Method of investment casting with casting identification
OwnerSimon E. Coulsoninventor
Life of this patent
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Abstract
A method of investment casting a metallic article comprises providing on a fugitive pattern of the article to be cast a relief pattern representing a unique part identification number, investing the pattern in a shell mold, removing the pattern from the shell mold, and introducing molten metallic material into the shell mold to form the solidified cast article having the relief pattern cast-in-place permanently thereon.
Claims21
A method of investment casting a metallic article, comprising providing on a fugitive pattern of the article to be cast a relief pattern representing a unique part identification number, investing the fugitive pattern in a shell mold, removing the fugitive pattern from the shell mold, and introducing molten metallic material into the shell mold to form a solidified cast metallic article having the relief pattern cast-in-place permanently thereon.
An investment cast metallic article having a cast-in-place three dimensional bar code representing a part identification disposed on an exterior surface of said article.
An investment cast superalloy gas turbine engine blade having a cast-in-place three dimensional bar code representing a part identification disposed on an exterior surface of a root portion of the blade.
A method of investment casting a metallic article, comprising attaching an identification tag on a fugitive pattern of the article to be cast, investing the fugitive pattern in a shell mold such that information on the identification tag is transferred to the shell mold, removing the fugitive pattern and the identification tag from the shell mold, and introducing molten metallic material into the shell mold to form a cast metallic article having the information cast-in-place permanently thereon.
A method of investment casting a metallic article, comprising providing on a fugitive pattern of the article to be cast a three dimensional bar code, investing the fugitive pattern in a mold such that the three dimensional bar code is transferred to the shell mold, removing the fugitive pattern from the shell mold, and introducing molten metallic material into the shell mold to form a cast metallic article having the three dimensional bar code cast-in-place permanently on an exterior surface thereof.
Dependencies are inferred from the claim text.