PICKLING PLANT Russian patent published in 2008 - IPC C23F1/08 C23G3/00 

FIELD: mechanics in chemical industry branch, namely pickling foiled surfaces of blanks of printed circuit boards in order to improve their adhesion properties before pressing or cementing blanks.

SUBSTANCE: plant includes support made of welded rolled angles within which two welded tanks of vinyl plastics sheets are arranged. One tank for water is provided with jacket having union for overflow coincided from outside with opening in bottom of jacket and welded to it. On support four guides with openings are fastened by means of bolt joint; in said openings frame with two bridges for mounting in them suspensions with parts is arranged. Said frame is mounted with possibility of reciprocation motion with the aid of lever jointly coupled by means of pivots with two members made of sheet of stainless steel and with sleeve fit on output end of shaft of actuating mechanism mounted on flat face of welded-structure bracket secured to support. In order to provide removal of harmful evaporated matters, plant is provided with passage whose one end is secured to support by means of bolt joint and whose other end is secured by means of bolt joint to exhaust gas duct. Tanks are closed with hood.

EFFECT: enhanced reliability of joining blanks of printed circuit boards.

11 dwg