Method for surface treatment of plastic material and apparatus u

Details Method for surface treatment of plastic material and apparatus u Method for surface treatment of plastic material and apparatus u

1992-10-20

1993-12-14

Bell, Mark L.

Abrasive tool making process, material, or composition

Miscellaneous

51295, B24D 300

Patent

active

052698203

ABSTRACT:
Using a treating solution which is easy to dispose after use, the surface of a plastic material is treated so that the treated surface has good adhesion to a coating film to be formed thereon. An aqueous dispersion containing an abrasive which is harder than a plastic material to be surface-treated, is pressurized to about 1.0-200 kg/cm.sup.2 and then is injected onto the surface of said plastic material through an injection nozzle. An airless spray gun having said injection nozzle is supported by a polyaxis type or articulated type robot. Thus, the surface of a plastic material is ground and converted into a rough surface and then coatings are applied thereon.

REFERENCES:
patent: 3628295 (1971-12-01), Curtiss
patent: 4047903 (1977-09-01), Hesse et al.
patent: 4457766 (1984-07-01), Caul
patent: 4644703 (1987-02-01), Kaczmarek et al.
patent: 4773920 (1988-09-01), Chasman et al.
patent: 5014468 (1991-05-01), Ravipati et al.

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