Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Sorting eggs or components thereof
Patent
1995-01-17
1997-04-01
Terrell, William E.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Sorting eggs or components thereof
209579, 209938, 356 53, 356237, 250224, 25055922, 25055948, A01K 4304, G01N 2100
Patent
active
056157770
ABSTRACT:
A light beam such a laser beam is used to scan the surface of an egg for flaws such as pin holes, cracks, thinned shell regions, etc. The light beam is vibrated with a rocking/rotating movement to describe a closed curve such as a circle, ellipse or an ellipse so narrow that it is effectively a straight line. The utilization of such a light beam allows identification of types of flaws due to the character of the progression of light emanating from the egg. The invention includes apparatus for rotating the egg about its longitudinal axis in the path of the beam or beams. The apparatus also includes apparatus for forming the vibrating beam such as mirrors vibrated by out of phase electro-magnetic vibration or piezo electric actuators.
REFERENCES:
patent: 3210546 (1965-10-01), Perron
patent: 4009965 (1977-03-01), Pryor
patent: 4161366 (1979-07-01), Bol et al.
patent: 4182571 (1980-01-01), Furuta et al.
patent: 4240750 (1980-12-01), Kurtz et al.
patent: 4487321 (1984-12-01), Bliss
patent: 4872564 (1989-10-01), van der Schoot
patent: 5030001 (1991-07-01), vande Vis
Advance Systems Worldwide article entitled "Crack Detection" published May 1994, author: J. Hordijk. Date written: Jan. 15 1991.
An article entitled "Crack Detection"(Scheur-detector) dated Oct. 12 1978. A copy is enclosed, no author given.
"Investigation of Egg Faults and Methods" Dated Dec. 28 1983. Author, M.G. Schreuder.
Article "A System Approach to Solving Shell Egg Damage Problems" Published in Verslag Berspreking Jan. 1984 by Prof. A.K. Birth.
Paper given by V.C. Humberstone, N.M. Goy, A. VanAsseldonk, J. Hordijk, Jelle van der Schoot, J.M.J. Timmermans, M.G. Scheurder and Tj. J.F. Enzing at Verslag Bespreking. Copy enclosed.
Article "Laser Scanning System for the Automated Inspection of Eggs for Hair Cracks" Published in 1976-1977 by J. Bol.
Flatman Carl S.
Hughes Alan J.
Kenway Daniel J.
van der Schoot Jelle
Weichman Frank L.
FPS Food Processing Systems
Nguyen Tuan
Parsons Jane
Terrell William E.
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