARTICLE AND MANUFACTURING METHOD AND USE THEREOF
20210023752 · 2021-01-28 ·

The present invention relates to a thermoplastic composite article and a manufacturing method thereof. The thermoplastic composite article provided by the present invention comprises a matrix zone and a functional zone. The matrix zone comprises a composite substrate and a coating, the coating covers a surface of the composite substrate, and the coating and the functional zone are obtained by a reaction of a coating composition comprising the following components: one or more polyisocyanates, and one or more H-active polyfunctional compounds, wherein the H-active polyfunctional compounds are preferably one or more polyols. The functional zone comprises a region of the coating which extends into the cut-out section of the substrate. The method for manufacturing the thermoplastic composite article provided according to the present invention is characterized by a simple process, high efficiency, a high yield and environmental friendliness; and the obtained thermoplastic composite article, especially an electronic product housing, can have good electrical signal transmission performance or structural components.

MANUFACTURE OF THREE DIMENSIONAL OBJECTS FROM THERMOSETS
20210016506 · 2021-01-21 · ·

A method for creating a three dimensional (3D) object from reactive components that form a thermoset product. In one embodiment, a method includes providing first and second reactive components that are effective to form the thermoset product. In one embodiment, the thermoset product includes a urethane and/or urea-containing polymer. In one embodiment, the first reactive component includes an isocyanate and the second reactive component includes a polyol having at least one terminal hydroxyl group, a polyamine having at least one amine that includes an isocyanate reactive hydrogen, or a combination of the polyol and the polyamine. In one embodiment, the first reactive component includes a prepolymer, and optionally the ratio of viscosity of the first and second reactive components is from 1:3 to 3:1. Also provided is a 3D object that includes a completely reacted thermoset product, and a thermoset system that includes a first and a second reactive component.

Method of molding outer layers about a subassembly without exposing the subassembly to prolonged heat and pressure
10894348 · 2021-01-19 · ·

Method of making golf ball comprising aligning thermoformed depressions with dimpled mold cups and applying sufficient heat and suction to the thermoformed depressions without exposing any preselected subassembly to the heat and suction to soften the polymeric material of each thermoformed depression and draw air outward from a volume located between an inner surface of the dimpled mold cup and an outer surface of the thermoformed depression to form a thermoformed pre-form half-shell having an outer surface with the size, shape and contour of the inner surface of the dimpled mold cup(s) and an inner surface with the size, shape and contour of the outer surface of a preselected subassembly. Afterwards, a preselected subassembly is loaded between a pair of thermoformed pre-form half-shells and molded under sufficient short-term heat and suction to form the golf ball. The thickness of each thermoformed depression and thermoformed pre-form half-shell may be tapered.

Method for producing a drive cable holder for a vehicle roof and component for a vehicle roof
20210001698 · 2021-01-07 ·

A method for producing a drive cable holder for a vehicle roof, which may have the steps of providing a component for the vehicle roof; positioning the component in a moulding tool; providing a guide tube for a drive cable; positioning the guide tube in the moulding tool; introducing a plastic into the moulding tool such that the plastic completely radially surrounds the drive cable at least in sections and such that the plastic comes into contact with a surface of the component; and thereby forming the drive cable holder which is secured to the component.

MONITORED MIXTURE AND DOSING HEAD
20210001525 · 2021-01-07 ·

The invention relates to a high-pressure mixing, dosing and recirculation head for injection or casting reaction molding, said high-pressure mixing, dosing and recirculation head comprising a head body, a mixing chamber, obtained in the head body wherein a valve element or mixing valve slides and in fluid communication with a supply duct, and a self-cleaning element comprising a scraping portion, said self-cleaning element being structured to slide in said supply duct, as well as comprising an apparatus for controlling and commanding mixing, supply and recirculation comprising a plurality of sensors and transducers mounted on board of the head body and of the components parts of the head connected thereto to detect and transform representative physical quantities of at least one operational status of said high-pressure mixing, dosing and recirculation head into electrical signals and an electronic control and storing system adapted to synchronously control and scan said sensors and transducers and adapted to receive and process said electrical signals indicative of said at least one operational status, at the beginning and during the operational phases of said high-pressure mixing, dosing and recirculation head to compare them with each other and with electrical signals representative of a predetermined reference operational status. The invention also relates to a high-pressure mixing, dosing and recirculation method for injection or casting reaction molding.

PROCESS FOR THE PRODUCTION OF COMPOSITE MATERIALS AT LOW TEMPERATURES
20200398501 · 2020-12-24 ·

A process for the production of composite materials at low temperatures, as well as a composite material obtained by the process and articles of manufacture comprising the composite material are provided.

Processes for producing filter cartridge assemblies and molded polyurethane elastomers
10851198 · 2020-12-01 · ·

Disclosed are processes for producing molded polyurethane elastomers and products, such as filter end caps, that include such elastomers. The elastomers are the reaction product of a non-foaming reaction mixture comprising an isocyanate-reactive composition and an organic polyisocyanate prepolymer with an internal mold release agent.

Additively manufactured hollow body component with interior curved supports

A hollowed body component made by additive manufacturing is disclosed. The hollow body has a longitudinal extent, an exterior surface and an interior surface, the interior surface having a first side and an opposing, second side. A first set of curved supports are curved along lengths thereof and extend between the first side and the opposing, second side to support the hollow body at least during the additive manufacturing thereof. Some embodiments include cooling passages open to the interior surface. Here, the curved supports extend between opposing pairs of passage-free spaces on the interior surface to support the hollow body at least during the additive manufacturing thereof. In one example, the component is an impingement insert for a hot gas path component.

MOLDING PROCESS FOR JOINING PREFABRICATED WORKPIECE SUBSTRATES INTO A WORKPIECE ASSEMBLY

A method of joining a first workpiece substrate and a second workpiece substrate is disclosed in which a local mold tool is positioned into contact with the first workpiece substrate and the second workpiece substrate. The local mold tool defines a mold cavity and encloses an edge portion of the first workpiece substrate and an edge portion of the second workpiece substrate such that the edge portion of the first workpiece substrate and the edge portion of the second workpiece substrate are contained within the mold cavity. Once the local mold tool is positioned, a liquid polymer molding compound is injected into the mold cavity. The liquid polymer molding compound is hardened in the mold cavity into a polymer joint that adheres the edge portion of the first workpiece substrate and the edge portion of the second workpiece substrate together.