Title:
石抜機
Document Type and Number:
Japanese Patent JP6896227
Kind Code:
B2
Abstract:
To provide a stone extractor capable of quickly discharging a residual grain on a rocking election plate after finishing selection operation.SOLUTION: In a stone extractor 1 for selecting a raw material supplied on porous selection plates 3 and 12 by sending wind into the porous selection plates 3 and 12 from air blowers 15 and 16 by rocking the porous selection plates 3 and 12 by arranging the air blowers 15 and 16 under the porous selection plates 3 and 12 by arranging a plurality of porous selection pates 3 and 12 in an inclined state, the porous selection plates 3 and 12 comprise the primary selection plate 3, the secondary selection plate 12 and a residual discharge bypass passage 12a, and the bypass passage 12a is overlapped on a lower stage of the secondary selection plate 12 by communicating the mutual primary selection plate 3 and secondary selection plate 12 via a connection passage 8.SELECTED DRAWING: Figure 1
Inventors:
Seiji Yorioka
Tomotaka Nakagawa
Tomotaka Nakagawa
Application Number:
JP2017147057A
Publication Date:
June 30, 2021
Filing Date:
July 28, 2017
Export Citation:
Assignee:
Satake Co., Ltd.
International Classes:
B07B4/08; B02B7/00; B07B11/06
Domestic Patent References:
| JP4176370A | ||||
| JP61502042A | ||||
| JP2000176380A | ||||
| JP8131957A | ||||
| JP63200870A |