(57) The invention refers to a device to collect and dump the smoke and dust which are
generated during a scarfing operation of slabs and other metallurgical, unfinished
products; such device providing a support bench for the slabs to be scarfed, and a
scarfing head, sliding on rails along said bench; suction means for the smoke and
dust generated by the scarfing operation are also provided.
According to the invention, the device provides a retractable tunnel (20), in the
shape of a bellow, secured, on one of its ends, to one end of said bench, where the
suction duct of an exhaust fan for the smoke and dust is located; on its other end,
the tunnel (20) is integral to a scarfing head (62) in its movement; the retractable
tunnel (20) is supported in an intermediate position by trestles movable on wheels
(40).
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