C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
117/100, 31/34
C09D 5/08 (2006.01) C23C 26/00 (2006.01) C23F 15/00 (2006.01)
Patent
CA 1161631
ABSTRACT OF THE DISCLOSURE A corrosion protection product for protecting an outer covering on a metal body from corrosive under- mining, the method of providing corrosion protection with the use of such product, and the resulting corro- sion protection structure. The corrosion protection product is an inner protective material used in connec- tion 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 out- er surface and bridges over the pores. The inner pro- tective material is a liquid medium, preferably oil, which is substantially impervious to atmospheric corro- sive agents, having therein a suspension of finely di- vided 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 cover- ing and after the application of the outer covering over a long operational life of the resulting corrosion pro- tection structure, so that the inner protective material is properly located for optimum protection of the outer covering from corrosive undermining.
392662
Lovell Roger
Ridout & Maybee Llp
LandOfFree
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