Patents by Inventor Tadashi Sugita
Tadashi Sugita has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20120231282Abstract: The present invention provides an inorganic board having excellent wind pressure resistance and long-term durability, and a production method of such an inorganic board. An inorganic board is obtained by laminating layers comprising a cement, a siliceous material and a woody reinforcement, and has a specific gravity ranging from 1.5 to 2.0; a dimensional change rate upon ten-day moisture desorption at 80° C. of no greater than 0.1%; a dimensional change rate upon seven-day moisture absorption of no greater than 0.1%; a seven-day dimensional change rate, in an environment having a carbon dioxide concentration of 5%, of no greater than 0.1%; and a flexural strength of not lower than 20 N/mm2.Type: ApplicationFiled: March 9, 2011Publication date: September 13, 2012Inventor: Tadashi SUGITA
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Patent number: 7976626Abstract: The problems to be solved by the invention are to provide a fiber reinforced cement composition for obtaining a fiber reinforced cement product which is inexpensive and economical, and to provide pushing forward disposal of defective products. Namely, the fiber reinforced cement composition comprises a hydraulic inorganic material, a siliceous material, a woody reinforcement, a finely dividing fiber reinforced cement product and/or a finely dividing intermediate of fiber reinforced cement product which is produced by said raw materials.Type: GrantFiled: September 27, 2006Date of Patent: July 12, 2011Assignee: Nichiha CorporationInventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Patent number: 7972433Abstract: The problems to be solved by the invention are to provide a fiber reinforced cement composition for obtaining a fiber reinforced cement product which is excellent in bending strength, dimensional stability and installing property such as handling property, flexibility performance and nail performance, as well as a process for manufacturing the product. Namely, the fiber reinforced cement composition comprises the following raw materials: a hydraulic inorganic material, a siliceous material and a woody reinforcement, wherein the siliceous material is an inorganic hollow material and/or an inorganic spherical material and a finely dividing inorganic hollow material and/or a finely dividing inorganic spherical material. The effects of the present invention, it is possible to obtain a fiber reinforced cement product having good bending strength, dimensional stability and installing property such as handling property, flexibility performance and nail performance.Type: GrantFiled: December 27, 2006Date of Patent: July 5, 2011Assignee: Nichiha Co., Ltd.Inventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Patent number: 7967907Abstract: The problems to be solved by the invention are to provide a fiber reinforced cement composition for obtaining a fiber reinforced cement product which is inexpensive and economical, and to provide pushing forward disposal of defective products. Namely, the fiber reinforced cement composition comprises a hydraulic inorganic material, a siliceous material, a woody reinforcement and a finely dividing fiber reinforced cement product which is produced by said raw materials and cured in an autoclave.Type: GrantFiled: January 26, 2007Date of Patent: June 28, 2011Assignee: Nichiha CorporationInventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Patent number: 7905956Abstract: A fiber reinforced cement composition having the following raw material composition is provided to manufacture a fiber reinforced cement product which is excellent in bending strength, dimension stability, handling property, flexibility performance, and processability such as nail performance, as well as to provide a process for manufacturing the product. Namely, the fiber reinforced cement composition comprises a hydraulic inorganic material, a siliceous material and a woody reinforcement in a mass ratio of CaO to SiO2 contained in the hydraulic inorganic material and the siliceous material in the raw materials in a range of from 23:77 to 60:40.Type: GrantFiled: February 15, 2006Date of Patent: March 15, 2011Assignee: Nichiha CorporationInventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Patent number: 7837788Abstract: This invention is a fiber reinforced cement composition comprising the following raw materials: a hydraulic inorganic material, a siliceous material, and a woody reinforcement wherein the siliceous material is a mixture of an average particle size of not less than 15 um and not more than 50 um which is burned ash of coal and/or rhyolite and an average particle size of not less than 1 um and not more than 15 um which is burned ash of coal and/or rhyolite.Type: GrantFiled: November 14, 2006Date of Patent: November 23, 2010Assignee: Nichiha CorporationInventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Patent number: 7758694Abstract: A fiber reinforced cement composition comprising the following raw materials: not less than 25% by mass and not more than 45% by mass of a hydraulic inorganic material; not less than 50% by mass and not more than 65% by mass of a siliceous material; not less than 5% by mass and not more than 12% by mass of woody reinforcement; not less than 0.25% by mass and not more than 1.5% by mass of a water soluble resin, wherein the hydraulic inorganic material is a Portland cement, the siliceous material is an amorphous material selected from the group consisting of fly ash, silica fume, blast furnace slag, perlite powder, glass powder, and mixtures thereof; the woody reinforcement is needle-leaves-tree unbleached kraft pulp and/or needle-leaves-tree bleached kraft pulp and used newspaper, and the water soluble resin is a polyvinyl alcohol resin.Type: GrantFiled: May 11, 2006Date of Patent: July 20, 2010Assignee: Nichiha CorporationInventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Patent number: 7722964Abstract: Provided is a fiber reinforced cement board having good installation properties such as nail performance, flexibility performance and handling performance, as well as other favorable physical properties. The board has an absolute dry specific gravity of not less than 1.20 and not more than 1.30 and comprises as raw materials not less than 28% by mass and not more than 32% by mass of a hydraulic inorganic material, not less than 54% by mass and not more than 58% by mass of a siliceous material, not less than 8% by mass and not more than 12% by mass of a woody reinforcement, not less than 2% by mass and not more than 5% by mass of mica, and not less than 0.5% by mass and not more than 1.25% by mass of a water-soluble resin.Type: GrantFiled: April 25, 2006Date of Patent: May 25, 2010Assignee: Nichiha CorporationInventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Patent number: 7621087Abstract: The object of the present invention is to provide an inorganic board which has high mechanical strength, much improved dimensional stability, freezing and fusion resistance. To attain said object the present invention provides an inorganic board made of a cured material being a raw material mixture containing a cementitious inorganic material, a silica containing material, a woody reinforcement, and a water soluble synthetic resin, wherein the mass ratio of said cementitious inorganic material and said silica containing material is set to be in the range of between 35:65 and 45:55, to promote the hardening reaction of said inorganic board, and to reduce the unreacted materials, solving the problem of the retardation of the cement hardening by said water soluble synthetic resin.Type: GrantFiled: August 30, 2005Date of Patent: November 24, 2009Assignee: Nichiha CorporationInventors: Kazuo Utagaki, Tadashi Sugita
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Publication number: 20080178771Abstract: The problems to be solved by the invention are to provide a fiber reinforced cement composition for obtaining a fiber reinforced cement product which is inexpensive and economical, and to provide pushing forward disposal of defective products. Namely, the fiber reinforced cement composition comprises a hydraulic inorganic material, a siliceous material, a woody reinforcement and a finely dividing fiber reinforced cement product which is produced by said raw materials and cured in an autoclave.Type: ApplicationFiled: January 26, 2007Publication date: July 31, 2008Applicant: NICHIHA CO., LTD.Inventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Publication number: 20080157428Abstract: The problems to be solved by the invention are to provide a fiber reinforced cement composition for obtaining a fiber reinforced cement product which is excellent in bending strength, dimensional stability and installing property such as handling property, flexibility performance and nail performance, as well as a process for manufacturing the product. Namely, the fiber reinforced cement composition comprises the following raw materials: a hydraulic inorganic material, a siliceous material and a woody reinforcement, wherein the siliceous material is an inorganic hollow material and/or an inorganic spherical material and a finely dividing inorganic hollow material and/or a finely dividing inorganic spherical material. The effects of the present invention, it is possible to obtain a fiber reinforced cement product having good bending strength, dimensional stability and installing property such as handling property, flexibility performance and nail performance.Type: ApplicationFiled: December 27, 2006Publication date: July 3, 2008Applicant: NICHIHA CO., LTD.Inventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Publication number: 20080072796Abstract: The problems to be solved by the invention are to provide a fiber reinforced cement composition for obtaining a fiber reinforced cement product which is inexpensive and economical, and to provide pushing forward disposal of defective products. Namely, the fiber reinforced cement composition comprises a hydraulic inorganic material, a siliceous material, a woody reinforcement, a finely dividing fiber reinforced cement product and/or a finely dividing intermediate of fiber reinforced cement product which is produced by said raw materials.Type: ApplicationFiled: September 27, 2006Publication date: March 27, 2008Applicant: NICHIHA CO., LTD.Inventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Publication number: 20080072797Abstract: The problems to be solved by the invention are to provide a fiber reinforced cement composition for obtaining a fiber reinforced cement product which is excellent in bending strength, dimensional stability and installation property such as handling property, flexibility performance and nail performance, as well as a process for manufacturing the product. Namely, the fiber reinforced cement composition comprises the following raw materials: a hydraulic inorganic material, a siliceous material and a woody reinforcement, wherein the siliceous material is a mixture of an average particle size of not less than 15 ?m and not more than 50 ?m which is burned ash of coal and/or rhyolite and an average particle size of not less than 1 ?m and not more than 15 ?m which is burned ash of coal and/or rhyolite.Type: ApplicationFiled: November 14, 2006Publication date: March 27, 2008Applicant: NICHIHA CO., LTD.Inventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Publication number: 20080072795Abstract: The problems to be solved by the invention are to provide a fiber reinforced cement composition for obtaining a fiber reinforced cement product which is excellent in bending strength, dimensional stability and installation property such as handling property, flexibility performance and nail performance, as well as a process for manufacturing the product. Namely, the fiber reinforced cement composition comprises the following raw materials: a hydraulic inorganic material, a siliceous material and a woody reinforcement, wherein the siliceous material is a mixture of an average particle size of not less than 15 ?m and not more than 50 ?m which is burned ash of coal and/or rhyolite and an average particle size of not less than 1 ?m and not more than 15 ?m which is burned ash of coal and/or rhyolite.Type: ApplicationFiled: September 27, 2006Publication date: March 27, 2008Applicant: NICHIHA CO., LTD.Inventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Publication number: 20070261607Abstract: The present invention relates to a fiber reinforced cement composition and products and a manufacturing process thereof. The fiber reinforced cement product and the manufacturing process are safe for human body, and, even more particularly, bending strength and dimensional stability and construction characteristics such as nail performance of the product are preferable. In other words, the fiber reinforced cement composition comprising a hydraulic inorganic material, a siliceous material and woody reinforcement, wherein a siliceous material is amorphous material.Type: ApplicationFiled: May 11, 2006Publication date: November 15, 2007Applicant: NICHIHA CO., LTD.Inventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Publication number: 20070246864Abstract: Provided is a fiber reinforced cement board having good installation properties such as nail performance, flexibility performance and handling performance, as well as other favorable physical properties. The board has an absolute dry specific gravity of not less than 1.20 and not more than 1.30 and comprises as raw materials not less than 28% by mass and not more than 32% by mass of a hydraulic inorganic material, not less than 54% by mass and not more than 58% by mass of a siliceous material, not less than 8% by mass and not more than 12% by mass of a woody reinforcement, not less than 2% by mass and not more than 5% by mass of mica, and not less than 0.5% by mass and not more than 1.25% by mass of a water-soluble resin.Type: ApplicationFiled: April 25, 2006Publication date: October 25, 2007Applicant: NICHIHA CO., LTD.Inventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Publication number: 20070186822Abstract: A fiber reinforced cement composition having the following raw material composition is provided to manufacture a fiber reinforced cement product which is excellent in bending strength, dimension stability, handling property, flexibility performance, and processability such as nail performance, as well as to provide a process for manufacturing the product. Namely, the fiber reinforced cement composition comprises a hydraulic inorganic material, a siliceous material and a woody reinforcement in a mass ratio of CaO to SiO2 contained in the hydraulic inorganic material and the siliceous material in the raw materials in a range of from 23:77 to 60:40.Type: ApplicationFiled: February 15, 2006Publication date: August 16, 2007Applicant: NICHIHA CO., LTD.Inventors: Kazuo Utagaki, Tadashi Sugita, Satoshi Takayama
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Publication number: 20060075931Abstract: The object of the present invention is to provide an inorganic board which has high mechanical strength, much improved dimensional stability, freezing and fusion resistance. To attain said object, the present invention provides an inorganic board made of a cured material being a raw material mixture containing a cementitious inorganic material, a silica containing material, a woody reinforcement, and a water soluble synthetic resin, wherein the mass ratio of said cementitious inorganic material and said silica containing material is set to be in the range of between 35:65 and 45:55, to promote the hardening reaction of said inorganic board, and to reduce the unreacted materials, solving the problem of the retardation of the cement hardening by said water soluble synthetic resin.Type: ApplicationFiled: August 30, 2005Publication date: April 13, 2006Applicant: NICHIHA CORPORATIONInventors: Kazuo Utagaki, Tadashi Sugita
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Publication number: 20060043627Abstract: The object of the present invention is to provide a light weight wood cement board having high strength and sufficient toughness. To attain the object, the present invention provides a wood cement board made of a cured raw material mixture of cementitious inorganic powder (C), a material containing silica (S), bundled wood fiber, and mica, wherein the weight ratio of said cementitious inorganic powder and said material containing silica is set to be in the range of between 40:60 and 50:50. The bundled wood fiber has a bulky shape, and gives good toughness to said wood cement board, with the mica improving its dimensional stability. In a case where the C/S is set to be in the range of 40:60 and 50:50, the curing of said board proceeds smoothly, leaving little unreacted material remaining in the board.Type: ApplicationFiled: April 8, 2005Publication date: March 2, 2006Inventors: Tadashi Sugita, Koichiro Endo, Atsushi Hattori, Satoshi Ikeda
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Patent number: 4028448Abstract: A method of molding plastics material which comprises the steps of feeding plastics material into an extruder for softening and mixing; extruding the mixed mass in the form of a rod having a diameter of at least 15 mm through an extruder die; charging the extruded mass into a metal mold whose inner walls are provided with grooves to attain the smooth movement of plasticized resin; and compression molding the extruded mass while being plasticized to form a molded product.Type: GrantFiled: November 17, 1975Date of Patent: June 7, 1977Assignee: The Furukawa Electric Co., Ltd.Inventors: Makoto Hashimoto, Shinzi Uehara, Tadashi Sugita, Naonori Shiina