Beds – Bedclothing – And means to facilitate changing thereof
Patent
1994-07-18
1995-09-26
Trettel, Michael F.
Beds
Bedclothing
And means to facilitate changing thereof
5420, 5481, 5476, 5458, A47C 2708
Patent
active
054524873
ABSTRACT:
An inflatable enclosure useful as a matress is described which has first (bottom) and second (top) broad surfaces connected at their edges to form the enclosure, the bottom being formed of a substantially air-impermeable resilient closed-cell foam wherein the thickness and density of the closed-cell foam has been selected to provide semi-rigid characteristics between adjacent points of support and the top being formed of material selected from an air-impermeable resilient closed-cell foam and a flexible air-impervious material, said first surface being connected around its edges to a flexible air-impervious material which is in turn attached around the edges of the second surface to form the enclosure, the enclosure having at least one closable means for admitting a fluid to and releasing fluid from the enclosure.
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patent: 5329656 (1994-06-01), Leggett
Gates Stephen
Hendricks Glenna
Trettel Michael F.
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