Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1992-09-17
1993-12-28
Robinson, Ellis P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
428139, 428137, 428140, 428107, 428156, 428158, 428159, 428160, 428166, 428 365, 428 341, 264 464, 264 467, 264162, 264219, 264138, 264139, 523097, 5230917, 52 801, 52 802, 2989731, 29433, 29460, B21D 3900, B32B 324
Patent
active
052738035
ABSTRACT:
An apparatus and method for fabricating accurate, numerically defined curved surfaces and volumes comprising a skeleton framework having a plurality of bulkheads fixed in spaced relationship with each other, each of the bulkheads having an equal number of boreholes passing through the outer perimeter thereof so as to provide a set of selected boreholes. A flexible spline having a memory is passed through each set of mating boreholes and is secured with the boreholes after the splines have reached their static states. The resultant framework is encased in a cured polymer and the polymer is trimmed and faired between the outer edges of the splines.
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patent: 5000990 (1991-03-01), Freeman
patent: 5027496 (1991-07-01), Zuccato
Benoit John E.
Robinson Ellis P.
Watkins III William P.
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