Invention Grant
- Patent Title: Debinder for 3D printed objects
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Application No.: US16540725Application Date: 2019-08-14
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Publication No.: US11235386B2Publication Date: 2022-02-01
- Inventor: Daniel R. Jepeal , Paul E. Dresens
- Applicant: Desktop Metal, Inc.
- Applicant Address: US MA Burlington
- Assignee: Desktop Metal, Inc.
- Current Assignee: Desktop Metal, Inc.
- Current Assignee Address: US MA Burlington
- Agency: Oak Law, PLLC
- Agent Jonathan D. Hall
- Main IPC: B22F3/10
- IPC: B22F3/10 ; B29C64/30 ; B01D5/00 ; B29C64/307 ; B29C71/00 ; B22F3/00 ; B33Y40/00 ; B33Y30/00 ; B29C64/35 ; B01D3/02 ; C04B35/638 ; B29C64/357 ; B22F12/00 ; B33Y70/00 ; B29K505/00 ; B22F10/10

Abstract:
A debinder provides for debinding printed green parts in an additive manufacturing system. The debinder can include a storage chamber, a process chamber, a distill chamber, a waste chamber, and a condenser. The storage chamber stores a liquid solvent for debinding the green part. The process chamber debinds the green part using a volume of the liquid solvent transferred from the storage chamber. The distill chamber collects a solution drained from the process chamber and produces a solvent vapor from the solution. The condenser condenses the solvent vapor to the liquid solvent and transfer the liquid solvent to the storage chamber. The waste chamber collects a waste component of the solution.
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