Coating processes – Foraminous product produced – Metal base
Patent
1984-03-28
1985-10-08
Lawrence, Evan K.
Coating processes
Foraminous product produced
Metal base
427289, 427292, 427348, 427369, 427409, 427410, 427418, 4274195, 427421, 427427, B05D 312, B05D 714
Patent
active
045460159
ABSTRACT:
A method for providing corrosion protection with the use of a corrosion protection product for protecting an outer covering on a metal body from corrosive undermining. The corrosion protection product is an inner protective material used in connection with a metal body having an outer surface, pores communicating with the outer surface, and a covering of outer protective material that is bonded to the outer surface and bridges over the pores. The inner protective material is a liquid medium, preferably oil, which is substantially impervious to atmospheric corrosive agents, having therein a suspension of finely divided particulate material, preferably paint pigment. The inner protective material is introduced into the pores, and any of the inner protective material that may remain on the outer surface is selectively removed, leaving bodies of the inner protective material in the pores. Some of the finely divided particulate material is impelled inwardly relative to the liquid medium in the pores so as to substantially seal off small inner channel portions of the pores and thereby stabilize the location of the bodies of inner protective material in the pores, both pending application of the outer covering and after the application of the outer covering over a long operational life of the resulting corrosion protection structure, so that the inner protective material is properly located for optimum protection of the outer covering from corrosive undermining.
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Hawley, G. G., The Condensed Chemical Dictionary, Ninth Edition, New York, Van Nostrand Reinhold Company, 1977, pp. 506, 508, 515, 535.
Jameson, Lewis, Manufacturers' Practical Recipes, vol. I, London, England, Lewis Jameson and Co., 1902, pp. 248-249.
Gabriel Albert L.
Lawrence Evan K.
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