Metal fusion bonding – Process – With supplementary mechanical joining
Patent
1977-12-08
1979-01-09
Smith, Al Lawrence
Metal fusion bonding
Process
With supplementary mechanical joining
29155R, 29469, 52745, 228176, 228182, B23K 3102, E04B 118, E04B 135
Patent
active
041334728
ABSTRACT:
A structural unit that is specially formed to include four welded corner sections, which can be temporarily connected together in pairs to form two smaller units for transportation to the point of use, and which can then be assembled together to form a large rectangular structural unit that may have a variety of uses, such as in conveying fluids, or in the construction of buildings, bridges or the like, or in forming tunnels, shafts or the like.
REFERENCES:
patent: 1948931 (1934-02-01), Mears
patent: 3609929 (1971-10-01), Brown et al.
patent: 3694990 (1972-10-01), Pamer
patent: 3710534 (1973-01-01), McNamara
patent: 3871146 (1975-03-01), Hamy
patent: 4021976 (1977-05-01), Colma
Ramsey K. J.
Smith Al Lawrence
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