Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Making hole or aperture in article
Patent
1994-06-20
1996-02-20
Davis, Robert B.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Making hole or aperture in article
264138, 264220, 264554, B29C 3340, B29C 5110
Patent
active
054926637
ABSTRACT:
The invention provides a method by which the mold for a molded vehicle component can be engraved with a grain pattern to match the stretched grain pattern of an adjacent vehicle panel covered by a stretched vinyl sheet. According to the method, a grained vinyl sheet is stretched over a model of the vehicle panel so that the grained pattern of the vinyl is distorted. A portion of the vinyl sheet is then severed at the region to be occupied by the molded component and this severed portion of the vinyl sheet is used as a master for engraving the mold for the molded component.
REFERENCES:
patent: 3562049 (1971-02-01), Maher
patent: 3751540 (1973-08-01), Prahl, Jr. et al.
patent: 4273738 (1981-06-01), Spengler
patent: 4568404 (1986-02-01), Herring
patent: 5204033 (1993-04-01), Pearce et al.
Albert Charles P.
Greenwald Pamela S.
Haines Paul A.
Hartman Allan R.
Osborn Spidola
Davis Robert B.
General Motors Corporation
Leahy Charles E.
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