Patent · US Expired

Brazing flux for dry application

US7401724B2 · kind B2 · utility

2Cited by

6References

4Claims

0Family size

Assignee

SOLVAY FLUOR und DERIVATE GmbH · DE

Inventors

Hans-Walter Swidersky · Hannover, DE
Alfred Ottmann · Hannöver, DE
Heinz-Joachim Belt · Burgwedel, DE

Key dates

Filing date	Feb 25, 2004
Grant date	Jul 22, 2008
Priority date	—
Expiry date	Apr 24, 2024

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23K35/3605
WIPO fieldMachine tools
WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.