Hafner & Kohl PartmbB

[Problems] To provide a method for producing polypropylene-based resin foamed particles, a method for determining a polypropylene-based resin, and a method for producing a polypropylene-based resin, which include a recycled polypropylene-based resin and can suppress the deterioration rate of the physical properties of a molded article thereby maintaining the favorable physical properties of the molded article over a long period.[Resolution means] The method for producing polypropylene-based resin foamed particles includes a foaming step involving foaming a polypropylene-based resin composition containing a polypropylene-based resin and a foaming agent. The base resin is created using a recycled polypropylene-based resin (R). The blend amount of the polypropylene-based resin (R) in the base resin is 15 mass% or more. The melting point of the polypropylene-based resin (R) is lower than 160°C. The oxidation induction temperature T3 of the polypropylene-based resin (R), measured in accordance with ISO 11357-6:2018, is 220°C or higher.

A build material escapement assembly (300) for an additive manufacturing system (100) includes a base (302) defining a cavity (304) and an aperture (306) opening into the cavity (304), a diaphragm (312) extending across the aperture (306) and coupled to the base (302), and a retractable plate (316) disposed within the cavity (304) and coupled to the diaphragm (312). The build material escapement assembly (300) further includes a post (320) disposed within the cavity (304) beneath the diaphragm (312) and coupled to the retractable plate (316), the post (320) supported by the base (302) and movable with the retractable plate (316) between a retracted position and an extended position. The build material escapement assembly (300) further includes a drive assembly (328) coupled to the post (320) to move the post (320) between the retracted position and the extended position.

A passenger seat for a vehicle, particularly for an aircraft.

[Problems] To provide polypropylene-based resin foamed particles which include a recycled polypropylene and can suppress the deterioration rate of the physical properties of a polypropylene-based resin foamed molded article over time, thereby maintaining the favorable physical properties of the molded article over a long period.[Resolution means] The polypropylene-based resin foamed particles contain 50 mass% or more of a recycled polypropylene-based resin (R). The oxidation induction time t of the polypropylene-based resin foamed particles at 200°C, as measured in accordance with ISO 11357-6:2018, is 5 minutes or more and 360 minutes or less.

A method for manufacturing a three-dimensional object via volumetric printing.

The present disclosure generally relates to separating solid particles from an airflow in a gas turbine engine. A system for separating debris includes a first separation device in fluid communication with an inlet flow path of a compressor and a second separation device in fluid communication with an outlet flow path of the compressor and an inlet flow path of a combustor. The first separation device is adapted to remove coarse particles from the airflow. The second separation device is adapted to remove fine particles from the airflow. The course particles have a larger mean particle diameter than the fine particles.

A screen cylinder includes a profiled bars aligned longitudinally and coupled to at least one support ring. Each of the profiled bars includes an outer surface facing away from the support ring, a first slot surface extending from the outer surface to the attachment end, and a second slot surface opposite the first slot surface and extending from the outer surface to the attachment end of the profiled bar. The first slot surface of one profiled bar and the second slot surface of another immediately adjacent profiled bar define a slot. The profiled bars include a hardened layer integral with or disposed on at least a portion of the first slot surface of the profiled bar. The hardened layer may have a Vickers hardness greater than the hardness of the base metal.

A recoater assembly (118) is movable across a working surface (116) in a forward stroke and in a return stroke and includes a powder plow (152). One or more actuators (160) are coupled to the powder plow (152) and are actuable to provide vertical movement of the powder plow (152) with respect to the working surface (116). A controller (124) is operable to control the one or more actuators (160) to maintain the powder plow (152) in a retracted position during the forward stroke, lower the powder plow (152) to an extended position when the powder plow (152) is at or near a return area, enable the powder plow (152) to be lifted from the extended position to a partially retracted position a predefined vertical distance from the working surface (116), and maintain the powder plow (152) in the partially retracted position while traversing a portion of the working surface

A system for querying a federated data store includes a metadata knowledge graph describing the contents and relationships among one or more underlying data stores, an interactive user interface receiving requests from a data consumer, a predefined constrainable query ('nodegroup') store containing predefined constrainable queries that define data subsets of interest across one or more of the underlying data repositories, a knowledge-driven querying layer generating and executing queries against the federated data store and merging responsive results, a scalable analytic execution layer receiving the search results from the federated data store and applying machine learning/artificial intelligence techniques to analyze the results, and a user interface presenting visualizations of raw or analyzed results to the consumer. A method and a non-transitory computer-readable medium are also disclosed.

An apparatus (156) may include one or more processors (154), and memory (158) comprising machine-readable instructions that, when executed by the one or more processors (154), cause the apparatus (156) to receive a plurality of images of a particulate (114) on a build plane (112) of an additive manufacturing system (100) captured by a camera (136) while one layer of the particulate (114) is exposed to an energy beam (132) of the additive manufacturing system (100), and combine the plurality of images to generate an image of a melt pool trajectory of the one layer of the particulate (114).