B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
B08B 3/08 (2006.01) B01D 17/00 (2006.01) B01D 61/14 (2006.01) B08B 3/14 (2006.01) C11D 3/18 (2006.01) C11D 7/50 (2006.01) C23G 1/24 (2006.01) C23G 5/024 (2006.01) C11D 7/24 (2006.01)
Patent
CA 2097936
2097936 9210314 PCTABS00013 A method for finishing metal surfaces, especially that of metal containers, using a cleaning agent (24) having a substantillay neutral pH is provided. In one embodiment of the invention lubricants and coolants (28) used during container forming processes are cleaned from the surface of metal containers by using a terpene cleaning agent (24) comprising d-limonen, alpha-terpineol, beta-terpineol, alpha-pinene, beta-pinene, alcohols of such agents or mixtures thereof. Surfactants may also be used to aid in the cleaning process. The organic component of the cleaning agent, as well as lubricants, coolants (28) and aqueous components (34), are separated for recycling and reuse. Cleaning metal surfaces according to the method of the present invention has many attendant advantages including decreased roughness and increased reflectivity of metal surfaces, increased mobility on a container production line, and reduced amounts of paint, overcoat and internal coat required to decorate metal surfaces.
Hamilton C. Richard
Marsh Ralph Z.
Thompson Russ
Golden Technologies Company Inc.
Sim & Mcburney
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