MATERIAL SCREENING APPARATUS
2 Assignments
0 Petitions
Accused Products
Abstract
A mobile material screening apparatus (100) for separating bulk particulate material into groups of particles of differing sizes comprises a support chassis (2), a horizontal screen box (3) housed within the support chassis (2) and an additional inclined pre-screening module (50) which is adapted to be demountably attached to the support chassis (2). The mobile screening apparatus (100) comprises five outputs. Foldable conveyors (7a, 8, 9, 910, 920) can be deployed outwardly from and stowed inwardly against the material screening apparatus. The provision of an inclined pre-screening module (50) provides relief to the horizontal screen box (3) by first removing the larger sized particles from the bulk material which can be returned to a crusher for recycling and serves also to increase the total number of grades of material separated by the screening apparatus.
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Citations
47 Claims
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1-28. -28. (canceled)
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29. A mobile material screening apparatus for separating bulk particulate material into groups of particles of differing sizes, the apparatus comprising:
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a support chassis; a screen box apparatus, the screen box mounted on the support chassis and having an upper screen deck and a lower screen deck; characterised in that the screen box is a horizontal screen box; and the mobile screening apparatus further comprises an additional pre-screening module, wherein the pre-screening module is provided with an upper inclined screen and a lower inclined screen and wherein the pre-screening module is provided with an upper conveyor and lower conveyor, the upper and lower conveyors being arranged parallel to the upper inclined screen and a lower inclined screen, the upper conveyor being adapted to convey material to the pre-screening module screens and the lower conveyor being adapted to transfer material from the pre-screening module to the horizontal screen box apparatus; whereby the provision of the horizontal screen box and the pre-screening module provides five different grades of material as output from the mobile screening apparatus, namely reject unscreened material and four different grades of screened material. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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Specification