Continually-operated steel strip etching assembly for the removal of scale has upper and lower beams in-line with feed direction

摘要

An assembly continually etches a feed of steel strip (1) and has two etching zones (2, 3) in which the strip is in contact with the etching medium (4). The two zones are separated by a fixed seal (5). The seal consists of an beam and a lower beam. One beam seal is presented in-line with the direction (F) and stationary with respect to the direction (F) of steel advance.