Patent ID: 6136380
Filing Date: 2000-10-24
Classification: B23K,F28D

Abstract:
A method of coating an aluminum extruded tubed strip with a brazing material comprising the steps of:immersing an aluminum extruded tubed strip to be coated in an immersion tank containing a slurry of brazing material having a combination of brazing metallic powder and brazing flux powder mixed in alcohol which has an acrylic resin binder dissolved therein, to produce a slurry coated strip;agitating the slurry in the immersion tank while the strip is immersed in said slurry to maintain a homogeneous slurry composition in said tank;pulling up said slurry coated strip substantially vertically from said immersion tank; andbaking said slurry coated strip with drying means placed above said immersion tank to stick said slurry onto said strip after excess slurry drip off has stopped and while said slurry coated strip is being pulled up substantially vertically from said immersion tank,said immersion step and said baking step being performed within a main body forming said immersion tank and enclosing said drying means.