Stock material or miscellaneous articles – Hollow or container type article – Cellular material derived from plant or animal source
Patent
1975-10-30
1977-01-25
McCamish, Marion E.
Stock material or miscellaneous articles
Hollow or container type article
Cellular material derived from plant or animal source
156170, 156186, 220 3, 220 83, 242 2, 242 3, 242 721, 242 723, 428294, B65D 742
Patent
active
040052338
ABSTRACT:
The present invention relates to a filament wound spherical structure comprising a plurality of filament band sets disposed about the surface of a mandrel with each band of each set formed of a continuous filament circumferentially wound about the mandrel a selected number of circuits and with each circuit of filament being wound parallel to and contiguous with an immediate previously wound circuit. Each filament band in each band set is wound at the same helix angle from the axis of revolution of the mandrel and all of the bands of each set are uniformly distributed about the mandrel circumference. The pole-to-equator wall thickness taper associated with each band set, as several contiguous band sets are wound about the mandrel starting at the poles, is accumulative as the band sets are nested to provide a complete filament wound sphere of essentially uniform thickness.
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Dritt William S.
Gerth Howard L.
Knight, Jr. Charles E.
Pardue Robert M.
Carlson Dean E.
Larcher Earl L.
McCamish Marion E.
The United States of America as represented by the United States
Zachry David S.
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