Compound curve-flat pattern process

Details Compound curve-flat pattern process Compound curve-flat pattern process

1982-07-26

1985-08-13

Kimlin, Edward

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 58, 156 59, 156191, 156194, 156265, 156297, B29C 1704, B65H 8100, B32B 3100

Patent

active

045348138

ABSTRACT:
Flat pattern equivalents for curved surfaces may be generated by developing a regular network of quadrilateral grid elements resembling a fish net which is mathematically smoothed onto the curved surface. Surface features such as boundaries and cutouts are mapped onto the network. The network is then transformed onto a flat mapping plane to form a grid in a manner analagous to smoothing a fish net mesh onto a flat surface. The surface features are then transformed to the flat surface grid.
Individual plies or parts are then cut based upon the flat patterns. The plies or parts will conform to the curved surface exactly.

REFERENCES:
patent: 3503820 (1970-03-01), Galbato
patent: 3539410 (1970-11-01), Meyer
patent: 3622323 (1971-11-01), Fraser
patent: 3700535 (1972-10-01), McCoy et al.

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