公开(公告)号：US20240316634A1

公开(公告)日：2024-09-26

申请号：US18596784

申请日：2024-03-06

Applicant: Yunsheng SUN ,  Masato Tsuji ,  Shota Hayakawa

Inventor： Yunsheng SUN ,  Masato Tsuji ,  Shota Hayakawa

IPC: B22F5/10 ,  B22F3/10 ,  B22F10/14 ,  B22F10/64 ,  B22F10/68 ,  B33Y10/00 ,  B33Y40/20

CPC classification number: B22F5/10 ,  B22F10/14 ,  B22F10/64 ,  B22F10/68 ,  B33Y10/00 ,  B33Y40/20 ,  B22F3/10 ,  B22F2998/10

Abstract: A three dimensional modeling method for fabricating a modeled object having a cavity therein is disclosed. The three dimensional modeling method includes modeling the modeled object with first powder, the modeled object including an opening connecting the cavity and an outside of the modeled object; filling the cavity with second powder from the opening; sintering the modeled object whose cavity has been filled with the second powder in the filling; and removing the second powder in the cavity from the opening.

公开(公告)号：US20220363008A1

公开(公告)日：2022-11-17

申请号：US17717565

申请日：2022-04-11

Applicant: Shota HAYAKAWA ,  Masato TSUJI ,  Yunsheng SUN ,  Haruyuki SUZUKI ,  Hayato FUJITA

Inventor： Shota HAYAKAWA ,  Masato TSUJI ,  Yunsheng SUN ,  Haruyuki SUZUKI ,  Hayato FUJITA

IPC: B29C64/393 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/241

Abstract: A three-dimensional fabrication apparatus includes a flattening member and a rotation drive unit. The flattening member moves on layers of a fabrication material to flatten an upper surface of the layers of the fabrication material. The rotation drive unit rotates the flattening member and determines a circumferential position of the flattening member.

公开(公告)号：US20200070468A1

公开(公告)日：2020-03-05

申请号：US16558492

申请日：2019-09-03

Applicant: Sohichiroh IIDA ,  Hitoshi IWATSUKI ,  Mitsuru NARUSE ,  Satoshi OGAWA ,  Yunsheng SUN

Inventor： Sohichiroh IIDA ,  Hitoshi IWATSUKI ,  Mitsuru NARUSE ,  Satoshi OGAWA ,  Yunsheng SUN

IPC: B32B5/06 ,  B32B5/02 ,  B32B5/26

Abstract: A fiber aggregation contains fiber containing a thermoplastic resin, each of the fiber being mutually joined and aligned.

公开(公告)号：US20200070412A1

公开(公告)日：2020-03-05

申请号：US16555751

申请日：2019-08-29

Applicant: Yunsheng SUN ,  Toshiyuki Mutoh ,  Hitoshi Iwatsuki ,  Shigenori Yaguchi ,  Mitsuru Naruse ,  Sohichiroh IIDA

Inventor： Yunsheng SUN ,  Toshiyuki Mutoh ,  Hitoshi Iwatsuki ,  Shigenori Yaguchi ,  Mitsuru Naruse ,  Sohichiroh IIDA

IPC: B29C64/153 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/00 ,  B29C64/20

Abstract: A resin powder contains a resin, wherein the proportion of fine powder having a number diameter of 40 percent or less of a mean number diameter Mn of the resin powder is 30 percent or less in the resin powder.

公开(公告)号：US20210023778A1

公开(公告)日：2021-01-28

申请号：US16936498

申请日：2020-07-23

Applicant: Sohichiroh Iida ,  Hitoshi Iwatsuki ,  Satoshi Ogawa ,  Yunsheng Sun

Inventor： Sohichiroh Iida ,  Hitoshi Iwatsuki ,  Satoshi Ogawa ,  Yunsheng Sun

IPC: B29C64/153 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/00 ,  B29C64/268

Abstract: A resin powder for solid freeform fabrication is provided which maintains the degree of smoothness of a thin layer formed with the resin powder for solid freeform fabrication even when the speed of supplying the resin powder for solid freeform fabrication using a recoater is increased and reduce lowering of the degree of smoothness of the thin layer caused by the resin powder for solid freeform fabrication that has scattered and accumulated on the recoater and others.

公开(公告)号：US20230271256A1

公开(公告)日：2023-08-31

申请号：US18170000

申请日：2023-02-16

Applicant: Kohichiroh Tanaka ,  Shozo Sakura ,  Yohei Osanai ,  Yunsheng Sun

Inventor： Kohichiroh Tanaka ,  Shozo Sakura ,  Yohei Osanai ,  Yunsheng Sun

IPC: B22F10/50 ,  B29C64/153 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B29C64/35 ,  B29C64/188 ,  B22F12/63

CPC classification number: B22F10/50 ,  B22F12/63 ,  B29C64/153 ,  B29C64/188 ,  B29C64/35 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B22F2998/10

Abstract: There is provided a method of fabricating a three-dimensional object. The method includes supplying, flattening, and collecting. The supplying supplies, with a powder supplier, powder to a fabrication chamber. The fabrication chamber includes a fabrication stage to store powder and an outer edge portion outside the fabrication stage, the outer edge portion having one bottom surface. The flattening flattens, with a flattener, the powder supplied by the supplying. The collecting collects, with a powder collector, the powder having overflowed from the fabrication stage to the outer edge portion by the flattening into the fabrication stage.

公开(公告)号：US20200079011A1

公开(公告)日：2020-03-12

申请号：US16562734

申请日：2019-09-06

Applicant: Hitoshi IWATSUKI ,  Sohichiroh IIDA ,  Yunsheng SUN ,  Satoshi OGAWA

Inventor： Hitoshi IWATSUKI ,  Sohichiroh IIDA ,  Yunsheng SUN ,  Satoshi OGAWA

IPC: B29C64/153 ,  B33Y70/00

Abstract: A resin powder contains a resin containing particles, wherein the proportion of the particles in an aspect ratio range X represented by the following inequality 1 is 50 percent by number or more in a number distribution of an aspect ratio of the resin powder: A50−1≤X≤A50+1 Inequality 1, where A50 represents a median of the aspect ratio.