- Patent Title: Powder material for producing three-dimensional object, kit for producing three-dimensional object, and three-dimensional object producing method and apparatus
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Application No.: US16918128Application Date: 2020-07-01
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Publication No.: US11426929B2Publication Date: 2022-08-30
- Inventor: Junjiroh Sogame , Kohsuke Miyazaki , Takumi Yokoyama , Shinichiroh Satoh , Takafumi Sasaki , Osamu Mizuta , Hiroyuki Miyata , Naoki Oya
- Applicant: RICOH COMPANY, LTD.
- Applicant Address: JP Tokyo
- Assignee: RICOH COMPANY, LTD.
- Current Assignee: RICOH COMPANY, LTD.
- Current Assignee Address: JP Tokyo
- Agency: Grüneberg and Myers PLLC
- Priority: JPJP2019-125604 20190704,JPJP2020-094401 20200529
- Main IPC: B29C64/153
- IPC: B29C64/153 ; B33Y10/00 ; B33Y70/00 ; B33Y80/00 ; B29K101/00

Abstract:
Provided is a powder material for producing a three-dimensional object including: a base material; a resin; and resin particles, wherein an amount W (mass %) of carbon remaining in the powder material after heating in a vacuum of 10−2 Pa or lower at 450 degrees C. for 2 hours satisfies the following formula: W (mass %)
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