Bright welded seam can of tinplate

Details Bright welded seam can of tinplate Bright welded seam can of tinplate

1980-04-11

1981-08-11

Lewis, Michael L.

Receptacles

Outlet or junction box type

Sectional receptacle

219 64, 220DIG19, 403271, 428556, 428629, 428633, 428687, 428648, B65D 738

Patent

active

042829810

ABSTRACT:
Disclosed is a bright welded seam can of tinplate having a side seam formed by welding, wherein each of the inner and outer surfaces of the side seam has an outermost surface layer having a thickness of 50 to 400 A and being composed of oxides and a subsequent intermediate layer composed of an iron-tin alloy, which has a thickness corresponding to 5 to 100% of the thickness of the whole tin layer in the tinplate blank, and wherein the inner and outer surfaces of the side seam have a reflectance corresponding to at least 60% of the reflectance of the tinplate.
This bright welded seam can is excellent in the appearance of the seam, the corrosion resistance and the adhesion of the coating.

REFERENCES:
patent: 3468453 (1969-09-01), Erlandson
patent: 4104135 (1978-08-01), Fujimalu et al.
patent: 4190504 (1980-02-01), Usui
patent: 4193530 (1980-03-01), Holmes
patent: 4223196 (1980-09-01), Erlandson et al.

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