Method of making complexly curved mold

Details Method of making complexly curved mold Method of making complexly curved mold

1986-09-15

1987-09-01

Ramsey, Kenneth J.

Metal fusion bonding

Process

Plural joints

228178, 228212, 428603, B23K 3102

Patent

active

046903194

ABSTRACT:
A complexly curved mold and method of fabricating same provides a highly accuate form for producing complexly curved panels such as automobile lights and the like. The mold comprises a lattice-work support or grid having one surface which conforms to the desired contour of the product. The lattice-work comprises and is assembled from a plurality of strips of a material such as stainless steel or similarly relatively high strength material which are arranged in two parallel arrays disposed normal to one another and secured together to form the lattice-work support. A plurality of plates which have been shaped by rolling, bending, or other forming means to conform to areas of the mold define the face of the mold. They are secured to the lattice-work support by suitable means such as welding. The face of the mold may also include a plurality of apertures arranged in a grid through which a vacuum may be drawn to ensure intimate contact between the product and the mold face.

REFERENCES:
patent: 2326430 (1943-08-01), Blanchard
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patent: 4274858 (1981-06-01), Claasen et al.
patent: 4410487 (1983-10-01), Tautz et al.
patent: 4483702 (1984-11-01), Frank et al.
patent: 4610901 (1986-09-01), Linscott et al.

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