Title:
レーザー焼結における片側双方向供給
Document Type and Number:
Japanese Patent JP4146453
Kind Code:
B2
Abstract:
An apparatus and a method of using the apparatus to deliver metered quantities of powder to a target area (186) in a laser sintering process from a single sided bi-directional powder delivery system to ensure fresh powder is preheated prior to fusing the powder with a laser beam. Metered quantities of powder (184) are deposited for pre-heating adjacent the target area and then are spread by a mechanism (180) that traverses the target area.
Inventors:
Robert H W Welch Force
Tae Mark Chun
Christopher Earl Hannah
Tae Mark Chun
Christopher Earl Hannah
Application Number:
JP2005155059A
Publication Date:
September 10, 2008
Filing Date:
May 27, 2005
Export Citation:
Assignee:
3D Systems, Inc.
International Classes:
B29C67/00; B22F3/105; B22F3/16; B29C35/02; B29C35/08; B29C41/36
Domestic Patent References:
| JP2001334581A | ||||
| JP2003245981A | ||||
| JP2004306612A | ||||
| JP8502703A | ||||
| JP9507882A |
Attorney, Agent or Firm:
Yanagita Seiji
Go Sakuma
Go Sakuma