Matches 1 - 50 out of 62 1 2 >
Match Document Document Title
7617606 Composite door, door core and method of manufacture  
A method for making the core of a door of autoclaved aerated concrete (AAC). A billet of AAC is provided from which slabs are cut to the approximate dimensions of the door core. A reinforcing band...
7445738 Multi-layer process and apparatus for producing high strength fiber-reinforced structural cementitious panels  
A multi-layer process for producing structural cementitious panels, includes, a. providing a moving web; b. one of depositing a first layer of loose fibers upon the web and c. depositing a layer of...
7244328 Composite door, door core and method of manufacture  
A method for making the core of a door of autoclaved aerated concrete (AAC). A billet of AAC is provided from which slabs are cut to the approximate dimensions of the door core. A reinforcing band...
6998359 Article and process for maintaining orientation of a fiber reinforced matt layer in a sandwiched urethane construction  
A multiple layer fiber reinforced material and method of constructing the same including the provision of a first layer of a roll lofted glass material. Optional variants include the...
6632550 Gypsum-containing product having increased resistance to permanent deformation and method and composition for producing it  
The invention provides a set gypsum-containing product having increased resistance to permanent deformation and a method for preparing it comprising forming a mixture of a calcium sulfate material,...
6547901 Reinforced plasterboard  
A reinforced plasterboard has a first layer of paper, a core of a cementitious material, a mesh reinforcement and adjacent to that mesh reinforcement a further layer of paper. The mesh may be in...
6508895 Method of producing gypsum/fiber board  
A gypsum/fiber board having improved impact resistance is produced by mixing predetermined amounts of fibers, calcined gypsum and water to form a mixture of wetted, loose fibers; laying out a...
6488792 Method and apparatus for manufacturing cementitious panel with reinforced longitudinal edge  
A cementitious panel comprising a cementitious core which is fabric-reinforced at the surface thereof and whose longitudinal edges are reinforced by a network of fibers. A panel may be obtained...
6475313 Process for making gypsum board having improved through-penetration strength  
This invention relates to a process for making gypsum board comprising feeding a paper backing sheet and a fiberglass or plastic woven or non-woven scrim material in alignment to a board forming...
6106607 Composition for hydrophobing gypsum and methods for the preparation and use thereof  
A water repellent composition for gypsum containing masonry materials is disclosed. The composition contains as organohydrogensiloxane and polyvinyl alcohol, the combination of which provides...
6063472 Architectural material and a process of production thereof  
The present invention provides an architectural material obtained by forming a decorative layer containing calcium carbonate as a binder component on the surface of a base material, and laminating...
6054205 Glass fiber facing sheet and method of making same  
The invention provides a glass fiber facing sheet for engineered surfaces such as cement boards which reduces the pitting associated with open mesh glass scrims. The glass fiber facing sheet...
5985061 Inorganic board and a method of manufacturing said inorganic board  
An inorganic board consisting of an inorganic base layer formed by a paper making method and an inorganic surface layer formed by the dry method on said inorganic base layer is provided in the...
5922447 Lightweight gypsum board  
A lightweight gypsum board is provided, including, by dry weight, gypsum as the largest single ingredient, perlite as the second largest single ingredient, and starch as a minor ingredient, in the...
5804003 Method of manufacturing an inorganic board  
The object of the present invention is to prevent delamination of an inorganic board. To attain this object, a method of manufacturing an inorganic board comprising forming a single mat by the...
5637362 Thin, sealant-coated, fiber-reinforced gypsum panel  
A process for making a thin, sealant-coated, fire and indentation resistant gypsum panel. A layer of a mixture of cellulosic fibers moistened with water and an additive to restrict the adhesion of...
5520779 Process and apparatus for producing fiber-reinforced plaster plates  
Process and apparatus for the continuous production of gypsum fiber plates in which the fiber component is dewatered and rediluted with water recovered from the gypsum-fiber suspension after it has...
5510198 Re-usable cement forms  
This invention relates to a panel of material comprising a film comprising a layer of a solid polyolefin and a layer of copolyester wherein said copolyester comprises: (1) a dicarboxylic acid...
5391245 Fire-resistant building component  
A method of, and compositions for, the making of a fire-resistant door core assembly. Doors produced from the door core assemblies. In the making of a door core assembly, an aqueous slurry...
5350554 Method for production of reinforced cementitious panels  
A method and apparatus for producing light-weight construction panels having a cementitious core layer surfaced with a layer of reinforcing fabric bonded to the two faces of the core includes the...
5342566 Method of manufacturing fiber gypsum board  
A method and apparatus for producing gypsum board. The method includes the steps of mixing a predetermined amount of fibers, absorbent, and water to form a mixture of wetted, loose fibers, mixing...
5320677 Composite material and method of producing  
An improved composite material is produced by mixing gypsum and host particles of a stronger substance, such as wood fibers, in a dilute slurry; heating the slurry, under pressure, to convert the...
5264057 Process for the production of a flame resistant to nonflammable composite panel and apparatus for carrying out the process  
A flame resistant to nonflammable composite panel is produced from a nonextrudable core mixture with a pourable, nonflammable filling material and a binder, and on both sides cover strips flexibly...
5151130 Amine-based consistency reducers for gypsum stucco slurries  
A method for reducing the consistency of a water and gypsum stucco slurry comprising admixing water, stucco, and an additive, the additive in an amount effective to reduce the consistency of the...
5100474 Glass fibre reinforced plaster composition  
A glass fibre reinforced composition of a settable mix of plaster, a water-based phenol formaldehyde resin, an acid hardener and a reinforcement of glass fibres. A product of this composition can...
5076978 Method of producing gypsum decorative molding  
Decorative interior molding is molded from a slurry of gypsum, water, perlite, and a foaming agent. The slurry is surrounded by paper, cured, and dried.
4948647 Gypsum backer board  
A backer board for use as a base to which ceramic tile is bonded for a bathtub or shower area, in which the board is made by forming a gypsum core board with fiber glass laminated composite...
4902348 Reinforced plasterboard and method of forming  
The present invention is directed to a process for the manufacture of plasterboard optionally strengthened with reinforcing materials by mixing gypsum capable of rehydration with water and...
4816091 Method and apparatus for producing reinforced cementious panel webs  
A method is described for the continuous production of glass fiber mesh reinforced concrete panels consisting of a layer of light weight concrete core mix bonded to a web of glass fiber mesh on...
4793892 Apparatus for producing reinforced cementitious panel webs  
An apparatus is described for the continuous production of glass fiber mesh reinforced concrete panels consisting of a layer of light weight concrete core mix bonded to a web of glass fiber mesh on...
4767491 Device for the continuous production of manufactured articles reinforced with mixtures of hydraulic binders  
Device for the continuous manufacture of manufactured articles reinforced with mixtures of hydraulic binders and consisting of: a conveyor belt; a plurality `A` of process stations for the...
4693924 Decorative tile  
A decorative tile having a front face with a design thereon varies in density so that the front face of the tile presents a solid appearance, but the overall weight of the tile is less than for a...
4572861 Prefabricated element for use in particular in the building industry and a method of manufacture of said prefabricated element  
The prefabricated element comprises a plurality of parallel layers which adhere to each other. A first layer (2) of low-density mortar contains a sheet (5) of woven mineral fibers extending...
4557973 Fire resistant gypsum board containing mineral wool fibers and method  
Blown mineral wool fibers are introduced into slurries (such as gypsum board core formulations and steel column fireproofing plaster formulations) by first blending and coating the blown mineral...
4544424 Gypsum board manufacturing method  
Described is a novel gypsum board and a manufacturing method therefor by first forming a particulate layer securely adhered to the base paper for the gypsum board and by utilizing an adhesion layer...
4528238 Production of fibre-reinforced cementitious composition  
A process for the production of a moldable fibre-containing cementitious composition in which at least one mat of a water-insoluble fibrous material is contacted with at least one surface of a...
4504335 Method for making reinforced cement board  
A cement board of homogeneous composition from face to face and having a substantially uniform thickness is made continuously by distributing a sole cementitious composition on a moving carrier...
4450022 Method and apparatus for making reinforced cement board  
A network of reinforcing fibers is pressed against the surface of an underlying carrier sheet by the weight of a concrete mix. A vertical gap between the sheet and the network is created so that...
4436564 Reinforcement product for use in cement boards and a method of manufacturing said product and boards  
The present invention discloses a reinforcement product for use in cement boards and a method of manufacturing said product and of manufacturing cement boards using this product. The reinforcement...
4394201 Concrete slab assembly, especially for building facades  
A concrete plate assembly, e.g. as load carrying members or for building facades, comprises an inner concrete slab, an outer concrete slab spaced from the inner slab, and at least one main or...
4378405 Production of building board  
A building board comprises a core 31 of set cementitious material, such as gypsum, faced on at least one side by a fabric or web 33 of mineral fibres embedded in the face of the core and a...
4344910 Process for the manufacture of water-hardening material  
An improved process for the manufacture of reinforced shaped articles from water-hardening materials. A plurality of continuous networks of synthetic organic polymer material having at least two...
4344804 Process and apparatus for the manufacture of fiber-reinforced hydraulically bound articles such as cementitious articles  
The present invention relates to a continuous process for manufacturing articles comprised of fiber-reinforced hydraulically bound material. A layer of the fiber-reinforcing and hydraulically...
4298413 Method and apparatus for producing concrete panels  
The invention provides a process and apparatus for producing fabric-reinforced, thin concrete panels suitable as a backer board for construction materials such as ceramic tile, slate and thin...
4296169 Wallboard having improved drying rate due to plural contacting fiber networks  
A board comprising: two sheets of paper spaced apart and bonded to a core of inorganic cementitious material, said core having a network of glass monofilaments jack-strawed into a three-dimensional...
4288263 Process for making plaster board  
The present invention is concerned with manufacturing board from a fluid evolutive product, such as a plaster and water mixture. The process comprises pouring upon a conveyor a fluid evolutive...
4265979 Method for the production of glass fiber-reinforced gypsum sheets and gypsum board formed therefrom  
A fiber-reinforced cementitious sheet is formed by first co-mixing in an air current reinforcing fibers such as glass fibers, and cementitious mineral materials in finely particulate form such as...
4242407 Process for the manufacture of articles of water-hardening material  
An improved process for the manufacture of shaped articles from water-hardening materials reinforced with multiple layers of a fibrillated organic film. A plurality of networks are formed from...
4242406 Fiber reinforced composite structural laminate composed of two layers tied to one another by embedded fibers bridging both layers  
This invention relates to a structural laminate having a plastic surface finish coat laminated to a structural base which has exceptional bond strength between the structural base and the plastic...
4214027 Process for the production of fiber-containing plaster boards  
Fiber containing plaster boards are prepared by superimposing a plurality of board blanks one on top of the other such that the direction of the fiber orientation in the superimposed blanks...
Matches 1 - 50 out of 62 1 2 >