Beds – Bedclothing – And means to facilitate changing thereof
Patent
1988-02-19
1990-07-17
Grosz, Alexander
Beds
Bedclothing
And means to facilitate changing thereof
5451, 156217, A47C 2708
Patent
active
049412230
ABSTRACT:
An improved construction for an air perimeter support for the marginal perimeter of a waterbed mattress, and the method for manufacturing such improved air perimeter support. The improved air perimeter support includes a first sheet of flexible, substantially dimensionally stable material folded back on itself and joined together at a location spaced from the longitudinal marginal side edges thereof to form an elongated chamber, of substantially rectangular cross-section, intermediate the marginal side edges. One longitudinal marginal side edge is again folded back and joined to the chamber at the wall opposite the wall formed by the other longitudinal marginal side edge. A second sheet of flexible, substantially dimensionally stable material, is located in the interior of the elongated chamber and joined to at least three adjacent walls of the chamber starting with the the wall to which the one longitudinal marginal side edge is joined and going around said chamber opposite to the fold of the one longitudinal marginal side edge.
REFERENCES:
patent: 4513463 (1985-04-01), Santo
patent: 4700419 (1987-10-01), Santo
Grosz Alexander
Kessler Lawrence P.
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