Turning – Process of turning
Patent
1997-01-28
1998-11-24
Pitts, Andrea L.
Turning
Process of turning
82 18, 82 47, 82101, 29418, B23B 100
Patent
active
058393340
ABSTRACT:
The invention provides an ornamental article which can be produced readily in a mass together at a low cost without requiring a special skill and a production method therefor. The ornamental article is produced by fixing a base plate element having a three-dimensional pattern portion formed integrally thereon, to a chucking member for a lathe such that the three-dimensional pattern portion is fittably received in a complementary receiving portion of the chucking member, rotating the chucking member, and machining the base plate element by means of a cutting tool to remove the material of the base plate element until a boundary plane between the base plate element and the three-dimensional pattern portion is reached. The three-dimensional pattern portion of the ornamental article produced has an outer peripheral portion whose thickness gradually decreases toward an outer peripheral edge thereof so as to define an outer periphery contour line without exhibiting a steeply rising end face. When the ornamental article is attached to an object article, the three-dimensional pattern portion exhibits a continuous appearance to an outer face of the object article.
REFERENCES:
patent: 2268983 (1942-01-01), Gilmore et al.
patent: 2285583 (1942-06-01), Jennings et al.
patent: 3064531 (1962-11-01), Bullock
patent: 4406189 (1983-09-01), Neefe
Pitts Andrea L.
Tsai Henry W. H.
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