Matches 1 - 20 out of 20
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7427321 Foamed fireproofing composition and method  
Disclosed are formulations adapted to form a foamed cementitious composition, the foamed cementitious composition itself, a method of forming a hydraulic binder foam, and a method of conveying and...
7425236 Gypsum-containing board and tile, and method for producing same  
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,...
7364676 Slurry spreader for cementitious board production  
The invention provides a board forming system comprising a forming table comprising a belt with a surface for conveying a backing layer; a mixer fitted with a mechanism capable of depositing...
7332114 Process for manufacturing sound absorbing cement tile  
A continuous process for manufacturing a sound absorbing tile made from a slurry including, quick setting cement, water, fibers and foaming agent, the process including the steps of (i) mixing...
EP1368282B1 METHOD FOR PRODUCING REDUCED-WEIGHT PLASTERBOARDS  
Abstract not available for EP1368282
7244304 Gypsum-containing board and tile, and method for producing same  
A method for producing a set gypsum-containing product comprising an interlocking matrix of set gypsum wherein said method comprises applying to said set gypsum one or more enhancing materials...
7220373 Process for lightening plasterboards  
Process for the manufacture of plasterboards exhibiting a core density of less than 0.77 comprising the stages of the formation of a foam from water and a surfactant composed of at least one alkyl...
7033431 Surfactant composition for gypsum plaster boards  
A gypsum composition including gypsum, water, and a surfactant composition of alkyl sulfates of formula H(CH 2 ) n OSO 3 − M + , in which n is from 6 to 16, the mean number of carbon atoms in the...
6929875 Method of making wallboard  
The present invention provides a dispersant and foaming agent combination that is useful in the production of gypsum wallboard and other aqueous cementitious products, a method of forming a gypsum...
6874930 Slurry mixer outlet  
An apparatus configured for connection to a mixer for receiving a slurry and altering the flow characteristics of the slurry includes a conduit having a main inlet in slurry receiving communication...
6800131 Gypsum-containing board and tile, and method for producing gypsum-containing board and tile  
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,...
6780230 Foamed fireproofing composition and method  
Disclosed are formulations adapted to form a foamed cementitious composition, the foamed cementitious composition itself, a method of forming a hydraulic binder foam, and a method of conveying and...
6706128 Method of providing void space in gypsum wallboard and in a gypsum core composition  
The invention provides a method of providing void spaces in gypsum wallboard and in a gypsum core composition such that the weight of the gypsum product is reduced without deleteriously affecting...
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,...
6494609 Slurry mixer outlet  
An apparatus and method for delivering an additive-enhanced slurry for use in making gypsum wallboard, and configured for connection to a centrifugal mixer with a tangential discharge outlet,...
6481171 Gypsum compositions and related methods  
A set gypsum composition and methods for the preparation thereof are disclosed. The set gypsum composition comprises a continuous phase of interlocking set gypsum matrix having an enhanced water...
6422734 Static foam generating apparatus and method  
A static foam generating apparatus including a pipe having an inner diameter, an axis, an input end, and an output end is disclosed. A plurality of perforated discs are disposed in the pipe, the...
6387172 Gypsum compositions and related methods  
A set gypsum composition and methods for the preparation thereof are disclosed. The set gypsum composition comprises a continuous phase of interlocking set gypsum matrix having an enhanced water...
6342284 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,...
4483202 Ultrasonic flowmeter  
An ultrasonic flowmeter for measuring a flow rate in a conduit. A pair of ultrasonic transducers are disposed in a conduit so as to oppose each other such that a line connecting the pair of...
Matches 1 - 20 out of 20