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GB1293208A - Apparatus for the detection and removal of selected foreign matter from a material - Google Patents

Apparatus for the detection and removal of selected foreign matter from a material

Info

Publication number
GB1293208A
GB1293208A GB05172/70A GB1517270A GB1293208A GB 1293208 A GB1293208 A GB 1293208A GB 05172/70 A GB05172/70 A GB 05172/70A GB 1517270 A GB1517270 A GB 1517270A GB 1293208 A GB1293208 A GB 1293208A
Authority
GB
United Kingdom
Prior art keywords
photo
albumen
light
chute
multipliers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB05172/70A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Diamond International Corp
Original Assignee
Diamond International Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Diamond International Corp filed Critical Diamond International Corp
Publication of GB1293208A publication Critical patent/GB1293208A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour

Landscapes

  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

1293208 Detecting yolk in albumen photoelectrically DIAMOND INTERNATIONAL CORP 31 March 1970 [7 Oct 1969] 15172/70 Heading G1A Apparatus for removing yolk contaminated albumen from a stream of uncontaminated albumen flowing over a darkened area of a chute comprises a pair of photo-sensitive devices one responsive to yellow reflected light to cause operation of a flow diverting mechanism. The albumen flows down chute 1 and is illuminated at AB by light source 2. The reflected light passes through lens 4 to beam splitting mirror or prism 5 so that half the light passes through rectangular slit 8 and green filter 12 to fall on photo-multiplier 14 and the other half passes through slit 6 and blue filter 11 to fall on photo-multiplier 13. The photomultipliers are differentially connected to amplifier 18 whose output under balanced conditions is zero. To balance the light falling on the photo-multipliers adjustable diaphragms or polaroid discs 15, 16 may be used or alternatively the dynode voltage may be varied by potentiometer 17. To avoid direct reflection from the surface of the albumen polarizing discs 28, 29, having axes at right angles, are used. In operation, the presence of yolk causes extra light to be transmitted through green filter 12 so that an unbalance appears at the input to amplifier 18 to provide an output which energizes electromagnet 22 to operate air cylinder 23 and move chute 24 into alignment with reject channel 27. The outputs of the photo-multipliers can be displayed on meters 19, 20, 21. The presence of shell or chalaza in the stream affects the quantity of light reflected to both photo-multipliers and thus does not disturb the balanced condition. In a modification the contaminated albumen is sucked out of chute 1 by a gear pump which is driven in response to the unbalance signal.
GB05172/70A 1969-10-07 1970-03-31 Apparatus for the detection and removal of selected foreign matter from a material Expired GB1293208A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86449069A 1969-10-07 1969-10-07

Publications (1)

Publication Number Publication Date
GB1293208A true GB1293208A (en) 1972-10-18

Family

ID=25343378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB05172/70A Expired GB1293208A (en) 1969-10-07 1970-03-31 Apparatus for the detection and removal of selected foreign matter from a material

Country Status (7)

Country Link
US (1) US3603458A (en)
BE (1) BE755016A (en)
DE (1) DE2043393C3 (en)
DK (1) DK128059B (en)
FR (1) FR2065860A5 (en)
GB (1) GB1293208A (en)
NL (1) NL149284B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4241835A (en) * 1976-07-12 1980-12-30 Geosource Inc. Sorting apparatus
US4190020A (en) * 1978-01-03 1980-02-26 Mezogazdasagi Foiskola, Kaposvar Process and equipment for machine milking to provide sterile milk free from blood and pus
JPS55116229A (en) * 1979-02-28 1980-09-06 Satake Eng Co Ltd Automatic control device for color selector
US4439892A (en) * 1982-02-23 1984-04-03 W. F. Altenpohl, Inc. Severed poultry neck selection system
US4519489A (en) * 1983-06-27 1985-05-28 Reynolds Metals Company Can end sampler
JP3358099B2 (en) * 1994-03-25 2002-12-16 オムロン株式会社 Optical sensor device
US6191859B1 (en) * 1996-10-28 2001-02-20 Sortex Limited Optical systems for use in sorting apparatus
CN111375569B (en) * 2018-12-29 2023-08-01 乐山希尔电子股份有限公司 Test all-in-one machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3066797A (en) * 1958-10-20 1962-12-04 R W Gunson Seeds Ltd Colour sorting machines
US3283644A (en) * 1962-11-27 1966-11-08 Du Pont Apparatus for determining the concentration of dispersed particulate solids in liquids
US3283896A (en) * 1964-09-28 1966-11-08 Chemical Holding Company Inc Sorting apparatus
US3514210A (en) * 1968-01-15 1970-05-26 Jiri Hrdina Device for programmed drawing off of gas bubbles from a measuring cell separator and the liquid from the extinction cell space

Also Published As

Publication number Publication date
DE2043393B2 (en) 1973-08-30
DE2043393A1 (en) 1971-05-27
BE755016A (en) 1971-02-19
DE2043393C3 (en) 1974-04-04
NL149284B (en) 1976-04-15
FR2065860A5 (en) 1971-08-06
US3603458A (en) 1971-09-07
NL7010448A (en) 1971-04-13
DK128059B (en) 1974-02-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee