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Solid cartridge for a pulse weld forming electrode and method of joining tubular members

United States Patent

February 23, 2016
View the Complete Patent at the US Patent & Trademark Office
A cartridge assembly is disclosed for a pulse welding a first tube supported on a mandrel to a second tube. An outer tool is assembled over the second tube and a stored charge is discharged in the cartridge assembly. The cartridge comprises an annular conductor and a solid casing enveloping the conductor. The stored charge is electrically connected to the conductor and discharged through the conductor to compress the second tube and pulse weld the second tube to the first tube.
Bonnen; John Joseph Francis (Milford, MI), Golovashchenko; Sergey Fedorovich (Beverly Hills, MI), Mamutov; Alexander (Dearborn, MI), Maison; Lloyd Douglas (Brownstown Township, MI), Dawson; Scott Alwyn (Royal Oak, MI), deVries; James (Redford, MI)
Ford Global Technologies, LLC (Dearborn, MI)
14/ 321,942
July 2, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The invention was made with Government support under Contract No. DE-EE0006432 awarded by the Department of Energy. The Government has certain rights to the invention.