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Pneumatic Shoe Lacing Apparatus
This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.
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| Number | Title | Issue Date |
| 7337587 | Construction assembly of plaster boards and a method of assembling a plurality of plaster boards A construction assembly includes a plurality of plaster boards, each of the plaster boards having a plaster body and at least one sheet of liner, the liner including an inner surface attached to the plaster body and an outer surface having an outer face; wherein sai... | 03/04/2008 |
| 6902614 | Perlited Portland cement plaster joint compound additive with lime A composition and method for treating a surface is described. In one embodiment, the composition comprises about 10% to 90% by weight of cement, about 10% to 90% by weight of plaster, about 0.01% to about 20% by weight of lime, and about 0% to about 30% by weight of... | 06/07/2005 |
| 6171387 | Reversible agglomeration of fine particle plaster of Paris A method for the reversible agglomeration of fine particles of plaster of Paris (CaSO4.1/2H2 O) and agglomerates made by the method which comprises agitating the fine particles in the presence of an organic polar liquid preferably ne... | 01/09/2001 |
| 5968258 | Method of making cement from base metal smelter slag A method of making cement from base metal smelter slag produced by a nickel, copper, lead or zinc smelter, includes crushing the slag with a source of calcium sulphate to a size of less than about 1/4 inch and heating the mixture to produce a cement, and ... | 10/19/1999 |
| 5904765 | Cementation slurries for improvedly encasing reinforcing elements therefor Cementation slurries well suited for encasing reinforcing elements therefor, for example prestressed steel cable, while reducing the risk of embrittlement thereof, contain from about 1.5% to 3% by weight of homogenizing and exudation-reducing hydrophilic ... | 05/18/1999 |
| 5873936 | Cement composition self-leveling floor coating formulations and their method of use A cement composition comprising fine aggregate, preferably sand, in an amount of about 10 to about 25 wt %; blast furnace slag cement, in an amount of about 20 to about 35 wt %; gypsum, in an amount of about 20 to about 35 wt %; Portland cement, in an amo... | 02/23/1999 |
| 5858083 | Cementitious gypsum-containing binders and compositions and materials made therefrom Cementitious binders include calcium sulfate beta-hemihydrate, a cement component comprising Portland cement, and either silica fume or rice-husk ash. The silica fume or rice-husk ash component is at least about 92 wt % amorphous silica and has an alumina... | 01/12/1999 |
| 5814145 | Cementation slurries for improvedly encasing reinforcing elements therefor Cementation slurries well suited for encasing reinforcing elements therefor, for example prestressed steel cable, while reducing the risk of embrittlement thereof, contain from about 1.5% to 3% by weight of homogenizing and exudation-reducing hydrophilic ... | 09/29/1998 |
| 5731034 | Method of coating paper A method of coating paper with a paper coating composition having a solids concentration of at least 45% by weight, consisting essentially of an aqueous cationic dispersion of a particulate calcium carbonate pigment and a nonionic or cationic adhesive, wh... | 03/24/1998 |
| 5472500 | High strength, abrasion resistant veneer plaster A veneer plaster having strengths of substantially greater than 3,000 psi, abrasion resistance of penetrations less than 0.04 inch with 1,000 cycles of a five-pound brush using a 3M Granule Embedding Testing Machine, made from about 1,800 pounds of calciu... | 12/05/1995 |
| 5387282 | Structural cementitious composition and method of manufacturing the same A structural article of manufacture having a specific gravity less than about 1.5, composed of a compressed, dry cementitious composition comprising a particulate aggregate substantially free from particles smaller than about minus 80 mesh.... | 02/07/1995 |
| 5173284 | Process for preparation of purified calcium sulfate in an aqueous medium A process for the preparation in an aqueous medium of purified calcium sulfate, with high whiteness, characterized in that it comprises: a) the formation of an aqueous solution by dissolution of impure hemihydrated calcium sulfate, at a concentration at most o... | 12/22/1992 |
| 5093093 | Process for preparing calcium sulfate alpha hemihydrate In a process for preparing calcium sulphate alpha hemihydrate essentially the form of primary crystals, the hemihydrate is milled to specific surface area of 1200 to 4000 cm2 /g, the fines are removed by screening, and a retarder and liquefier... | 03/03/1992 |
| 5071484 | Cementitious compositions and method A cementitious composition capable of forming an early high strength cement when admixed with a liquid comprising a cementitious material of a specific chemical composition, surface area, and particle size distribution, the method of making such cementiti... | 12/10/1991 |
| 5051221 | Method for the manufacture of a moist mixture from plaster of Paris and fibres A moist mixture of plaster of Paris and fibres is produced due to the fact that before mixing with the fibres, a considerable quantity of water is supplied to the plaster of Paris, which leads to a moisture content of the plaster of Paris of up to 22% by ... | 09/24/1991 |
| 4954134 | Agglomeration of gypsum, limestone, or gypsum-limestone mix An improved process for economically and effectively granulating solid, finely-divided, particulate feedstock comprising phosphogypsum, limestone, or mixtures comprising sulfogypsum, natural or mineral gypsum, or mixtures thereof and limestone and having ... | 09/04/1990 |
| 4931099 | Self-levelling mortar mixture A self-levelling mortar mixture containing anhydrite, activator salts, plasticizers, surfactants and water is improved by providing the anhydrite in the form of both coarse-grained particles and finely ground particles.... | 06/05/1990 |
| 4859243 | Carbon fiber-reinforcing gypsum models and forming molds, gypsum powder materials for making such models and molds, and a method for producing them Gypsum models and molds made of a dihydrate gypsum (CaSO4 .multidot.2H2 O) having uniformly dispersed therein carbon fibers having a predetermined length in a defined range of amount are described. The molds include various types of ... | 08/22/1989 |
| 4569831 | Process and apparatus for calcining gypsum An apparatus and process for calcining gypsum is disclosed which utilizes a flash furnace for rapidly calcining fine particulate gypsum while the material is suspended in a stream of hot gas. The method and apparatus utilize a two-stage suspension preheat... | 02/11/1986 |
| 4544542 | Method for oxidation of flue gas desulfurization absorbent and the product produced thereby A method for treating the fine-grained spend absorbent (primarily calcium sulfite and calcium sulfate) from a dry flue gas desulfurization process. The absorbent, having a small amount of binder therein, is oxidized in a fluidized bed reactor at a tempera... | 10/01/1985 |
| 4502901 | Manufacture of gypsum board from FGD gypsum By-product gypsum, which is formed during a flue gas desulfurization process, (FGD gypsum) is carefully formed as an aqueous slurry of crystals having a mean particle diameter of between about 35 microns and 80 microns and filtered, which filter cake is s... | 03/05/1985 |
| 4445937 | Pneumatic stowing of construction material comprising calcium alpha- and beta-sulphate hemihydrates An improved method for pneumatic stowing of calcium alpha-sulphate hemihydrate, calcium beta-sulphate hemihydrate or mixtures thereof using natural anhydrite, limestone or mixtures thereof is disclosed. In addition, construction reinforcement compositions... | 05/01/1984 |
| 4424196 | Phosphohemihydrate process for purification of gypsum A wet process for producing phosphoric acid and phosphohemihydrate by acidulation of phosphate rock. A strong phosphoric acid is obtained with concomitant production of an improved calcium sulfate that is extremely low in radioactivity by operation in Reg... | 01/03/1984 |
| 4402922 | Process for rapid conversion of fluoroanhydrite to gypsum A process for making an industrially usable gypsum from fluoroanhydrite in which fluoroanhydrite is contacted with a fluid reaction medium slurry containing soluble sulfate ions and a substantial proportion of small gypsum seed crystals to rapidly hydrate... | 09/06/1983 |
| 4388292 | Process for reducing radioactive contamination in phosphogypsum A process of two crystallization stages for reducing radioactive contamination of phosphogypsum is disclosed. In the process anhydrite crystals are obtained through dehydration of the radiation containing phosphogypsum in strong sulfuric acid; a portion o... | 06/14/1983 |
| 4363667 | Cementitious composition and cement produced therefrom A cementitious composition comprising (a) at least one hydraulic cement, (b) water, (c) at least one polymeric water-soluble or water-dispersible additive which is capable of aiding in the processing of the composition, and (d) at least one particulate material ins... | 12/14/1982 |
| 4353749 | Process of producing a useful soil cement product from industrial chemical waste Acid industrial waste containing calcium sulfate is reacted and neutralized with another alkaline industrial waste preferably containing iron oxide and aluminum oxide, mixed with water and stabilized with either Portland cement of fly ash to produce a che... | 10/12/1982 |
| 4344925 | Ozone whitening of synthetic gypsum A process for the whitening of phosphogypsum comprising treating a phosphogypsum in aqueous suspension with an amount of ozone equal to at least 150 parts by weight per million parts by weight of phosphogypsum calculated as Ca SO4.2H.sub.2 O, t... | 08/17/1982 |
| 4340521 | Pressure compacting of settable plaster compositions A settable molding composition comprising a mix of synthetic plaster with an extraneous water source, including a "wet" synthetic gypsum or a mixture of same and free water, is readily pressure compacted or molded into a plurality of useful shaped article... | 07/20/1982 |
| 4309391 | Lump process alpha gypsum An improved "lump" process for producing alpha gypsum, calcium sulfate hemihydrate, from natural gypsum rock of the type wherein lumps of gypsum rock particles (a minimum of about 1/2 inch or 1.3 cm. in size) are calcined to low water-demand alpha hemihyd... | 01/05/1982 |
| 4296089 | Inorganic fibers The invention provides inorganic fibers based on calcium sulfate dihydrate or calcium sulfate aluminate hydrate (or their dehydration products), wherein the ratio of average length to diameter of the fibers is more than 100:1 and the length of the fibers ... | 10/20/1981 |
| 4292085 | Method for converting into a non-polluting particulate product the ferrous sulphate obtained in the production of titanium dioxide by the sulphate process Ferrous sulphate heptahydrate obtained as a by-product of the production of titanium dioxide by the sulphate process is converted into a non-polluting, free-flowing particulate neutralization product by contacting said sulphate with calcium hydroxide as a... | 09/29/1981 |
| 4286995 | Mica-free joint compound A joint compound, having crack resistance substantially equal to joint compounds containing mica, wherein the mica has been replaced by low length to width ratio gypsum crystals formed by the hydration of calcium sulfate to calcium sulfate dihydrate, part... | 09/01/1981 |
| 4278468 | Gypsum fire barrier for cable fires Electrical power, instrument and communication cables constructed with combustible coverings can provide a pathway by which fire might spread. Cable fires within a room or compartment can be arrested by the construction of a properly designed "fire break"... | 07/14/1981 |
| 4270954 | Inorganic fibers The invention provides inorganic fibers based on calcium sulfate dihydrate or calcium sulfate aluminate hydrate (or their dehydration products), wherein the ratio of average length to diameter of the fibers is more than 100:1 and the length of the fibers ... | 06/02/1981 |
| 4261757 | Refractory plaster A refractory plaster containing semi-hydrated calcium sulphate, mineral fibres and a mineral filler material. This plaster has outstanding fire-retardant properties at temperatures of up to 1400° C. and can be used as a refractory material, while being a... | 04/14/1981 |
| 4242141 | Rapid-setting dry packing mix for eliminating bore hole troubles and method of manufacture thereof A rapid-setting dry packing mix for eliminating bore hole troubles contains: 40 to 50 percent by weight of cement powder, 50 to 60 percent by weight of gypsum or alabaster, 0.01 to 3.0 percent by weight of barium hexaferrite powder in particles commensura... | 12/30/1980 |
| 4234345 | Method for producing hard plaster of paris Fast-setting alpha calcium sulfate hemihydrate made from calcium sulfate dihydrate by hydrothermally recrystallizing calcium sulfate dihydrate to form a mixture containing 95%-99% by weight alpha calcium sulfate hemihydrate and 5 to 1% calcium sulfate dih... | 11/18/1980 |
| 4201595 | Process for preparing calcined gypsum and gypsum board A process for preparing calcined gypsum (stucco) which comprises treating a mass of calcined gypsum by adding, with thorough blending, small portions of water (about 1-10% by weight) to the calcined gypsum, allowing it to heal, and grinding the healed stu... | 05/06/1980 |
| 4183763 | Gypsum-based granules and method of production Calcium sulfate hemihydrate is processed into agglomerates such as granules and/or macrogranules by addition of an aqueous binder to a fluidized charge of calcium sulfate hemihydrate particles. The hemihydrate particles are agglomerated to a predetermined... | 01/15/1980 |
