Polyhedral annular structures, and blanks therefor

Details Polyhedral annular structures, and blanks therefor Polyhedral annular structures, and blanks therefor

1975-07-07

1977-01-11

Shay, F. Barry

Stock material or miscellaneous articles

Composite

Of bituminous or tarry residue

52 86, 93 84R, 428 9, A63H 3316

Patent

active

040019640

ABSTRACT:
Folded structures which are polyhedrons of generally toroidal shape, movable to various different stable configurations, made up of a series of hinged trapezoids.

REFERENCES:
patent: 2164966 (1939-07-01), Tutein
patent: 3302321 (1967-02-01), Walker
patent: 3346998 (1967-10-01), Nelson

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