Aspect Inc.

Mitsubishi Electric Corporation

Masashi Hagiwara

Kenji Goto

Koki Yoshimoto

Atsushi Takami

Masaharu Shiraishi

Yusaku Nagasaki

Masahiro Sassa

Yusei Kimura

A resin powder for three-dimensional molding includes ethylene-propylene copolymer particles. The volume average particle size of the ethylene-propylene copolymer particles is within a range of 5 to 200 μm. The ethylene content molar ratio (ethylene/(ethylene+propylene)) in the ethylene-propylene copolymer particles is within a range of 0.001 to 0.04. The melt flow rate (MFR) is within a range of 3 to 40 g/10 min at 230° C.

Resin powder for three-dimensional molding, three-dimensional molded article, and method for producing three-dimensional molded article

A course control device includes: an information acquisition unit to acquire information via any of wireless devices arranged along a track from a first station to a second station; and a course control unit to control the course of a course control target train based on the information acquired by the information acquisition unit. The course control unit prevents the course control target train from proceeding to the course in at least one of a case where at least one of the wireless devices is in a failure state, a case where an on-board device that is mounted in a preceding train preceding the course control target train on the track and controls the preceding train based on information acquired via the wireless devices is in a failure state, and a case where the preceding train is in a stationary state between the first station and the second station.

Course control device, wireless train control system, on-board device, course control method, and recording medium

When it is determined that a control-target train has an impact on a third train that is other than a train that is determined to affect the control-target train, a ground running control unit of a train-running management device further changes a running pattern and instructs the control-target train to take less time to completely leave a departure station.

Train-running management device

A powder rapid prototyping apparatus includes a decompressable chamber, a thin layer forming section which supplies powder material from a powder material housing container provided in the chamber to form a thin layer of the powder material, an energy beam source for heating which outputs energy beam for heating which sinters or melts and models the thin layer of the powder material, and a control section which controls the modeling, wherein the control section exposes the powder material to the decompressed atmosphere before starting modeling, and houses the powder material in the powder material housing containers in a divided manner.

Powder rapid prototyping apparatus and powder rapid prototyping method

A powder sinter layered manufacturing apparatus is provided with a first containerof a cylindrical shape for defining a first manufacturing region, a first manufacturing tableconfigured to move vertically along an inner wall of the first container, a second containerof the cylindrical shape for defining a second manufacturing region within the first manufacturing region, detachably fitted to the first container easily, and provided with a flange which covers an upper face located outside the second manufacturing region but inside first container, and a second manufacturing tableconfigured to move vertically up and down along an inner wall of the second container

Growing community of inventors

Tokyo, Japan

Masashi Hagiwara