US Patent 9415417 Scattered powder cleaning device capable of removing scattered powder from an internal space

The present invention provides a scattered powder cleaning device, comprising: a case having an exit formed at one side for the access of glass and an internal space; an opening and closing part for opening or closing the exit; a powder spray part provided to the case for spraying a predetermined amount of power at the internal space; and a cleaning part which forcibly scatters the powder dispersed at the internal space by forcibly introducing external air so as to discharge the powder to the outside if the glass escapes from the internal space.