Sep , A panel wall system is composed of a multiplicity of rectangular panels arranged in closely spaced relation in columns and rows such as to define of a top member, a bottom member and a pair of side members joined at the respective corners and a facing of sheet material adhesively bonded to the frame.
A recognized disadvantage of metal sheathed acoustic panels is that the metal surfaces are responsive to vibrational excitation, and have a tendency to resonate and thus amplify the sound Although certain materials such as asphalt and felts will provide some damping to prevent resonating, these materials have a low
Mar , The sound proof material is integrally attachable to an automotive sheet material such as a dashboard of a damping material comprising a damping sheet a and a constraining material b, a sound absorption material and a surface material laminated together on that order, as shown in FIG.
Apr , Channels along the top and bottom edges accept two panels to form a studless wall having an inner and outer panel The panels There are a number of disadvantages exhibited when using traditional western building techniques particularly in light of increasing material and labor costs Stud material is
Asbestos bases have proved to be expensive and difficult to install as wall board panels Plasterboard and gypsum base boards have generally been proved to be difficult to process without damaging the delicate base of the material and have been deemed unsatisfactory because of the fragile, exposed edges of the board
A construction material in sheet form having at least two water barriers including a water impermeable foamed intermediate layer, a mineral based interior layer, and a Upon application or assembly, the sheetsor panels disclosed in Payne are joined and then the joined panels are covered with two or more layers of the
Nov , A sheet according to claim , wherein said cementitious material is a mixture of alpha calcium sulfate hemihydrate and hydraulic cement Wall panels or wallboards made of rehydrated stucco conventionally comprise a gypsum core of uniform density sandwiched between two paper cover sheets.
Such prior art methods are subject to the disadvantage in that the properties of the resulting sheet or laminate are defecive because they, from a number of , there may be employed a moving screen or, if desired, the screen may be eliminated and a perforated or porous top or covering may be employed In FIG.
Flooring material of the invention may be strip flooring, such as tongue and groove strip flooring, or parquet block flooring For flooring or wall paneling use, edges of the strip panels may be straight cut or bevelled Alternatively, the unfinished laminated planks may be sold for use as is, or for finishing With reference to the
the respective plies of laminates in the formation of laminated products such as wall panels, table tops and other decorative surfaces Such laminates are produced by bonding one or more resin impregnated paper sheets such as sheets of alpha cellulose to a core material comprising, for example, phenol formaldehyde
The invention more specifically concerns a new and improved method and apparatus for the lamination of plastic and other similar sheet materials and the method and apparatus which overcome the disadvantages of known laminating procedures and provide an improved product wherein the laminated sheets or films
Feb , The composite material of claim , wherein said solid state phase change material is laminated between facing sheets comprising said contact materials The partially filled, multichannel polymer panel can serve as a self contained Trombe wall with integral storage and integral external glazing .
Jun , The skin panel is connected to stiffening elements () made of a laminate of second metal sheets and second fiber reinforced polymer layers set by the aviation and space industry more effectively, and that inter alia does not have the disadvantages referred to above or only to a lesser extent.
May , A building wall structure formed from a plurality of paperboard honeycomb layers adhesively secured to each other in vertical arrangement, each ,, teaches a building panel having a core comprised of heavy paper honeycomb material with a seamless covering of moldable material such as
May , This invention also discloses a means for joining sandwich laminates and panels which is particularly useful in the trailer body construction as well as other It is an object of this invention to provide improved wall and structural panel materials, which is accomplished by the metal resin metal laminates of
Nov , a facing sheet overlying and secured to said backing sheet, said facing sheet is a laminate of plywood and a plastic sheet, the plastic sheet having a thickness In the prior approach to forming architectural concrete walls, forms were typically made of sheets or panels of plywood attached to a framework of