Method of providing a decorative pattern on a screw head

Details Method of providing a decorative pattern on a screw head Method of providing a decorative pattern on a screw head

1993-08-17

1994-11-01

Owens, Terry J.

Coating processes

Nonuniform coating

Applying superposed diverse coatings or coating a coated base

427277, 427278, 470 9, B05D 506

Patent

active

053606396

ABSTRACT:
A decorative screw is manufactured by forming a three-dimensional pattern on the whole surface of the head of a screw, depositing a coating or plating film on the whole surface of the pattern and grinding the projecting areas of the pattern to provide the screw head with a decorative three-dimensional pattern.

REFERENCES:
patent: 2326455 (1943-08-01), Gray
patent: 3592100 (1971-07-01), Mackiewicz
patent: 3693495 (1972-09-01), Wagner
patent: 3907608 (1975-09-01), Barrett et al.

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