序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
41 JOINTING CEMENT CONTAINING HOLLOW SPHERES, FOR A PARTICLE FILTER US12304153 2007-06-19 US20100024368A1 2010-02-04 Anthony Briot; Christophe Carrie; Gaetan Champagne; Vincent Gleize
Jointing cement intended in particular for fastening together a plurality of filter blocks of a filtering body for filtering exhaust gas particles of an internal combustion engine of a motor vehicle, the cement including, in percentages by weight relative to the weight of the mineral material, apart from possible water and a possible mineral resin, between 30 and 90% of silicon carbide (SiC), at least 3% of hollow spheres including, in percentages by weight and for a total of at least 99%, between 20 and 99% of silica (SiO2) and between 1 and 80% of alumina (Al2O3), at least 80% by number of the hollow spheres having a size of between 5 and 150 μm.
42 BONDED BODY, BONDING MATERIAL COMPOSITION, HONEYCOMB SEGMENT BONDED BODY, AND HONEYCOMB STRUCTURE USING THE SAME US12235379 2008-09-22 US20090022943A1 2009-01-22 Takahiro TOMITA; Kenji MORIMOTO
There is provided a bonding material composition capable of suppressing crack generation on an end face of a resultant honeycomb structure to a large extent by reducing anisotropy of Young's modulus after curing of the bonding material by the use of an isotropic filler without using inorganic fibers. The bonded body has two or more members unitarily bonded by means of a bonding material layer, and the relational expression of 0.5
43 Admixture, extrudable hydraulic composition and method for the selection of admixture US11340576 2006-01-27 US20060118008A1 2006-06-08 Yoshiaki Sasage; Tsutomu Yamakawa
A nonionic water-soluble cellulose ether is characterized in that when 3 pbw of the nonionic water-soluble cellulose ether is added to a mixture of 90 pbw of cordierite, 10 pbw of ordinary Portland cement, and 33 pbw of water, immediately followed by kneading at 20° C. and 20 rpm, a maximum torque for kneading is reached within 180 seconds from the addition. It is suitable as an admixture for extrudable hydraulic compositions. The hydraulic composition to which the inventive admixture is added can be kneaded within a brief time into a uniform mass which is smoothly extrudable.
44 Fiber cement composite materials using cellulose fibers loaded with inorganic and/or organic substances US10754137 2004-01-09 US06872246B2 2005-03-29 Donald J. Merkley; Caidian Luo
This invention discloses a new technology related to cellulose fiber reinforced cement composite materials using the loaded cellulose fibers. This invention discloses four aspects of the technology: fiber treatment, formulation, method and final product. This technology advantageously provides fiber cement building materials with the desirable characteristics of reduced water absorption, reduced rate of water absorption, lower water migration, and lower water permeability. This invention also impart the final products improved freeze-thaw resistance, reduced efflorescence, reduced chemical dissolution and re-deposition, and improved rot and fire resistances, compared to conventional fiber cement products. These improved attributes are gained without loss in dimensional stability, strength, strain or toughness.
45 Fiber cement composite materials using cellulose fibers loaded with inorganic and/or organic substances US10754137 2004-01-09 US20040139891A1 2004-07-22 Donald J. Merkley; Caidian Luo
This invention discloses a new technology related to cellulose fiber reinforced cement composite materials using the loaded cellulose fibers. This invention discloses four aspects of the technology: fiber treatment, formulation, method and final product. This technology advantageously provides fiber cement building materials with the desirable characteristics of reduced water absorption, reduced rate of water absorption, lower water migration, and lower water permeability. This invention also impart the final products improved freeze-thaw resistance, reduced efflorescence, reduced chemical dissolution and re-deposition, and improved rot and fire resistances, compared to conventional fiber cement products. These improved attributes are gained without loss in dimensional stability, strength, strain or toughness.
46 Calcium silicate insulating material containing alumina silica microspheres US10209997 2002-07-22 US06692678B2 2004-02-17 Thomas R. Krowl; Bryan K. Doerr; Michael W. Borski
An asbestos free, calcium silicate insulating material suitable for use in the casting of molten non-ferrous metals, and suitable for use in applications where a fire resistant, heat insulating, electrical insulating, and corrosion resistant material is desirable. The calcium silicate insulating material is produced by combining lime, a siliceous component, alumina silica microspheres, wollastonite and organic fibrous material in the presence of water to form a slurry. The slurry is then placed under steam pressure, to react the lime, siliceous component and water, dried, and heat treated if necessary.
47 Thermally and structurally stable noncombustible paper US09835069 2001-04-13 US20020174963A1 2002-11-28 Roger C.Y. Wang; John Titus
The present invention is drawn to a thermally and structurally stable, noncombustible paper, comprising a dominant amount of aluminosilicate refractory fibers and from 0.2% to 4% by weight of a polymeric binder. The refractory fibers can be substantially from 1 micron to 35 microns in width and from 1 cm to 15 cm in length, though other functional dimensions can be used. Optionally, from 0.1% to 5% by weight of viscose fibers and/or from 0.2% to 5% by weight of silicic acid aquagel can also be present. The papers of the present invention are mat-type papers that can be structurally stable at very high temperatures up to about 1400null C. or more.
48 Calcium silicate insulating material containing alumina silica microspheres US09742164 2000-12-20 US20020112648A1 2002-08-22 Thomas R. Krowl; Bryan K. Doerr; Michael W. Borski
An asbestos free, calcium silicate insulating material suitable for use in the casting of molten non-ferrous metals, and suitable for use in applications where a fire resistant, heat insulating, electrical insulating, and corrosion resistant material is desirable. The calcium silicate insulating material is produced by combining lime, a siliceous component, alumina silica microspheres, wollastonite and organic fibrous material in the presence of water to form a slurry. The slurry is then placed under steam pressure, to react the lime, siliceous component and water, dried, and heat treated if necessary.
49 Fire-resistant gypsum fiberboard US09314334 1999-05-19 US06299970B1 2001-10-09 Turner W. Richards; Hubert C. Francis; George F. Fowler
Fiberboards are provided containing at least about 65 wt. % calcium sulfate dihydrate derived from hemihydrate or anhydrous gypsum, and at least about 7 wt. % pulped paper fibers. The boards are capable of being formed into structural members having superior mechanical properties and/or fire resistance, including screw-holding capacities in excess of 650 lbs.
50 Non-asbestos friction material US08883336 1997-06-26 US06284815B1 2001-09-04 Shigemi Sasahara; Takayuki Watanabe
A non-asbestos friction material is disclosed, which comprises a non-asbestos fibrous reinforcement, a thermosetting resin binder, and a filler as the main components, wherein the fibrous reinforcement is a combination of plural kinds of non-asbestos fibers and contains sepiolite fibers, cellulose fibers, and an acryl pulp as the fibrous reinforcement. The friction material of the present invention is excellent in fade characteristics, stability of effectiveness, etc., and low in cost.
51 Baking stone and composition for making the same US09150642 1998-09-09 US06190450B1 2001-02-20 Mark J. O'Toole
An improved asbestos-free composition for the manufacture of commercial baking stones and an improved baking stone made from the improved asbestos-free composition are disclosed. The baking stone is asbestos-free, non-hazardous and is ideal for commercial ovens designed for baking pizza and bread. The improved composition for the manufacture of baking stones includes 15-45% portland cement, 30-55% fireclay, 4-11% mullite, 2-6% silica, 0.5-3% glass fiber, 10-30% water and 0.03-1.5% of a plasticizer. After curing, the preferred water content of the cured baking stone will range from 6-10% and the composition of the cured baking stone will be 15-50% portland cement, 30-55% fireclay, 4-12% mullite, 2-7% silica, 0.5-3% glass fiber, 6-10% water and 0.03-1.5% of a plasticizer. Also disclosed is an improved composition for the manufacture of baking stones that includes a pigment in order to produce a colored baking stone.
52 Asbestos replacer US461535 1995-06-05 US5637144A 1997-06-10 Burton K. Whatcott; Lynn G. Bigelow
An asbestos replacement is disclosed which includes water retention agents and finely divided mineral clays with high moisture retention capabilities. Combining the aforementioned ingredients in the correct proportions yields properties as those of asbestos when used in cementitious mortar compositions.
53 Process for the preparation of asbestos-free microporous electroconductive substrate US450677 1995-05-31 US5626905A 1997-05-06 Jean Bachot; Frederic Kuntzburger
Process for the preparation of an asbestos-free microporous electroconductive substrate. The process includes (a) providing an aqueous suspension of a mixture of carbon or graphite fibers, polytetrafluoroethylene fibers, inert mineral fibers, at least one fluorinated polymer, a silica porogen, and, optionally, at least one thickening agent; (b) depositing a coating onto a porous support by programmedly vacuum filtering said suspension therethrough, the coating comprising a liquid medium; (c) removing the liquid medium from said coating and then drying same; (d) sintering the coating thus formed; and (e) extracting the silica porogen therefrom. A substrate including intimate admixture of carbon or graphite fibers, polytetrafluoroethylene fibers and inert mineral fibers, and optionally, at least one thickening agent, consolidated by a binding amount of at least one fluorinated polymer is formed. The substrate produced is well suited for the electrolysis of solutions of, e.g., alkali metal halides.
54 Non-asbestos flexible sheet material US129177 1994-05-24 US5527599A 1996-06-18 David G. Hall; Jonathan R. Kennerley
Non-asbestos flexible sheet material suitable for use in gaskets (e.g., automobile exhaust manifold gaskets) operating at high temperature (e.g., 500.degree.-700.degree. C.) is made by impregnating a non-woven tissue of glass or like fiber stable at 700.degree. C. with an aqueous slurry of inorganic filler, particularly a clay, said aqueous slurry including a dispersed elastomeric binder (e.g., an acrylic) and a dispersed or dissolved binder (e.g., colloidal silica) which is essentially inorganic and is effective above 300.degree. C. The impregnated tissue is then dried.
55 Soft asbestos-free sealing material US178126 1994-01-06 US5437920A 1995-08-01 Gerhard Bauer; Fritz E. Wolfshofer
The present invention relates to sealing materials free from asbestos or other inorganic fibrous substances in the form of papers, paperboards, cardboards or plates. The gasket compositions preferably comprise a mixture of non-fibrillated organic fibers having an elongation at break of < 5% (up to 200.degree. C.) and fibrillated P polyaramide fibers as well as, powdered graphite and an elastomeric resin binder. A new and improved process for making non-woven, planar sealing materials free from asbestos or other inorganic fibrous substances, is also provided. The reinforcement-forming and sheet-forming organic fibers, binders and fillers are homogenized in a mixer and the mixture is subsequently treated with heat and pressure to form the non-woven webs. The new asbestos-free sealing gaskets and materials may be used for technical or industrial applications such as secondary automobile gaskets, cylinder head gaskets, for seals or gaskets used in the construction of chemical plants and power plants, and for seals or gaskets used in the construction of heating systems.
56 Civil engineering and construction grade fibrous reinforcing material, method for production thereof, and civil engineering and construction material containing the reinforcing material US983844 1993-03-08 US5424124A 1995-06-13 Kazuo Yoshikawa,; Tadatoshi Kurozumi; Shoji Kashiwagi
A civil engineering and construction fibrous reinforcing material having a metal oxide, metal hydroxide, and metal hydroxy-oxide fast deposited on a fibrous substance is practically useful as a substitute for asbestos. This material is produced by immersing the fibrous substance in a mixed solution of a metal salt and a solvent. Civil engineering and construction materials having the fibrous reinforcing material incorporated in inorganic refractory substances are used in the form of sheet-molded plates, for example.
57 Fibre reinforced shaped solid articles US923596 1992-08-03 US5338357A 1994-08-16 Yosuke Takai; Josef Studinka; Benoit de Lhoneux
The invention relates to shaped solid articles manufactured with a hydraulically setting composition comprising water, hydraulic binders and reinforcing fibres and moreover process fibres in an amount of 0-10 wt % with respect to total dry mix and fillers in an amount of 0-50 wt % with respect to total dry mix wherein the reinforcing fibres comprise from 0.1 to 5 wt % with respect to total dry mix of highly crystalline polypropylene fibres possessing a fibre breakage strength of over 490 N/mm.sup.2, having Q<5 and 97<HI<100, and 94<IPF<100, Q being the ratio of weight-average molecular weight to number-average molecular weight, HI being the boiling n-heptane insoluble content in wt % with respect to the total polymer and IPF being the isotactic pentad fraction in mol %.
58 Baking stone and method of manufacture thereof US878097 1992-05-04 US5334242A 1994-08-02 Mark J. O'Toole
An improved composition for baking stones for use in commercial ovens and a method of manufacture of the improved baking stones are disclosed. The baking stone composition is asbestos-free, non-hazardous and is ideal for commercial ovens designed for baking pizza and bread. The improved composition includes portland cement, mortar or mason sand, glass fiber strands, water and a plasticizer. A novel method of manufacture is also disclosed which includes the preferred mixing speeds, mixing times, vibrating speeds, vibrating times and cure times.
59 Composition and method for manufacturing steel-containment equipment US798347 1991-11-21 US5147830A 1992-09-15 Subrata Banerjee; Charles W. Connors, Jr.
An improved casting composition utilizes an aqueous finely dispersed silica binder to provide reduced drying times and reduced cracking and explosion of troughs, runners and other containment equipment designed for use by the iron and steel industry. The composition is prepared by mixing 8-14% by weight of the aqueous silica binder with 55-90% by weight of a refractory base material and up to 35% by weight of silicon carbide. Preferably, the composition will also include 5-10% by weight of calcined alumina, 1-10% by weight of microsilica, and 0.02-1% by weight of a setting agent. Troughs and runners manufactured from the composition also exhibit increased strength and improved resistance to oxidation, corrosion and erosion.
60 Chromium oxide green, a process for its production and its use US357998 1989-05-30 US5032377A 1991-07-16 Jakob Rademachers; Hans-Ulrich Hofs
Chromium oxide green in the form of donut-shaped, ring-shaped or tire-shaped particles having an internal diameter of from 0.01 to 0.5 mm and an external diameter of from 0.05 to 1.0 mm is prepared by spraying an aqueous chromium oxide green suspension through a liquid pressure nozzle into a spray dryer such that the suspension entering the drying space of the spray dryer is rotating.
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