Metal coating on non-metal body by tumbling

Claim 1

A PROCESS OF COATING NON-METALLIC SURFACES OF ARTICLES WITH A PLURALITY OF LAYERS OF METAL PARTICLES COMPRISING THE STEPS OF PLACING ARTICLES HAVING NON-METALLIC CLEAN SURFACES IN A CONTAINER, ADDING A PLURALITY OF INDIVIDUAL AND COMPLETELY DRY FINE PARTICLES OF A PLATING METAL, SAID PARTICLES BEING IN A SUBSTANTIALLY SPHERICAL AND NON-LAMINAR FORM, AND IN A MALLEABLE STATE AND FREE FROM STRAIN HARDENING AND CORROSION PRODUCTS, ADDING A CHARGE OF IMPACT MEDIA AND A CHARGE OF A SOLID ABRADABLE FILM FORMING SUBSTANCE CAPABLE OF FORMING A FILM OF THE SUBSTANCE ON THE ARTICLES AND METAL PARTICLES BUT INSUFFICIENT TO PREVENT THE FORMATION OF A GOOD LATTICE CONTACT BETWEEN THE METAL PLATING PARTICLE AND THE NON-METALLIC SURFACE, AGITATING THE CONTAINER TO CAUSE ABRASION BY SLIDING OF THE SUBSTANCE ON THE ARTICLES AND PARTICLES TO FORM A WEAK FILM OF THE SUBSTANCE ON THE ARTICLES AND METAL PARTICLES TO PROMOTE THE SUBSEQUENT COATING OF THE METAL PARTICLES ON THE ARTICLES, AND FURTHER TO CAUSE THE METAL PARTICLES TO BE PLASTICALLY DEFORMED AND WELD AND CONFORM TO THE MICROSCOPIC PROFILE OF THE ARTICLE AND TO WELD THE METAL PARTICLES TO EACH OTHE ON THE SURFACE TO FORM A CONTINUOUS SOLID METAL COATING HAVING A PLURALITY OF INTERFILTING LAYERS OF THE METAL PARTICLES, AND SPORADIC INCLUSIONS THROUGHOUT THE CONTINUOUS SOLID COATING OF SAID SOLID FILM FORMING SUBSTANCE, THE OPERATING TEMPERATURE ENABLING DISTORTION AND FLATTENING OF THE METAL PARTICLES AND BEING BELOW THE MELTING POINT OF THE METAL PARTICLES AND SUBSTANCE TO MAINTAIN THE COMPLETELY DRY CONDITION, AND THE OPERATION BEING CONDUCTED IN A LIQUID FREE ENVIRONMENT CHEMICALLY INERT TO THE SURFACES OF THE ARTICLES, THE METAL PARTICLES AND THE SUBSTANCE.