Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1979-01-02
1981-06-23
Lawrence, Evan K.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
428321, B32B 326
Patent
active
042751110
ABSTRACT:
A corrosion protection structure for a metal body having pores which communicate with the outer surface of the body is designed to protect against corrosive agents of the atmosphere and marine environments. The structure comprises an inner protective material substantially impervious to atmospheric corrosive agents disposed within the pores, the outer surface of the body being free of the material, and a solid outer protective material, different from the inner material and substantially impervious to atmospheric corrosive agents and to the inner material, covering the outer surface and the pores and intimately bonded to the outer surface. To form the corrosion protection structure, the pores of the body are impregnated with the inner protective material, preferably oil. After the impregnation, any of the inner protective material such as oil that may remain on the outer surface of the metal is selectively removed while the inner protective material in the pores is selectively retained. Thereafter, the outer protective covering material, preferably a resin, is applied over the outer surface and pores and intimately bonded to the metal surface to protect the metal from corrosion initiating from the outside. The inner protective material remains operatively disposed in the pores to protect the covering from corrosive undermining.
REFERENCES:
patent: 187559 (1877-02-01), Richardson
patent: 663281 (1900-12-01), Kopp
patent: 1159748 (1915-11-01), Comstock
patent: 1638342 (1927-08-01), Kessler
patent: 1834746 (1931-12-01), Short
patent: 2288633 (1942-07-01), Luckhaupt
patent: 2796363 (1957-06-01), Lalone
Gabriel Albert L.
Lawrence Evan K.
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