Classifying – separating – and assorting solids – Sifting – Elements
Reexamination Certificate
2011-05-17
2011-05-17
Matthews, Terrell H (Department: 3653)
Classifying, separating, and assorting solids
Sifting
Elements
C209S399000, C209S402000, C209S405000
Reexamination Certificate
active
07942272
ABSTRACT:
The present invention provides a screen system (8) suitable for use in a vibratory screen apparatus (1), and comprising: a screen element (11) and a support frame (12) therefor, as well as novel screen elements (11) and mesh panels (19) therefor, and the use thereof. The screen element (11) consists essentially of a mesh panel (19) provided with first and second elongate support members (22, 23) extending along opposite end portions of the mesh panel (19). The support frame (12) has spaced apart first and second elongate frame elements (13, 14) for engagement with the screen element support members (22, 23) and further elongate frame elements (17, 18) extending there between for supporting the mesh panel (19). The screen element support members (22, 23) and said first and second frame elements (13, 14) are formed and arranged for secure interengagement in use of the screen system, with at least one of said screen element support members and the respective one of said first and second frame elements being formed and arranged so that when clamped together, the mesh panel (19) is securely held under tension against said further frame elements (17, 18).
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Bailey Marshall G.
Fisher George W.
Axiom Process Ltd.
Gifford Krass Sprinkle Anderson & Citkowski P.C.
Matthews Terrell H
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