Article identification method

Details Article identification method Article identification method

1980-03-04

1982-02-23

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156634, 156654, 156663, 252 793, 428131, B44C 122, C03C 1500, C03C 2506

Patent

active

043167667

ABSTRACT:
A method of defining an identification marking on an article comprising the location, on a surface of the article in a required area, of a stencil defining a required identification marking; the stencil preferably being temporarily adhered to the surface by means of glue or adhesive, applying to the stencil to contact the surface through the identification marking defined by the stencil, an active substance which is corrosive to, or a solvent of, the material defining said surface of the article; allowing such contact between the active substance and surface to persist for a selected length of time; and thereafter removing the stencil and active substance adhered thereto from the article and cleaning the surface.

REFERENCES:
patent: 2067925 (1937-01-01), Clayton-Kenney
patent: 2127781 (1938-08-01), McKay

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