Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1987-09-11
1989-04-04
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156300, 156301, 156552, 5449, B32B 3106, B32B 3108, B32B 3110, A47C 2708
Patent
active
048183245
ABSTRACT:
A method for fabricating thin mattresses and the article manufactured thereby in which small hollow spheres are used for both connecting and separating two parallel layers of a structural material that constitute the mattress surfaces. The spherical shells are generally flexible and are filled with a fluid selected for the article application. The article outer skins or layers are also generally flexible and may be stretchable. The spherical shells make two point-contacts, one with each skin, and become bonded to the skins during the fabrication process. The skins may be air-tight or permeable and even provide built-in passages either through the mattress thickness or from the mattress internal volume to either one of the mattress two sides. The shells are impermeable and may or may not contact one another. In any event, they are not bonded to each other. Depending on the nature of the skin materials, the mattress may be highly flexible, but in all cases is compressible if the shells are also flexible. The use of rigid shells renders the mattress incompressible, although the mattress could be highly flexible. In all instances, the mattress is of very light weight but can still be structurally very strong. Many varied applications may beneficially use such articles.
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Aftergut Jeff H.
Ball Michael W.
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