Can composed of electrolytically chromated steel

Details Can composed of electrolytically chromated steel Can composed of electrolytically chromated steel

1979-05-01

1981-10-20

Lesmes, George F.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

148 616, 148 62, 148 315, 204 14R, 204 41, 204 51, 220455, 428 35, 428418, 428460, 428469, B65D 700, C25D 1138, C23C 1700, B32B 1508

Patent

active

042961823

ABSTRACT:
A can at least a part of which is made of an electrolytically chromated steel sheet, said steel sheet having such a surface that when it is degreased in acetone for 1 minute and analyzed by an Auger electron spectrometer at an incident electron accelerating voltage of 3 KeV, a modulation voltage of 3 V, a modulation frequency of 12 to 20 KHz and a degree of vacuum of at least 6.times.10.sup.-8 torr, the ratio of the peak-peak distance (O.sub.P-P) of KL.sub.2.3 L.sub.2.3 of oxygen to the base-peak distance (Cr.sub.B-P) of L.sub.3 M.sub.2.3 M.sub.4.5 of chromium in the resulting Auger electron spectrum satisfies the following relation:

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