1
Ando Ryo: Process for desulphurization of molten pig iron. Nippon Kokan Kabushiki Kaisha, Flynn & Frishauf, October 28, 1975: US3915694 (71 worldwide citation)

This invention relates to an improved method for desulphurizing molten pig iron by adding a desulphurizing agent to molten pig iron bath contained in a ladle and agitating said bath with an impeller placed in said bath, wherein downward streams are caused in said bath by inserting one or more guide ...


2
Shimotsuma Teruo, Yamada Takeo: Method for measuring the surface temperature of a metal object. Nippon Kokan Kabushiki Kaisha, Flynn & Frishauf, March 12, 1974: US3796099 (46 worldwide citation)

An improved method for measuring the surface temperature of objects, such as metals on a color coated sheet iron line, by means of a radiation thermometer, wherein a radiation source hot plate having a surface whose surface temperature is substantially constant and whose emissivity is nearly equal t ...


3
Tomihiro Hara, Masahiro Ogawa, Masakazu Tsukada, Masaaki Yamashita: Composite coating steel sheets having good corrosion resistance paintability and corrosion resistance after paint coating. Nippon Kokan Kabushiki Kaisha, Frishauf Holtz Goodman & Woodward, October 25, 1983: US04411964 (45 worldwide citation)

A composite coating steel sheet is disclosed which has good corrosion resistance, paintability and corrosion resistance after paint coating. The steel sheet comprises a plated base steel sheet, such as a galvanized, zinc alloy plated or aluminum plated steel sheet, and a chromate film formed on the ...


4
Kasane Yamashita, Takao Ikehata, Kazuhiko Tate, Keisuke Nakahara: Method of removing dissolved heavy metals from aqueous waste liquids. Nippon Kokan Kabushiki Kaisha, Frishauf Holtz Goodman & Woodward, March 22, 1983: US04377483 (38 worldwide citation)

A powder of a slag formed at the time of manufacturing steel is used to remove heavy metals contained in waste water. After the use the slag may be heated to recover the heavy metals adsorbed thereby or the used slag may be formed into solid blocks, ballast or aggregate by admixing with Portland cem ...


5
Yamamoto Minoru, Matsumi Sho: Method for the disposal of garbage by multi-stage thermal decomposition. Nippon Kokan Kabushiki Kaisha, Flynn & Frishauf, November 11, 1975: US3918374 (38 worldwide citation)

In a method for the disposal of garbage by thermal decomposition, garbage charged into a first incinerator is thermally decomposed by external heat requiring no oxygen to obtain generated gas with high calorific value. The whole quantity of said generated gas is introduced into a second incinerator. ...


6
Isao Takei: Binding device for elongated pipes. Nippon Kokan Kabushiki Kaisha, Nichiei Distribution Systems, Darby & Darby, April 5, 1983: US04378923 (37 worldwide citation)

A binding device for a plurality of elongated pipes is provided which comprises a pair of pipe reception blocks, sleepers interposing the blocks therebetween, and a bundling strap encircling tightly a pair of pipe reception blocks, and the sleepers. The pipe reception block includes two regions, one ...


7
Takeshi Adaniya, Masaaki Yamashita, Akira Enatsu, Takahiro Kubota, Norio Nikaido, Yoshiaki Miyosawa, Tadashi Nishimoto, Kazuhiko Ozawa: Highly corrosion-resistant surface-treated steel plate. Nippon Kokan Kabushiki Kaisha, Henry C Nields, October 4, 1988: US04775600 (37 worldwide citation)

The present invention relates to a highly corrosion-resistant surface-treated steel plate. The steel plate of the present invention comprises a zinc deposition or zinc alloy deposition film as the undercoat deposition layer, a chromate film formed on the undercoat deposition layer and a film of a re ...


8
Takeshi Saigo, Tomohiko Tokuya, Haruo Kamimura, Mitsuaki Hori, Hidenori Yasuoka: Screw coupling joint. Nippon Kokan Kabushiki Kaisha, Armstrong Nikaido Marmelstein Kubovcik & Murray, January 15, 1991: US04984829 (36 worldwide citation)

A screw coupling joint having a sealing portion between an outer circumference formed in convex in an axial direction of the coupling joint at the end of the male screw portion and an inner circumference formed in taper at an inner part of the female screw portion. The female screw portion has a sto ...


9
Masayuki Hanmyo, Masaru Ishikawa, Seishi Mizuoka: Method for measuring temperature of molten metal received in vessel. Nippon Kokan Kabushiki Kaisha, Frishauf Holtz Goodman & Woodward, March 22, 1983: US04377347 (36 worldwide citation)

A method for measuring the temperature of molten metal received in a vessel, which includes covering the tip portion of a probe which includes a thermocouple housed in an alumina protecting tube, from inside to outside with a ceramic fiber and a quartz glass; attaching the covered probe to the side ...


10
Masao Handa, Mikio Ueki, Tomohiko Tokuya, Mitsuaki Hori, Hidenori Yasuoka, Toshio Sato, Takuzo Ichihara, Kenichi Toyama: Screw joint coupling for oil pipes. Nippon Kokan Kabushiki Kaisha, Frishauf Holtz Goodman & Woodward, November 18, 1986: US04623173 (35 worldwide citation)

A basic structure of a screw joint coupling for oil pipes according to the invention is that a main sealing portion is constructed with a sealing portion formed axially in convex at an end of a male screw, and with a sealing portion formed in taper at an inner side of a female screw, and that the ma ...