VIBRATING SCREENS AND SCREEN DECKS FOR USE IN NON-VERTICAL DISPOSTION IN MATERIAL SEPARATING MACHINES IN MINING AND MINERAL PROCESSING; SAID SCREENS AND SCREEN DECKS (1) BEING OF MULTI-APERTURED NON-WOVEN CONSTRUCTION AND (2) BEING MADE OF POLYURETHANE ELASTOMER AND (3) WHEN HAVING SQUARE APERTURES THEREIN THE APERTURE SIDES BEING NO LESS THAN 1/8", WHEN HAVING ROUND APERTURES THEREIN THE APERTURE BEING NO LESS THAN 1/8" IN DIAMETER, AND WHEN HAVING RECTANGULAR APERTURES THEREIN THE LONGER DIMENSION THEREOF BEING NO LESS THAN 1/8"

'1':27 '1/8':58,70,87 '2':38 '3':45 'apertur':32,49,52,62,65,77 'construct':36 'deck':5,26 'diamet':72 'dimens':81 'dispost':12 'elastom':43 'less':56,68,85 'longer':80 'machin':16 'made':40 'materi':14 'mine':18 'miner':20 'multi':31 'multi-apertur':30 'non':10,34 'non-vert':9 'non-woven':33 'polyurethan':42 'process':21 'rectangular':76 'round':61 'said':22 'screen':2,4,23,25 'separ':15 'side':53 'squar':48 'therein':50,63,78 'thereof':82 'use':7 'vertic':11 'vibrat':1 'woven':35

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