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Patent Searching and Data


Title:
OPTICAL SORTING MACHINE
Document Type and Number:
WIPO Patent Application WO/2022/080373
Kind Code:
A1
Abstract:
This optical sorting machine comprises: a light source configured to irradiate, with light, a to-be-sorted object being transferred on a transfer path; an optical sensor configured to detect the light irradiated from the light source and associated with the to-be-sorted object; a determination unit configured to determine foreign matter and/or defective products for the to-be-sorted object on the basis of a signal obtained by the optical sensor with respect to the light associated with the to-be-sorted object; and an intermediate member that is placed at a position between the light source and the transfer path in a light irradiation direction from the light source to the to-be-sorted object, and at a position in which the detection of the light associated with the to-be-sorted object is not affected, the intermediate member having a marking. The optical sensor is further configured to detect a marking-related light irradiated from the light source and obtained through the marking.

Inventors:
SADAMARU MASAAKI (JP)
MIYAMOTO TOMOYUKI (JP)
Application Number:
PCT/JP2021/037754
Publication Date:
April 21, 2022
Filing Date:
October 12, 2021
Export Citation:
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Assignee:
SATAKE ENG CO LTD (JP)
International Classes:
B07C5/342; G01N21/85
Foreign References:
JPH09304182A1997-11-28
JPH09203709A1997-08-05
JP2002168778A2002-06-14
Attorney, Agent or Firm:
YUCHI INTERNATIONAL PATENT FIRM (JP)
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