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US 2004/0164130 A1Published application
Brazing flux for dry application
AssigneeSolvay Fluor and Derivate GmbH
InventorsHans-Walter Swidersky, Alfred Ottmann, Heinz-Joachim Belt
Life of this patent
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Abstract
A flux based on alkali fluoroaluminate is described which is highly suitable for dry application (“dry fluxing”). This is a flux which is free of fine-grained fraction, which is defined by a range of grain-size distribution.
Claims3
A process for joining components of aluminium or aluminium alloy, said process comprising
- applying a flux having a particle volume distribution lying within the area bounded by Curves 1 and 2 of FIG. 10 to the components to be joined, wherein said flux is applied dry and electrostatically charged, and
- thereafter heating the components to braze them together.
Dependencies are inferred from the claim text.