A finished floor assembly covers a floor area of an aircraft and includes a subfloor, a padding assembly, and a finish flooring layer. Noise radiates from the subfloor due to vibrations transmitted by an aircraft structure. The padding assembly attenuates the noise and includes a first pad layer, a second pad layer, and a plurality of discontinuous couplings. The first pad layer abuts the subfloor. The second pad layer is adjacent to the first pad layer. The plurality of discontinuous couplings are laterally separated from each other along the floor area by void portions. The discontinuous couplings secure the first pad layer to the second pad layer and the first pad layer and the second pad layer are in contact at the void portions. The finish flooring layer disposed overtop the padding assembly.

A glazing includes a glass sheet or a glazed assembly including at least one hole; and at least one audio exciter mounted on a mounting, wherein the mounting is inserted into the at least one hole of the glass sheet or of the glazed assembly.

A glass sheet composite includes: two or more sheets; and an intermediate layer between at least a pair of the sheets. At least one of the pair of sheets is a glass sheet. The intermediate layer satisfies all of the following properties: (1) the intermediate layer has a thickness of 20 μm or less, (2) a compressive shear storage modulus at a temperature of 25° C. is 1.0×10.sup.4 Pa or less, and (3) at the temperature of 25° C. and 1 Hz, the compressive shear storage modulus is higher than a compressive shear loss modulus. The glass sheet composite has a loss coefficient at 25° C. of 0.01 or more, and a sheet-thickness-direction longitudinal wave acoustic velocity of 4.0×10.sup.3 m/s or more,

A structural panel includes a first skin, a second skin and a core. The core is connected to the first skin and the second skin. The core includes a corrugated sheet of wire mesh that includes a plurality of corrugations. Each of the corrugations extends vertically between and engages the first skin and the second skin.

Provided is a sodium-neutralized ethylene acid copolymer ionomer composition containing a specified silane additive in a specified amount and having enhanced adhesion properties to glass, a masterbatch composition suitable for producing such ionomer composition, an interlayer made from such ionomer composition, and a glass laminate comprising such interlayer.

The invention relates to a composite for production of an acoustic membrane, wherein the composite comprises an internal carrier layer and at least two adhesive layers on the two surfaces of the carier layer, and wherein the carrier layer is a layer of a polyaryl ether ketone film; and also to a corresponding membrane for acoustic transducers.

A composite material includes laminated composite material sheets having conductivity, partitioning members provided between end parts of sets of the composite material sheets to mutually separate the sets of the composite material sheets, and metal sheets respectively provided in the separated end parts of the composite material sheets so as to be respectively pinched between the composite material sheets.

A glass sheet composite having two or more glass sheets and a liquid layer between at least a pair of glass sheets out of the glass sheets, wherein a thickness of the liquid layer is 1/10 or less of a total thickness of the pair of glass sheets when a total thickness of the pair of glass sheets is 1 mm or less, and 100 μm or less when the total thickness of the pair of glass sheets is more than 1 mm.

The invention relates to a method of making an acoustic product and a novel acoustic product, wherein the acoustic product is made by adhering a facing to a first major surface of an acoustic insulation element by the use of an adhesive and curing the adhesive. The adhesive is an aqueous adhesive composition which comprises a component (i) in form of one or more oxidized lignins; a component (ii) in form of one or more cross-linkers; a component (iii) in form of one or more plasticizers.

Methods and apparatus to couple a decorative composite having a reinforcing layer to a panel are disclosed. An example apparatus includes a decorative layer and a first reinforcing layer coupled to the decorative layer. The example apparatus includes a coil reduction layer that is to apply a force to the first reinforcing layer to reduce coiling of the first reinforcing layer. The example apparatus includes an adhesive layer applied to the coil reduction layer that is coupled to the first reinforcing layer to enable the decorative layer to be coupled to a panel. A rigidity of the first reinforcing layer is to enable the first reinforcing layer to distribute a force exerted by at least one of gas or vapor disposed between the first reinforcing layer and the decorative layer to impede separation of a portion of the decorative layer from the panel.