Backrest cushion for an air passenger seat
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United States of America Patent
Stats
-
Dec 27, 1988
Grant Date -
N/A
app pub date -
Jan 14, 1987
filing date -
Jan 31, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a backrest cushion of polyurethane foam in flame-retardant finish for air passenger seats, the protection against the risk of fire spreading is increased and at the same time the weight is reduced and the comfort increased according to the invention by making the whole volume of the backrest cushion of a flame-retardant foam and providing it, at least in the region which is put under pressure in use, with recesses extending parallel to the direction of pressure and all ending equidistant from the surface of the cushion.
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Family
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Cited Art Landscape
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