公开(公告)号：US12077660B2

公开(公告)日：2024-09-03

申请号：US17097648

申请日：2020-11-13

Applicant: Desktop Metal, Inc.

Inventor： John Reidy ,  Christopher Craven ,  Nihan Tuncer ,  Animesh Bose ,  Alexander C. Barbati ,  Ricardo Fulop ,  Brian D. Kernan ,  Karl-Heinz Schofalvi

IPC: B22F10/64 ,  B22F10/18 ,  B28B1/00 ,  B29C64/165 ,  B33Y10/00 ,  B33Y70/10 ,  C08L23/12 ,  B29K505/00 ,  B29K509/02

CPC classification number: C08L23/12 ,  B22F10/18 ,  B22F10/64 ,  B28B1/001 ,  B29C64/165 ,  B33Y10/00 ,  B33Y70/10 ,  B29K2505/00 ,  B29K2509/02 ,  B22F2999/00 ,  B22F10/68 ,  B22F3/1021 ,  B22F2998/10 ,  B22F1/10 ,  B22F10/18 ,  B22F3/1021

Abstract: Techniques for debinding additively fabricated parts are described that do not require solvent debinding or catalytic debinding, and that may be performed using only thermal debinding in a furnace. As a result, in at least some cases debinding and sintering may take place sequentially within a single furnace. In some embodiments, the techniques may utilize particular materials as binders that allow for a thermal debinding process that does not negatively affect the parts.

公开(公告)号：US20240424572A1

公开(公告)日：2024-12-26

申请号：US18690415

申请日：2022-09-13

Applicant: Desktop Metal, Inc.

Inventor： George Hudelson ,  Emanuel M Sachs ,  Jamison Go ,  Luke Jorgensen ,  John Reidy

IPC: B22F12/70 ,  B22F12/20 ,  B33Y30/00 ,  B33Y40/00

Abstract: Systems and methods for providing inert manufacturing and processing environments. In certain embodiments, a build box having green parts that were manufactured via binder jetting additive manufacturing is sealed with a lid and heat cured in an oven. A supply of process gas is delivered to the build box to provide an inert environment within the build box during the heating process, which results in an exhaust of gaseous species from the build box and prevents contamination from the ambient environment. In certain embodiments, copper-alloy parts are manufactured via binder jetting additive manufacturing in an inert environment to achieve higher final densities after post-processing and sintering.

公开(公告)号：US20210162502A1

公开(公告)日：2021-06-03

申请号：US17109306

申请日：2020-12-02

Applicant: Desktop Metal, Inc.

Inventor： Ilya L. Rushkin ,  Shannon Lee Taylor ,  Yun Bai ,  John Reidy

IPC: B22F10/14 ,  B22F3/10 ,  B29C64/165 ,  B33Y10/00 ,  B33Y80/00 ,  B33Y70/10

Abstract: Methods of additive manufacturing using noble metals and/or copper metal, and binder compositions for use during the additive manufacturing methods, are generally described. In some instances, the methods of additive manufacturing include de-binding (and in some cases sintering steps) that afford metal-based composites, de-bound metal structures, and metal objects containing noble metals (e.g., silver, gold, platinum) and/or copper that have improved properties, such as relatively high densities. In certain aspects, combinations of certain metal powders (e.g., noble metal and/or copper powders) with certain binder compositions may result in improved properties of resulting metal objects produced by the additive manufacturing process, such as relatively low surface roughnesses. The binder compositions described may include a low molecular weight polymer (e.g., including an acrylic acid repeat unit) and, in some cases, a cross-linking agent.

公开(公告)号：US20210260654A1

公开(公告)日：2021-08-26

申请号：US17158673

申请日：2021-01-26

Applicant: Desktop Metal, Inc.

Inventor： John Reidy ,  Nihan Tuncer ,  Animesh Bose ,  Christopher Craven ,  Alexander C. Barbati ,  Ricardo Fulop ,  Karl-Heinz Schofalvi

IPC: B22F3/10 ,  B22F10/14 ,  B22F10/64 ,  B33Y10/00 ,  B33Y50/00 ,  B33Y40/20

Abstract: Techniques for debinding additively fabricated parts are described that do not require solvent debinding or catalytic debinding, and that may be performed using only thermal debinding in a furnace. As a result, in at least some cases debinding and sintering may take place sequentially within a single furnace. In some embodiments, the techniques may utilize particular materials as binders that allow for a thermal debinding process that does not negatively affect the parts.

公开(公告)号：US20210147665A1

公开(公告)日：2021-05-20

申请号：US17097648

申请日：2020-11-13

Applicant: Desktop Metal, Inc.

Inventor： John Reidy ,  Christopher Craven ,  Nihan Tuncer ,  Animesh Bose ,  Alexander C. Barbati ,  Ricardo Fulop ,  Brian D. Kernan ,  Karl-Heinz Schofalvi

IPC: C08L23/12 ,  B33Y10/00 ,  B33Y70/10 ,  B28B1/00 ,  B22F10/10 ,  B22F10/64 ,  B29C64/165

Abstract: Techniques for debinding additively fabricated parts are described that do not require solvent debinding or catalytic debinding, and that may be performed using only thermal debinding in a furnace. As a result, in at least some cases debinding and sintering may take place sequentially within a single furnace. In some embodiments, the techniques may utilize particular materials as binders that allow for a thermal debinding process that does not negatively affect the parts.