D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
270/162
D21F 7/00 (2006.01)
Patent
CA 1044719
SHEET HANDLING APPARATUS ABSTRACT OF THE DISCLOSURE An apparatus for transporting a sheet of a flex- ible material between a first and a second position. The apparatus includes and elongated frame and an air-previous endless belt movably mounted on first and second pulleys positioned at each end of the frame. The belt has its upper rung travelling from the first pulley, adjacent the first position, to the second pulley, adjacent the second position, and is arranged to receive a lead strip of the sheet from the first position. A vacuum chest having a perforated top extends longitudinally of and below the upper rung of the belt. There are means for evacuating air from the chest in order to apply a vacuum at the undersurface of the belt and thereby cause the lead strip to cling to the belt. The apparatus has means defining an opening where the sheet leaves the belt and an air is directed contrary to the through the opening. The air is directed contrary to the direction of movement of the belt and with a velocity suffi- cient both to overcome any gripping effect air entrained within the air-pervious belt and to lift the sheet of flexible material. - i -
249436
Rooney Sidney C.
LandOfFree
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