Electrolysis: processes – compositions used therein – and methods – Electrolytic analysis or testing – For corrosion
Reexamination Certificate
2007-02-27
2007-02-27
Bell, Bruce F. (Department: 1746)
Electrolysis: processes, compositions used therein, and methods
Electrolytic analysis or testing
For corrosion
C205S777000, C205S725000, C205S730000, C205S731000, C205S735000, C205S736000, C205S740000
Reexamination Certificate
active
10477361
ABSTRACT:
The present invention provides a method of testing a cryogenic metal tank before it is put into service, in which said method said tank (1) is filled with water and appropriate measurements are performed where necessary, the method being characterized in that the following steps are performed:filling said metal cryogenic tank (1) with sea water; andproviding the bottom and side metal walls (2, 3) of said tank (1) that are constituted essentially by bare steel, with temporary cathodic protection by injecting an electric current into anodes disposed within said tank (1) once said anodes become immersed.Advantageously, a first anode array (51) is placed in the immediate vicinity of the bottom of the tank using support means (52), said support means (52) and said first anode(s) (51) preferably being removable. Said first anodes (51) are preferably disposed around a circle (C1) concentric about the center of the surface of the bottom of the tank, and preferably the diameter of said circle (C1) is 40% to 75% the diameter of the bottom surface (2) of the tank.
REFERENCES:
patent: 2941935 (1960-06-01), Millet et al.
patent: 3479256 (1969-11-01), Smith et al.
patent: 3855102 (1974-12-01), Palmer
patent: 4796676 (1989-01-01), Hendershot et al.
patent: 4798657 (1989-01-01), Kochilla et al.
patent: 4936969 (1990-06-01), Garlinger
patent: 4971663 (1990-11-01), Sadoway et al.
patent: 5643424 (1997-07-01), Riffe et al.
patent: 6132593 (2000-10-01), Tan
patent: 6511586 (2003-01-01), Nakashima et al.
patent: 6540886 (2003-04-01), Russell
patent: 6809506 (2004-10-01), Thomas et al.
patent: 0 258 170 (1996-08-01), None
patent: 1.082.119 (1954-12-01), None
patent: 08 142 978 (1996-06-01), None
Bell Bruce F.
Cohen Pontani Lieberman & Pavane LLC
Saipem S.A.
LandOfFree
Cryogenic tank testing method including cathodic protection does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Cryogenic tank testing method including cathodic protection, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cryogenic tank testing method including cathodic protection will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3831210