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2 results about "Cubic foot" patented technology
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The cubic foot (symbol ft³) is an imperial and US customary (non-metric) unit of volume, used in the United States, and partially in Canada, and the United Kingdom. It is defined as the volume of a cube with sides of one foot (0.3048 m) in length. Its volume is 28.3168 liters or about ¹⁄₃₅ of a cubic meter.
Acoustic structures
PendingUS20260148724A1Transportation and packagingSynthetic resin layered productsMechanical engineeringVolume density
An acoustic structure includes a first core layer having a lattice structure between a first major surface and a second major surface, a first scrim coupled to the first major surface, a second scrim coupled to the second major surface, a second core layer having a lattice structure between a first major surface opposite a second major surface coupled to the second scrim, and a third scrim coupled to the second major surface of the second core layer. The acoustic structure has a bulk density of less than about 12 pounds per cubic foot.
Owner:ARMSTRONG WORLD IND INC
Composite material with elongate openings
A composite material comprises a first textile layer and a slit layer coupled to the first textile layer. The slit layer comprises a plurality of elongate slits configured to transition from a first state to a second state when actuated. The first state provides a first air permeability of less than about 10 cubic feet per minute (CFM) and the second state provides a second air permeability of greater than about 10 CFM.
Owner:NORTH FACE APPAREL CORP