US Patent No: 5,766,525
Number of patents in Portfolio can not be more than 2000
Methods for manufacturing articles from sheets of unhardened hydraulically settable compositions
Stats
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Jun 16, 1998
Issued date -
Aug 10, 1993
filing date -
08/105,741
serial no -
Expired
status
Importance
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Abstract
Methods and systems for readily and economically manufacturing hydraulically settable articles, particularly containers, from microstructurally engineered hydraulically settable mixtures wherein the mixture is extruded into a sheet that is feed through a plurality of sets of rollers so as to form the sheet into the desired thickness. The sheet is then pressed between a male die of a desired shape and a female die having a substantially complimentary configuration of the male die shape to immediately fashion a portion of the sheet into a form stable shape for the desired article. To assist in imparting form stability, the dies can be heated or cooled. Once the article has obtained form stability, the article is removed from the dies and dried under heated air to gain strength. The article can then be cut from the sheet and receive printing or a coating, if desired, prior to packaging, shipping, and use.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 4,225,247 Mixing and agitating device | 77 | 1979 | |
| 4,225,357 Method of producing and distributing a pervious concrete product | 51 | 1979 | |
| 4,552,463 Method and apparatus for producing a colloidal mixture | 64 | 1984 | |
| 4,944,595 Apparatus for producing cement building material | 69 | 1988 | |
| 5,232,496 Process for producing improved building material and product thereof | 52 | 1989 | |
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| 4,784,693 Cementing composition and aqueous hydraulic cementing solution comprising water-soluble, nonionic hydrophobically modified hydroxyethyl cellulose | 75 | 1987 | |
| 4,892,589 Composition comprising water-soluble, nonionic hydrophobically modified hydroxyethyl cellulose and water-soluble, nonionic hydroxyethyl cellulose | 54 | 1988 | |
| 4,939,192 Building composition containing 3-alkoxy-2-hydroxypropylhydroxyethyl cellulose | 56 | 1989 | |
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| 4,640,715 Mineral binder and compositions employing the same | 109 | 1985 | |
| 4,642,137 Mineral binder and compositions employing the same | 115 | 1985 | |
| 4,842,649 Cement composition curable at low temperatures | 106 | 1987 | |
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| 4,305,758 Low density cement slurry and its use | 58 | 1980 | |
| 4,370,166 Low density cement slurry and its use | 100 | 1981 | |
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| 5,039,560 Method for producing high gloss cup | 47 | 1989 | |
| 5,085,366 High gloss paper cup | 45 | 1991 | |
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| 4,636,345 Method of rolling a plastically deformable material | 60 | 1984 | |
| 4,754,589 Roofing plate, a proofing strip for a roofing plate, and a method of producing a roofing plate | 59 | 1987 | |
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| 4,524,828 Method of using thixotropic cements for combating gas migration problems | 72 | 1983 | |
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| 5,039,003 Paperboard food carton and divider | 75 | 1988 | |
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| 4,490,130 Machine for forming seams of two-piece paper cups | 54 | 1981 | |
| 4,571,233 Paper container bottom expander | 43 | 1984 | |
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| 4,840,672 Lightweight insulating boards and process for manufacturing same | 68 | 1987 | |
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| 4,264,368 Admixtures and method for accelerating the setting of portland cement compositions | 29 | 1977 | |
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| 4,789,244 Apparatus and method to produce foam, and foamed concrete | 75 | 1987 | |
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| 4,581,003 Method for manufacturing an angled and cylindrical container | 39 | 1984 | |
| 4,622,026 Mandrel for use in manufacturing an angled and cylindrical container | 37 | 1985 | |
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| 4,209,336 Method of enhancing the compressive strength of hydraulic cement composition | 63 | 1979 | |
| 4,948,429 Method of controlling air entrainment in concrete compositions | 67 | 1989 | |
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| 4,979,992 Compact reinforced composite | 82 | 1988 | |
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| 4,287,247 Packing laminate provided with crease lines | 42 | 1979 | |
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| 4,923,665 Method of improving characteristics of a moulded body | 79 | 1988 | |
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| 4,588,443 Shaped article and composite material and method for producing same | 149 | 1981 | |
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| 4,230,502 Building material additive | 62 | 1979 | |
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| 4,836,940 Composition and method of controlling lost circulation from wellbores | 150 | 1987 | |
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| 4,562,218 Formable pulp compositions | 114 | 1983 | |
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| 4,196,161 Method for precasting concrete products | 34 | 1978 | |
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| 4,244,781 Non-asbestos millboard composition | 50 | 1979 | |
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| 4,261,754 Fiber reinforced building products and method of producing same | 77 | 1978 | |
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| 5,269,845 Calcium aluminate composition and process for making same | 75 | 1992 | |
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| 5,076,986 Process for manufacturing a composite material | 32 | 1990 | |
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| 4,257,814 Accelerating agents for accelerating hardening of cement | 30 | 1979 | |
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| 4,427,610 Method and apparatus for curing concrete products | 67 | 1982 | |
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| 4,707,187 Mortar admixture | 51 | 1986 | |
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| 4,888,059 Cement dispersing agent | 47 | 1987 | |
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| 4,655,981 Method of producing a plate with a decorative pattern in its surface | 60 | 1985 | |
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| 4,190,454 Cement retarder and rapid hardening cement containing the same | 49 | 1978 | |
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| 4,999,056 Method and a composition for preparing a shaped article | 55 | 1988 | |
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| 4,415,366 Lightweight cement slurry and method of use | 68 | 1982 | |
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| 4,522,772 Moulding of articles | 48 | 1981 | |
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| 4,504,315 Liquid accelerator for the setting of concrete mixtures | 32 | 1984 | |
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| 4,637,860 Boards and panels | 93 | 1984 | |
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| 4,927,573 Process for the production of building units from afterharding materials | 37 | 1989 | |
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| 5,051,217 Process for the production of building units from afterhardening materials | 43 | 1990 | |
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| 5,338,349 Fire resistant and high temperature insulating composition | 66 | 1993 | |
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| 4,497,662 Moulded product | 67 | 1983 | |
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| 4,481,037 Cement compositions | 31 | 1983 | |
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| 5,102,596 Method of producing shaped articles of fiber/binder mixtures | 76 | 1990 | |
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| 4,313,997 Perlite boards and method for making same | 52 | 1980 | |
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| 4,585,486 Process for placing cement composition having high strength | 46 | 1984 | |
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| 4,536,173 Cup making apparatus with lubricating means | 35 | 1983 | |
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| 4,533,393 Aqueous curable molding compositions based on inorganic ingredients and process for the production of molded parts | 70 | 1983 | |
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| 4,927,043 Necked-down can having a false seam and an apparatus to form same | 35 | 1987 | |
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| 4,889,428 Rotary mill | 63 | 1985 | |
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| 4,326,891 Crystalline calcium carbonate as a diluent in hydrothermally cured hydraulic cement compositions | 44 | 1980 | |
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| 5,184,995 Containers and blanks with a curled edge and method of making same | 55 | 1992 | |
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| 4,310,996 Cement reinforced gypsum foam with mineral wool | 67 | 1980 | |
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| 4,786,670 Compressible non-asbestos high-temperature sheet material usable for gaskets | 58 | 1987 | |
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| 5,167,894 Apparatus comprising an extruder and a calender for producing sheets and/or foils from plastic or rubber mixtures | 54 | 1991 | |
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| 4,452,596 Apparatus for making cup of surface protected paperboard | 61 | 1982 | |
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| 5,018,379 Apparatus and method for crimping end of can body | 41 | 1990 | |
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| 5,366,549 Method for fabricating fiber-reinforced slag gypsum cement-based, lightweight set articles | 19 | 1994 | |
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| 4,428,775 Reinforced cement sheet product containing no asbestos for fabricating on hatschek machine | 72 | 1981 | |
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| 4,239,716 Gypsum moldings as building materials and methods manufacturing the said gypsum moldings | 92 | 1978 | |
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| 4,746,481 Process for accelerating hardening of cement with fibre-reinforced and cement-bound plates | 45 | 1986 | |
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| 4,650,523 Cement accelerating agent | 44 | 1985 | |
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| 4,462,835 Lightweight building material and method of producing the same | 74 | 1982 | |
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| 4,202,857 Casting of articles from compositions containing calcined gypsum and Portland cement | 45 | 1978 | |
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| 4,444,593 Rapid setting accelerators for cementitious compositions | 36 | 1983 | |
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| 4,233,080 Anhydrite cellular concrete and composite building elements | 49 | 1978 | |
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| 4,623,150 Environmentally acceptable frangible target compositions | 88 | 1985 | |
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| 5,108,679 Process for the production of concrete building products | 102 | 1990 | |
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| 4,373,957 Fibre-reinforced cementitious product | 62 | 1981 | |
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| 4,257,710 Continuous process mixing of pulverized solids and liquids and mixing apparatus | 53 | 1979 | |
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| 5,106,423 Formation grouting method and composition useful therefor | 90 | 1991 | |
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| 4,383,862 Concrete | 50 | 1981 | |
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| 4,680,023 Container forming apparatus having in-line blanker | 39 | 1985 | |
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| 5,047,086 Cement composition for extrusion | 89 | 1989 | |
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| 4,428,741 Method for forming a seam release strip composite container | 34 | 1982 | |
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| 4,976,131 Can body making apparatus | 43 | 1990 | |
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| 5,316,624 Method and apparatus for high density paper | 36 | 1992 | |
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| 4,529,663 Flexible, asbestos-free gasket material | 66 | 1984 | |
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| 5,154,771 Hydraulic inorganic composition and molded articles thereof | 71 | 1990 | |
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| 5,030,282 Carbon fiber-reinforced cementitious composite and method for producing the composite | 67 | 1989 | |
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| 4,755,494 Use of pectin or pectin-like material in water-based ceramics | 66 | 1987 | |
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| 4,279,695 Process for the manufacture of composite materials | 39 | 1979 | |
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| 4,233,368 Method for the production of glass fiber-reinforced gypsum sheets and gypsum board formed therefrom | 66 | 1978 | |
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| 4,613,627 Process for the manufacture of shaped fibrous products and the resultant product | 146 | 1983 | |
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| 4,272,198 Device for the dispersion of cement solutions | 45 | 1979 | |
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| 4,406,703 Composite materials made from plant fibers bonded with portland cement and method of producing same | 89 | 1980 | |
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| 4,985,119 Cellulose fiber-reinforced structure | 92 | 1989 | |
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| 4,188,231 Methods of preparing iron oxide mortars or cements with admixtures and the resulting products | 78 | 1977 | |
| 4,185,923 Method and apparatus for producing insulating material | 49 | 1977 | |
| 4,362,679 Method of casting concrete | 49 | 1979 | |
| 4,299,790 Method and composition for forming a plaster object | 49 | 1979 | |
| 4,377,440 Process for manufacturing of formed products | 72 | 1981 | |
| 4,772,439 Process of quickly manufacturing critically shaped concrete products of high strength | 53 | 1982 | |
| 4,508,595 Process for manufacturing of formed products | 132 | 1983 | |
| 4,619,636 Method and apparatus for manufacturing container having bellows bottom and lid | 33 | 1985 | |
| 4,799,961 Cementuous fiber impregnated construction composition and process for formation thereof | 71 | 1986 | |
| 4,895,598 Stabilization of extremely lightweight aggregate concrete | 66 | 1988 | |
| 5,021,093 Cement/gypsum composites based cellulose-I | 72 | 1988 | |
| 4,912,069 Use of pectin or pectin-like material in water-based ceramics | 65 | 1988 | |
| 5,106,880 Plastic foam aggregate matrix made from recycled paper and fiber products | 74 | 1990 | |
| 5,290,355 Roofing shingle composition, method of formulation, and structure | 51 | 1992 | |