11
Dohi Shoji, Nakashiba Akio, Yurugi Shigenobu, Sano Hiroshi, Hayashi Yoshitaka, Nishihira Akira, Asada Hirokazu, Nishinou Mineyoshi, Imajo Mamoru, Hamada Kengo: Carbonaceous ceramic composite for use in contact whth molten nonferrous metal. Osaka Gas Company, Nippon Crucible, Dohi Shoji, Nakashiba Akio, Yurugi Shigenobu, Sano Hiroshi, Hayashi Yoshitaka, Nishihira Akira, Asada Hirokazu, Nishinou Mineyoshi, Imajo Mamoru, Hamada Kengo, SAEGUSA Eiji, October 18, 1990: WO/1990/011981

This invention provides a carbonaceous ceramic composite for use in contact with molten nonferrous metal, which comprises ceramic sinter formed of: (a) 100 parts by weight of an aggregate comprising silicon carbide and/or silicon nitride; (b) 5 to 45 parts by weight of scaly graphite; and 10 to 40 % ...


12
Nishimura Hiroyuki, Nakashiba Akio, Hase Fumio, Mito Kazunori, Shibabuchi Toshio, Nakaoka Mikio: Electrofusion joint. Osaka Gas, Mitsui Petrochem, Shinwa Sangyo, June 30, 1997: JP1997-170693

PROBLEM TO BE SOLVED: To prevent the deformation of a joint by a heat, by forming a thermoplastic resin layer contacting to the inner side of a joint main body, providing a heating wire at the inner side, the outer surface, or the inner surface of the thermoplastic resin layer, and furthermore, prov ...


13
Nakashiba Akio, Nishimura Hiroyuki: Closing structure for pipe, sealing method for pipe, and plug. Osaka Gas, October 1, 1996: JP1996-254297

PURPOSE: To close a pipe end of a synthetic-resin-made pipe by a short projection part with good workability. CONSTITUTION: A plug 43 is provided with a cylindrical synthetic resin made cylindrical part 54 which fiber carbon layer 44 is formed on an outer surface, a semi-spherical sealing end part 5 ...


14
Suzuki Kozo, Nakanishi Eiji, Nakashiba Akio, Kikuta Takashi, Nishigaki Masashi: Method and device for inspecting conduit. Osaka Gas, October 18, 1996: JP1996-271370

PURPOSE: To provide a simple and easy conduit inspecting method capable of quickly estimating an opened/broken position developed on a gas pipe with good accuracy, for example. CONSTITUTION: A sound is generated at the open end section 16 of a gas pipe 2 hidden by a cover layer (earth) such as a cit ...


15
Ishimaru Kimio, Nakashiba Akio, Koga Masahiro, Onishi Hisao, Kawahara Hideaki: Energy supply system. Ishimaru Kimio, Osaka Gas, March 25, 1994: JP1994-086463

PURPOSE: To provide an energy supply system capable of effectively using an energy from a view point of energy consumers and a national point of view. CONSTITUTION: In art energy supply system in which a heat generation generated by a fuel cell 10 is supplied to heat, generation consumption equipmen ...


16
Nakano Hajime, Nakashiba Akio, Watabe Masaki, Maehane Hiroyuki, Sano Koji, Asai Noriaki, Abe Ikuo, Tokida So, Masamoto Koichi, Yamazaki Masahiko: Ceramic fiber burner plate. Osaka Gas, Nichias, Nichiasu Seratetsuku, June 22, 1993: JP1993-157214

PURPOSE: To provide a ceramic fiber burner plate which improves combustibility, uniformizes temperature distribution, and provides excellent durability. CONSTITUTION: In a ceramic fiber burner plate 1, alumina - silica ceramic fiber is turned mullite-like through heat treatment and treated to produc ...


17
Doi Shoji, Nakashiba Akio, Moriya Koji, Nakayama Katsutoshi, Morikawa Shigeru, Kobayashi Takashi: Treatment of oxygen-containing gas and treating material for oxygen-containing gas used for this method. Osaka Gas, January 14, 1993: JP1993-004044

PURPOSE: To obtain a method of treating an oxygen-contg. gas by which an oxygen-contg. gas can be treated for separation and removal of oxygen or enrichment in a rather wide temp. range without requiring a special gas pressure state for oxygen-supply gas or oxygen-accepting gas, and further to obtai ...


18
Nakayama Katsutoshi, Nakashiba Akio, Doi Shoji, Moriya Koji, Morikawa Shigeru, Kobayashi Takashi: Nox removing agent and method. Osaka Gas, April 2, 1992: JP1992-100542

PURPOSE: To effectively remove dilute NOX by bringing a removing agent based on a perovskite type compound showing oxygen deficiency at temp. higher than room temp. into contact with NOX-containing gas while holding the removing agent to set temp. higher than room temp. CONSTITUTION: A perovskite ty ...


19
Nakashiba Akio, Okada Shigemitsu, Nishimura Hiroyuki: Fluid supplying method. Osaka Gas, August 10, 1992: JP1992-219599

PURPOSE: To reduce a space required for supplying fluid and the amount of work as far as possible in the case where a new pipeline for supply of another kind of fluid is installed in a pipeline system of an existing pipeline by inserting the new pipeline into the existing pipeline. CONSTITUTION: A p ...


20
Nakayama Katsutoshi, Nakashiba Akio, Doi Shoji, Moriya Koji: Recovery of valuable substance from nox-containing gas. Osaka Gas, June 10, 1992: JP1992-164803

PURPOSE: To reduce the cost for treatment by bringing NOx in the subject gas for treatment into contact with the first perovskite-type compound and the second perovskite-type compound respectively at a specified temperature, decomposing NOx into N2 and O2, making the resultant O2 adsorbed, subsequen ...