CHUTE FOR OPTICAL SORTER

WIPO Patent Application WO/2013/031079

A1

A chute (3) for an optical sorter allows objects to be sorted to drop under gravity from the lower end of the chute, thereby supplying the objects to an optical detection section. The chute (3) is provided with: a first portion (31) which includes a portion for receiving the objects to be sorted which are supplied from a supply section (2); and a second portion (32) which continues from the first portion (31) and which allows the objects to be sorted to drop under gravity from the lower end of the chute (3). The first portion (31) is composed of a single part and has: flat surfaces (34a-34c) along which the objects to be sorted flow down; and connection surfaces (35a-35c) which connect, at an obtuse angle, the flat surfaces (34a-34c) in the direction in which the objects flow down. The chute (3) is characterized in that the flat surface (34a-34c) located on the upstream side is bent downward to form the connection surface (35a-35c), the connection surface (35a-35c) is bent upward to form the flat surface (34a-34c) which is located on the downstream side, and thus a smooth undulation is formed on the surface along which the objects to be sorted flow down.

JP2575517	[Name of invention] Chute for powder grain volume
JPH07929	[Name of invention] Belt conveyor transfer chute device

ITO TAKAFUMI (JP)
MIYAMOTO TOMOYUKI (JP)

PCT/JP2012/004622

March 07, 2013

July 20, 2012

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SATAKE ENG CO LTD (JP)
ITO TAKAFUMI (JP)
MIYAMOTO TOMOYUKI (JP)

B65G11/00; B07C5/342

WO2010046635A1

2010-04-29

JPS59124606A	1984-07-18
JP2010142678A	2010-07-01

OKANO, Takuya (JP)
Takuya Okano (JP)

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