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公开(公告)号：US20190084236A1
公开(公告)日：2019-03-21
申请号：US16093935
申请日：2017-05-10
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Andreu Oliver , Josep Ferreiro , Marc Nicolau
IPC: B29C64/35 , B29C64/357 , B29C64/153
Abstract: Example implementations relate to a guard positionable in a 3D printing system to limit a passing of oversized particles of material to downstream of the guard. As an example, a guard comprises a portion aligned with an axis, the axis being parallel to a direction of travel of particles. The guard also comprises a guard member to direct particles away from the axis.
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