Title:
POWDER FEEDING DEVICE AND THREE-DIMENSIONAL ADDITIVE FABRICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/074107
Kind Code:
A1
Abstract:
The powder feeding device is provided with: a hopper including a discharge port for discharging powder; and a conveyance device configured so as to move a conveyance surface disposed below the discharge port in a first direction and to invert the conveyance surface at the front end thereof. The hopper includes a front wall part positioned on the downstream side of the discharge port in the first direction. A prescribed gap is formed between the bottom of the front wall part and the conveyance surface. With this powder feeding device, powder accumulated on the conveyance surface is conveyed in the first direction by the conveyance device at a thickness corresponding to the prescribed gap, then dropped off the front end.
Inventors:
HAYASHI DAIKI (JP)
NAKAYAMA YUICHIRO (JP)
NAKAYAMA YUICHIRO (JP)
Application Number:
PCT/JP2018/038156
Publication Date:
April 18, 2019
Filing Date:
October 12, 2018
Export Citation:
Assignee:
IHI CORP (JP)
International Classes:
B22F3/105; B05C19/00; B22F3/16; B29C64/153; B29C64/329; B33Y30/00; B33Y40/00
Domestic Patent References:
| WO2015151831A1 | 2015-10-08 | |||
| WO2016151783A1 | 2016-09-29 |
Foreign References:
| JP2015196254A | 2015-11-09 | |||
| JP2001334581A | 2001-12-04 | |||
| JP2012166487A | 2012-09-06 | |||
| JPH03243515A | 1991-10-30 | |||
| JP2009090337A | 2009-04-30 | |||
| JPS6050550B2 | 1985-11-08 | |||
| JP6077715B2 | 2017-02-08 | |||
| JP6077718B2 | 2017-02-08 |
Other References:
See also references of EP 3695922A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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