Classifying – separating – and assorting solids – Sifting – Conveying
Reexamination Certificate
2006-11-30
2010-06-15
Mackey, Patrick (Department: 3653)
Classifying, separating, and assorting solids
Sifting
Conveying
C209S264000, C209S267000
Reexamination Certificate
active
07735654
ABSTRACT:
A screening arrangement in a vibrating screen for screening of material, such as crushed stone, gravel or the like, the screening arrangement having directing means provided on top of the screening arrangement to direct the material to be screened, such that the directing means are arranged to direct or adjust the width of screening material in relation to the amount of material to be screened, and to achieve a continuous optimal layer of the material to be screened.
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Drinker Biddle & Reath LLP
Hageman Mark
Mackey Patrick
Sandvik Intellectual Property AB
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