The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 06, 2026

Filed:

Feb. 22, 2022
Applicant:

Toray Industries, Inc., Tokyo, JP;

Inventors:

Tomohiko Nakamura, Nagoya, JP;

Hirokazu Iwata, Nagoya, JP;

Yota Okuno, Otsu, JP;

Itaru Asano, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 64/153 (2017.01); B33Y 80/00 (2015.01);
U.S. Cl.
CPC ...
B29C 64/153 (2017.08); B29K 2995/0094 (2013.01); B33Y 80/00 (2014.12);
Abstract

A method of manufacturing a 3-dimensional model object by a powder bed fusion method using a resin granular material, in which the resin granular material comprises a resin powder (A) and a flow aid (B), a sphericity of the resin powder (A) is 80 or more and 100 or less, the resin powder (A) has a D80 particle size of 60 μm or less and a D20 particle size of 1 μm or more, the flow aid (B) is contained at an amount of more than 0.01 part by mass and less than 5 parts by mass with respect to 100 parts by mass of the resin powder (A), and steps (a) to (c) are performed in this order repeatedly.


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