Patent ID: 8926756
Filing Date: 2015-01-06
Classification: C23C

Abstract:
1. A strip passing apparatus configured as a sealing-type comprising: upper and lower sealing rolls dealing with variations in a thickness of a proceeding strip, the upper and lower sealing rolls allowing the strip to pass; and a strip sealing unit dealing with variations in a width of the proceeding strip, the strip sealing unit cooperating with the upper and lower sealing rolls to seal the proceeding strip passing through a chamber in a state in which the strip sealing unit surrounds the proceeding strip, wherein the strip sealing unit comprises: first and second sealing plates disposed above and below the strip, respectively; and third and fourth sealing plates disposed on both sides of the strip, the third and fourth sealing plates being assembled in one pair, wherein the sealing-type strip passing apparatus surrounds the strip in all directions to seal the strip, and wherein the first sealing plate is movably provided on the chamber using a third driving source as a medium so that the first sealing plate is closely attached to the upper sealing roll ascending according to the variations in the thickness of the strip, and the second sealing plate is connected to the chamber to maintain a close attachment to the lower sealing roll.