Static structures (e.g. – buildings) – Shaped or strengthened by fluid pressure – Intersecting tubular elements form framework
Patent
1995-08-14
1997-09-23
Mai, Lanna
Static structures (e.g., buildings)
Shaped or strengthened by fluid pressure
Intersecting tubular elements form framework
52 223, 52 224, 135 93, 135 95, 135137, E04G 1104
Patent
active
056691823
ABSTRACT:
An inflatable; convertible shelter and flotation device used for long distance hiking and camping expeditions. Cocoon is constructed of canvas and nylon. The canvas floor base is rubberized to allow for water proofing and air containment. A nylon lining is attached to the canvas and is held in place by Velcro strips. When used as a tent Cocoon's nylon lining is unfastened to form a wedge shaped tent. The canvas base can be inflated for insulation and sleeping comfort. When used as a flotation device the canvas base with three independently inflated air panels provide buoyancy for traversing rivers and lakes. Each inflatable panel contains air tight cells of different lengths. Grommets are secured at the end of each cell and provide openings for rope to be drawn through. Grommets and rope allows a gathering together of air-cell ends. A gathering together of each end of the inflated panels allows the base to form a tubular shape. Two way zippers set at each side of the base and running parallel to the air-cells allows for the end panels to be secured together. This configuration allows for a person to be surrounded by air. The spaced opening in the zippers allows for the upper part of a body to come through and navigate or propel Cocoon by paddling. Out of water a Cocoon in this configuration can be secured up in a tree to allow for an enclosure away from the ground and animal life.
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patent: 5217034 (1993-06-01), Yih et al.
patent: 5502927 (1996-04-01), Hammerton
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