Metal fusion bonding – Process – With shaping
Patent
1975-01-09
1976-09-28
Smith, Al Lawrence
Metal fusion bonding
Process
With shaping
B23K 3102
Patent
active
039826805
ABSTRACT:
A method for soldering a pipe comprises the following steps: forming a concave portion on a flat metal sheet with solder coated thereon uniformly over its whole surface, opening an aperture at the bottom of the concave portion, making said flat metal sheet circular to make a pipe, inserting a member into said concave portion and heating said pipe and member together to melt said solder so that it infiltrates into the clearance between the inner surface of said concave portion and outer surface of said member.
REFERENCES:
patent: 1823028 (1931-09-01), Caldwell
patent: 3386152 (1968-06-01), Plegat
Iijima Kazumi
Ishikawa Kanichi
Joyce Margaret
Nippondenso Co. Ltd.
Smith Al Lawrence
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