Metal fusion bonding – Process – Plural joints
Patent
1992-03-10
1992-10-06
Heinrich, Samuel M.
Metal fusion bonding
Process
Plural joints
2281734, 228203, 22826315, 228 60, 220581, 48179, B23K 3102
Patent
active
051524520
ABSTRACT:
A sheet of work-hardenable, non-heat-treatable, corrosion-resistant steel is cold rolled into a tube (12) and welded (10). The cold rolling strengthens the material. The welding causes the weld area (10) to revert to its annealed condition, but the ends (24, 30) of the tube (12) are then swaged into open domes (14, 16) to form a symmetrically-swaged tube having further work-hardened ends which overcome the apparent weakness of the weld (10). A spherical disk (20) is then welded on to one end to form a bottom and a port section (26) is welded on to the other end to complete the bottle construction.
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Heinrich Samuel M.
York Industries, Inc.
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