Stock material or miscellaneous articles – Collapsible article
Patent
1991-07-19
1993-08-10
Epstein, Henry F.
Stock material or miscellaneous articles
Collapsible article
428181, 4285422, 446488, A63H 3316
Patent
active
052347273
ABSTRACT:
Self-supporting structures of diverse shapes are disclosed that may be collapsed down to compact bundles. Structures of this type are comprised of units which are comprised of two strips having non-parallel pleat lines. By pleating these strips according to a special pleat pattern, these structures may collapse down and expand out in a smooth manner.
REFERENCES:
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patent: 3302321 (1967-02-01), Walker
patent: 3788934 (1974-01-01), Coppa
patent: 3894352 (1975-07-01), Hooker
patent: 4327516 (1982-05-01), Lubozynski
patent: 4780344 (1988-10-01), Hoberman
patent: 4981732 (1991-01-01), Hoberman
2D-Array Mission, American Institute of Aeronautics and Astronautics, Miura et al, pp. 363-368.
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