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公开(公告)号：US11865615B2
公开(公告)日：2024-01-09
申请号：US17117200
申请日：2020-12-10
Applicant: Desktop Metal, Inc.
Inventor： Jamison Go , Emanuel M. Sachs , Michael Goldblatt , Jeffrey von Loesecke
Abstract: Techniques for depowdering additively fabricated parts are described. The techniques utilize various mechanisms to separate powder from parts. For instance, techniques for depowdering described herein may include fabrication of auxiliary structures in addition to fabrication of parts. Certain auxiliary structures may aid with depowdering operations, and may be fabricated along with parts during an additive fabrication process. The auxiliary structures may be shaped and/or have positional and/or geometrical relationships to the parts during fabrication. For instance, an auxiliary structure may include a cage structure fabricated around one or more parts.
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公开(公告)号：US12280431B2
公开(公告)日：2025-04-22
申请号：US18363441
申请日：2023-08-01
Applicant: Desktop Metal, Inc.
Inventor： Jamison Go , Daniel Sachs , Robert J. Nick , Jonah Samuel Myerberg , Michael Goldblatt
Abstract: Techniques for depowdering in additive fabrication are provided. According to some aspects, techniques are provided that separate powder from additively fabricated parts through liquid immersion of the parts. Motion of the liquid, such as liquid currents, may dislodge or otherwise move powder away from additively fabricated parts to which it is adhered or otherwise proximate to. The liquid may also provide a vehicle to carry away powder from the additively fabricated parts. Removed powder may be filtered or otherwise separated from the liquid to allow recirculation of the liquid to the parts and/or to enable re-use of the powder in subsequent additive fabrication processes. Techniques for depowdering through liquid immersion may be automated, thereby mitigating challenges associated with manual depowdering operations.
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3.发明授权公开(公告)号：US11951515B2
公开(公告)日：2024-04-09
申请号：US16983138
申请日：2020-08-03
Applicant: Desktop Metal, Inc.
Inventor： Jamison Go , Michael Santorella , Jonah Samuel Myerberg , Matthew McCambridge , Alexander LeGendre , Joseph Gabay , Robert J. Nick , Michael Goldblatt
Abstract: Techniques for depowdering in additive fabrication are provided. According to some aspects, techniques are provided that separate powder from parts by directing gas onto, or near to, the powder. While fragile green parts, such as green parts produced by binder jetting, may be fragile with respect to scraping or impacts, such parts may nonetheless be resistance to damage from directed gas, even if directed at a high pressure. Techniques for depowdering through directed application of gas may be automated, thereby mitigating challenges associated with manual depowdering operations.
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4.发明授权公开(公告)号：US12226811B2
公开(公告)日：2025-02-18
申请号：US18441951
申请日：2024-02-14
Applicant: Desktop Metal, Inc.
Inventor： Jamison Go , Michael Santorella , Jonah Samuel Myerberg , Matthew McCambridge , Alexander LeGendre , Joseph Gabay , Robert J. Nick , Michael Goldblatt
Abstract: Techniques for depowdering in additive fabrication are provided. According to some aspects, techniques are provided that separate powder from parts by directing gas onto, or near to, the powder. While fragile green parts, such as green parts produced by binder jetting, may be fragile with respect to scraping or impacts, such parts may nonetheless be resistance to damage from directed gas, even if directed at a high pressure. Techniques for depowdering through directed application of gas may be automated, thereby mitigating challenges associated with manual depowdering operations.
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5.发明公开公开(公告)号：US20240139806A1
公开(公告)日：2024-05-02
申请号：US18363441
申请日：2023-08-01
Applicant: Desktop Metal, Inc.
Inventor： Jamison Go , Daniel Sachs , Robert J. Nick , Jonah Samuel Myerberg , Michael Goldblatt
CPC classification number: B22F3/24 , B08B3/045 , B08B3/102 , B08B3/12 , B08B3/14 , B22F10/00 , B33Y40/20 , B22F2003/247
Abstract: Techniques for depowdering in additive fabrication are provided. According to some aspects, techniques are provided that separate powder from additively fabricated parts through liquid immersion of the parts. Motion of the liquid, such as liquid currents, may dislodge or otherwise move powder away from additively fabricated parts to which it is adhered or otherwise proximate to. The liquid may also provide a vehicle to carry away powder from the additively fabricated parts. Removed powder may be filtered or otherwise separated from the liquid to allow recirculation of the liquid to the parts and/or to enable re-use of the powder in subsequent additive fabrication processes. Techniques for depowdering through liquid immersion may be automated, thereby mitigating challenges associated with manual depowdering operations.
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Patent Agency Ranking
公开(公告)号：US11717887B2
公开(公告)日：2023-08-08
申请号：US16924872
申请日：2020-07-09
Applicant: Desktop Metal, Inc.
Inventor： Emanuel M. Sachs , Paul A. Hoisington , Richard Remo Fontana , Jamison Go , Joseph Johnson , George Hudelson , Cassia Lockwood , Michael Goldblatt
CPC classification number: B22F3/1007 , B22F3/003 , B22F3/1021 , B22F2201/02 , B22F2201/50 , B33Y10/00 , B33Y30/00
Abstract: A method is provided for printing a three-dimensional object. The method comprises, depositing a layer of metal powder onto a powder bed of a three-dimensional printer. A liquid is heated to generate a vapor. The liquid is removed from the vapor to dry the vapor by heating the vapor above a condensation temperature of the liquid. The dry vapor is deposited onto the powder bed of the three-dimensional printer.
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公开(公告)号：US20210237159A1
公开(公告)日：2021-08-05
申请号：US17117200
申请日：2020-12-10
Applicant: Desktop Metal, Inc.
Inventor： Jamison Go , Michael Santorella , Jonah Samuel Myerberg , Matthew McCambridge , Alexander LeGendre , Robert J. Nick , Michael Goldblatt , Robert Michael Shydo, JR. , Midnight Zero , Emanuel M. Sachs , Jeffrey von Loesecke , Alexander K. McCalmont , George Hudelson , Joe Pantano
Abstract: Techniques for depowdering additively fabricated parts are described. The techniques utilize various mechanisms to separate powder from parts. For instance, techniques for depowdering described herein may include fabrication of auxiliary structures in addition to fabrication of parts. Certain auxiliary structures may aid with depowdering operations, and may be fabricated along with parts during an additive fabrication process. The auxiliary structures may be shaped and/or have positional and/or geometrical relationships to the parts during fabrication. For instance, an auxiliary structure may include a cage structure fabricated around one or more parts.
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公开(公告)号：US20210060651A1
公开(公告)日：2021-03-04
申请号：US16999210
申请日：2020-08-21
Applicant: Desktop Metal, Inc.
Inventor： Jamison Go , Daniel Sachs , Robert J. Nick , Jonah Samuel Myerberg , Michael Goldblatt
Abstract: Techniques for depowdering in additive fabrication are provided. According to some aspects, techniques are provided that separate powder from additively fabricated parts through liquid immersion of the parts. Motion of the liquid, such as liquid currents, may dislodge or otherwise move powder away from additively fabricated parts to which it is adhered or otherwise proximate to. The liquid may also provide a vehicle to carry away powder from the additively fabricated parts. Removed powder may be filtered or otherwise separated from the liquid to allow recirculation of the liquid to the parts and/or to enable re-use of the powder in subsequent additive fabrication processes. Techniques for depowdering through liquid immersion may be automated, thereby mitigating challenges associated with manual depowdering operations.
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9.发明公开公开(公告)号：US20240181503A1
公开(公告)日：2024-06-06
申请号：US18441951
申请日：2024-02-14
Applicant: Desktop Metal, Inc.
Inventor： Jamison Go , Michael Santorella , Jonah Samuel Myerberg , Matthew McCambridge , Alexander LeGendre , Joseph Gabay , Robert J. Nick , Michael Goldblatt
Abstract: Techniques for depowdering in additive fabrication are provided. According to some aspects, techniques are provided that separate powder from parts by directing gas onto, or near to, the powder. While fragile green parts, such as green parts produced by binder jetting, may be fragile with respect to scraping or impacts, such parts may nonetheless be resistance to damage from directed gas, even if directed at a high pressure. Techniques for depowdering through directed application of gas may be automated, thereby mitigating challenges associated with manual depowdering operations.
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公开(公告)号：US11759859B2
公开(公告)日：2023-09-19
申请号：US16999210
申请日：2020-08-21
Applicant: Desktop Metal, Inc.
Inventor： Jamison Go , Daniel Sachs , Robert J. Nick , Jonah Samuel Myerberg , Michael Goldblatt
CPC classification number: B22F3/24 , B08B3/045 , B08B3/102 , B08B3/12 , B08B3/14 , B22F10/00 , B33Y40/20 , B22F2003/247
Abstract: Techniques for depowdering in additive fabrication are provided. According to some aspects, techniques are provided that separate powder from additively fabricated parts through liquid immersion of the parts. Motion of the liquid, such as liquid currents, may dislodge or otherwise move powder away from additively fabricated parts to which it is adhered or otherwise proximate to. The liquid may also provide a vehicle to carry away powder from the additively fabricated parts. Removed powder may be filtered or otherwise separated from the liquid to allow recirculation of the liquid to the parts and/or to enable re-use of the powder in subsequent additive fabrication processes. Techniques for depowdering through liquid immersion may be automated, thereby mitigating challenges associated with manual depowdering operations.
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