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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.

Patent No.:

US 10828827 B1

PDFFull Text
Date of Patent:
Nov. 10, 2020

Filed:

Sep. 29, 2014

Powder material for three-dimensional object formation, hardening liquid and three-dimensional object formation kit, and formation method and formation apparatus of three-dimensional object

Applicant:

Ricoh Company, Ltd., Tokyo, JP;

Inventors:

Teruki Kusahara, Shizuoka, JP;

Masaki Watanabe, Shizuoka, JP;

Keiko Osaka, Kanagawa, JP;

Mitsuru Naruse, Shizuoka, JP;

Mariko Kojima, Tokyo, JP;

Yasuyuki Yamashita, Shizuoka, JP;

Yoshihiro Norikane, Kanagawa, JP;

Assignee:

RICOH COMPANY, LTD., Tokyo, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Christopher D Rodee

Int. Cl.
CPC ...
B29C 64/153 (2017.01); B29C 64/165 (2017.01); B33Y 70/00 (2020.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B28B 1/00 (2006.01); B28B 7/46 (2006.01); B22F 1/00 (2006.01); C04B 20/10 (2006.01); B22F 3/00 (2006.01); C04B 26/04 (2006.01); B22F 3/105 (2006.01); C04B 111/00 (2006.01); B29K 29/00 (2006.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
B29C 64/153 (2017.08); B22F 1/0062 (2013.01); B22F 1/0074 (2013.01); B22F 3/008 (2013.01); B22F 3/1055 (2013.01); B28B 1/001 (2013.01); B28B 7/465 (2013.01); B29C 64/165 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 70/00 (2014.12); C04B 20/1033 (2013.01); C04B 26/04 (2013.01); B29K 2029/04 (2013.01); B29K 2105/251 (2013.01); C04B 2111/00181 (2013.01);
Abstract

Provided is a three-dimensional object formation method for forming a three-dimensional object by at least repeating: forming a powder material layer using a powder material for three-dimensional object formation containing a base material coated with an organic material; and hardening a predetermined region of the powder material layer by delivering a hardening liquid to the powder material layer formed in the formation of a powder material layer, where the hardening liquid contains a cross-linking agent cross-linkable with the organic material.

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