Method for friction stir welding and friction stir welded workpiece
M Werz, S Weihe - US Patent 10,835,989, 2020 - Google Patents
In a method of friction stir welding two pieces of material of greatly differing melting
temperatures, provision is made that the first piece of material is overlapped by the second …
temperatures, provision is made that the first piece of material is overlapped by the second …
Welding head for friction stir welding
Å Landmark - US Patent 11,305,375, 2022 - Google Patents
The friction stir welding head presented herein includes a head housing and an axle. The
head housing extends from a top end to an open bottom end and defines a bore extending …
head housing extends from a top end to an open bottom end and defines a bore extending …
Friction stir welding method and apparatus for structural steel
M Matsushita, R Ikeda, K Taniguchi - US Patent 11,241,755, 2022 - Google Patents
An object is to provide a friction stir welding method and apparatus that provide sufficient
strength and good welding workability by advantageously eliminating plastic flow defi ciency …
strength and good welding workability by advantageously eliminating plastic flow defi ciency …
Metal member and method of manufacturing the same
T Egawa, E Niisato, J Kitagawa, M Onoda - US Patent 11,833,612, 2023 - Google Patents
A metal member includes a first plate, and a second plate abutting against and welded to the
first plate in at least one butt portion. In the butt portion, a length from a first end to a second …
first plate in at least one butt portion. In the butt portion, a length from a first end to a second …
Metal member and method of manufacturing the same
T Egawa, E Niisato, J Kitagawa, M Onoda - US Patent 11,364,569, 2022 - Google Patents
A metal member includes a first plate, and a second plate abutting against and welded to the
first plate in at least one butt portion. In the butt portion, a length from a first end to a second …
first plate in at least one butt portion. In the butt portion, a length from a first end to a second …