Metal fusion bonding – Process – With shaping
Patent
1978-05-25
1979-08-14
Husar, Francis S.
Metal fusion bonding
Process
With shaping
228165, 228175, 228225, B23K 900, B23K 2802
Patent
active
041643119
ABSTRACT:
A ferrous or like metal attachment or coupling, such as a heavy round lug, includes a generally cylindrical body having a beveled base and a divider land or keel extends diametrically across the base and projects downwardly therefrom and divides the beveled base into two generally coequal component weld surface areas on opposite sides. The body of the metal coupling is positioned at a desired and preselected point on the external surface of a metal pipe or tube whereupon the metal coupling is preliminarily welded to join the divider land or keel to the external surface of the metal pipe or tube. The metal pipe or tube with the metal coupling thus preliminarily welded thereto is then rotated alternately, or back and forth, to position each of the component weld surface areas in a generally vertical plane, and with the axis and progression of the weld in a generally horizontal plane, with weld metal being applied generally from above, first in one of the component weld surface areas and then in the other component weld surface area, and this operation is repeated or continued in successive steps or passes with additional weld metal being applied in increments at each successive step or pass until the welding of the metal coupling to the metal pipe or tube has been completed. The attached metal coupling may further be drilled through to provide an inlet port to the pipe or tube.
REFERENCES:
patent: 2163209 (1939-06-01), Pungel
patent: 2195256 (1940-03-01), Palmer
patent: 2226496 (1940-12-01), Jacocks
patent: 2848954 (1958-08-01), Aversten
patent: 3935987 (1976-02-01), Foster, Sr. et al.
Husar Francis S.
Ramsey Kenneth J.
Wisconsin Centrifugal Inc.
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