586 patents
Page 24 of 30
Utility
Shape measurement apparatus and shape measurement method
30 Mar 20
A shape measurement apparatus includes: a linear light source that includes a superluminescent diode and applies linear light spreading in a width direction of the strip-shaped body to a surface of the strip-shaped body; a screen on which reflected light of the linear light off the surface of the strip-shaped body is projected; an area camera that captures an image of the reflected light of the linear light projected on the screen; and an arithmetic processing apparatus that calculates the surface shape of the strip-shaped body using the captured image of the reflected light of the linear light captured by the area camera.
Yusuke Konno, Takamichi Kobayashi, Toshio Akagi, Atsuhiro Hibi, Nobuhiro Furuya, Akihito Nakazaki
Filed: 18 May 17
Utility
Method for producing press-formed product
23 Mar 20
A production method includes a placement step, a first pressing step, and a second pressing step.
Ryuichi Nishimura, Yoshiaki Nakazawa
Filed: 27 Mar 17
Utility
Producing method, producing apparatus and producing equipment line of press formed product
23 Mar 20
A producing method of the press formed product includes a preparation step of preparing a metal sheet as a starting material; and a press working step of performing press working on the starting material.
Ryuichi Nishimura, Yoshiaki Nakazawa, Toru Yonebayashi, Koichi Sato
Filed: 28 Sep 15
Utility
High-strength steel material for oil well and oil well pipes
23 Mar 20
There is provided a high-strength steel material for oil well having a chemical composition consisting, by mass percent, of C: 0.60-1.4%, Si: 0.05-1.00%, Mn: 12-25%, Al: 0.003-0.06%, P: ≤0.03%, S: ≤0.03%, N: <0.1%, Cr: ≥0% and <5.0%, Mo: ≥0% and <3.0%, Cu: ≤0% and <1.0%, Ni: ≥0% and <1.0%, V: 0-0.5%, Nb: 0-0.5%, Ta: 0-0.5%, Ti: 0-0.5%, Zr: 0-0.5%, Ca: ≥0% and <0.005%, Mg: ≥0% and <0.005%, B: 0-0.015%, the balance: Fe and impurities, wherein Nieq [=Ni+30C+0.5Mn] is 27.5 or higher, a metal micro-structure is a structure consisting mainly of an FCC structure, a total volume fraction of ferrite and α′ martensite is less than 0.10%, and a yield strength is 862 MPa or higher.
Kenji Kobayashi, Yusaku Tomio
Filed: 23 Jul 14
Utility
Steel, carburized steel component, and method for manufacturing carburized steel component
23 Mar 20
A steel according to an aspect of the present invention has a chemical composition within a predetermined range, in which a hardenability index Ceq ranges from greater than 7.5 to smaller than 44.0, a metallographic structure includes ferrite ranging from 85 to 100 area %, an average distance between sulfides, which are observed in a cross section parallel to a rolling direction of the steel and have an equivalent circle diameter ranging from 1 μm or greater to smaller than 2 μm, is shorter than 30.0 μm, and a presence density of the sulfides, which are observed in the cross section parallel to the rolling direction of the steel and have an equivalent circle diameter ranging from 1 μm or greater to smaller than 2 μm, is 300 pieces/mm2 or more.
Akira Shiga, Manabu Kubota, Hajime Hasegawa, Hideo Mizukami
Filed: 24 Nov 16
Utility
Steel wire rod for wire drawing
23 Mar 20
Provided is a steel wire rod for wire drawing containing, in terms of % by mass, C: from 0.90 to 1.20%, Si: from 0.10 to 1.30%, Mn: from 0.20 to 1.00%, Cr: from 0.20 to 1.30%, Al: from 0.005 to 0.050%, and the balance being composed of Fe and impurities, wherein a content of each N, P, and S, which are contained as the impurities, is N: from 0.0070% or less, P: from 0.030% or less, S: from 0.010% or less, and the steel wire rod having a metallographic structure of which 95% or more by volume ratio is a lamellar pearlite structure, wherein the lamellar pearlite structure has an average lamellar spacing of from 50 to 75 nm, an average length of cementites in the lamellar pearlite structure is 1.0 to 4.0 μm, and a percentage of a number of cementites having a length of 0.5 μm or less among the cementites in the lamellar pearlite structure is 20% or less.
Toshihiko Teshima, Yoshihiro Daito, Toshiyuki Manabe
Filed: 19 Oct 16
Utility
Crankshaft shape inspection apparatus, system and method
23 Mar 20
Around a crankshaft (S) supported by a support device (10), a first shape measuring device (31) to a fourth shape measuring device (34) are disposed, and the crankshaft (S) and the first shape measuring device (31) to the fourth shape measuring device (34) are relatively movable in an axial direction (X direction) of the crankshaft (S).
Yoshito Isei, Toshiyuki Oyama, Ryota Ohashi
Filed: 12 Mar 17
Utility
Deformation mode analysis method for member of structure, structure reinforcement method using deformation mode analysis method, computer program for deformation mode analysis of structure, and recording medium
23 Mar 20
A deformation mode analysis method for a member of a structure is a method of analyzing a deformation mode of each member by performing structural analysis or a structural test on a structure including a single member or a plurality of members.
Nobutaka Shimizu, Takeshi Kawachi
Filed: 16 Sep 15
Utility
Lap welding method, lap joint, production method of lap joint, and an automobile part
16 Mar 20
Hiroki Fujimoto, Tohru Okada, Takashi Imamura
Filed: 3 Feb 15
Utility
Electrode for metal-air battery
16 Mar 20
The present invention provides a novel and improved metal-air battery in which a lot of catalyst can be disposed in a triple phase boundary, and further, battery properties can be improved.
Kenichiro Tadokoro, Noriyuki Negi
Filed: 23 Dec 15
Utility
Hot-rolled steel sheet for tailored rolled blank and tailored rolled blank
16 Mar 20
Tatsuo Yokoi, Eisaku Sakurada, Natsuko Sugiura, Kiyoyuki Fukui
Filed: 29 Apr 19
Utility
Threaded tubular component and method for coating such a threaded tubular component
16 Mar 20
A method for producing a matrix-containing dry film on a threaded tubular component for drilling or working hydrocarbon wells, by applying a mixture containing a dispersion or an aqueous emulsion of an acrylic copolymer with a solution of an alkaline polysilicate in a liquid state onto a threaded end of the threaded tubular component by spraying at a temperature of from 20° C. to 40° C. thereby obtaining a threaded end coated with a film; drying the threaded end coated with the film; and densifying the film.
Eric Gard, Mohamed Gouider, Mikael Petit, Eliette Pinel
Filed: 19 Dec 12
Utility
Apparatus, method, and program for detecting molten metal surface level in continuous casting mold
9 Mar 20
A heat flux derivation unit (202) derives a value qy of a y-axis direction component of a heat flux vector.
Junichi Nakagawa, Yuuji Hiramoto
Filed: 13 Oct 15
Utility
High-strength gear
9 Mar 20
A gear keeping the bending stress at the dedendum from becoming locally high at the time of power transmission and thereby raising the dedendum bending strength.
Hiroki Narumiya, Osamu Kada, Takashi Fujita, Yutaka Neishi
Filed: 28 Mar 16
Utility
Method for producing aromatic nitrile compound and method for producing carbonate ester
9 Mar 20
Provided is a method for regenerating an aromatic amide compound into a corresponding aromatic nitrile compound, the method realizing a dehydration reaction of providing a target compound selectively at a high yield with generation of a by-product being suppressed.
Yousuke Shinkai, Hongyu Liu, Hidefumi Harada, Yoshinori Isahaya, Keiichi Tomishige, Yoshinao Nakagawa, Masazumi Tamura, Kimihito Suzuki, Yasuki Namiki
Filed: 19 Jun 17
Utility
Steel sheet for container and method for producing steel sheet for container
2 Mar 20
A steel sheet for a container includes: a steel sheet; a coated layer containing Ni provided as an upper layer of the steel sheet; and a chemical treatment layer as an upper layer of the coated layer, and containing a Zr compound in an amount of 3.0 to 30.0 mg/m2 in terms of Zr metal, and a Mg compound in an amount of 0.50 to 5.00 mg/m2 in terms of Mg metal, in which the coated layer is one of: a Ni coated layer which contains Ni in amount of 10 to 1000 mg/m2 in terms of Ni metal, and a composite coated layer which contains Ni in an amount of 5 to 150 mg/m2 in terms of Ni metal and Sn in an amount of 300 to 3000 mg/m2 in terms of Sn metal, and has an island-shaped Sn coated layer formed on an Fe—Ni—Sn alloy layer.
Akira Tachiki, Shigeru Hirano, Yoshiaki Tani, Hirokazu Yokoya, Morio Yanagihara, Makoto Kawabata
Filed: 14 Apr 16
Utility
Automobile member
2 Mar 20
Provided is an automobile member including a hat-shaped first member that has a first flange, a second flange, a first wall portion erected from the first flange, a second wall portion erected from the second flange, and a web connecting the first and second wall portions to each other; a second member that is spot-joined to the first and second flanges; a first joining plate that is joined to inner wall surfaces of the first wall portion and the second member; and a second joining plate that is joined to inner wall surfaces of the second wall portion and the second member.
Kenichiro Otsuka
Filed: 16 Feb 17
Utility
Automobile body press-molded component and method for producing same
2 Mar 20
A member has a transverse cross section that includes a top sheet, upper ridgelines, vertical walls, lower ridgelines, and floor flanges and includes, on at least one end portions in the extending directions of the upper ridgelines, a top sheet flange via a top sheet ridgeline and vertical wall flanges via vertical wall ridgelines, in which the vertical wall flange and the floor flange are continuous.
Yasuhiro Ito
Filed: 23 Jul 17
Utility
Steel sheet for hot stamping, method of manufacturing the same, and hot stamped steel sheet member
24 Feb 20
A steel sheet for hot stamping includes a predetermined chemical composition containing: C: 0.08% or more and less than 0.20%; Si: 0.003% to 0.2%; Mn: 1.6% to 3.5%, and others, and further includes a steel structure expressed by, in an area ratio: bainite: 1% to 95%; ferrite: 5% to 94%; and balance: one or more selected from the group consisting of pearlite, martensite and retained austenite.
Akari Tamaki, Kazuo Hikida
Filed: 14 Aug 13
Utility
Rolled steel material for fracture splitting connecting rod
24 Feb 20
Motoki Takasuga, Yusuke Miyakoshi, Tatsuya Hasegawa, Hideki Matsuda, Masashi Kawakami, Isamu Saito
Filed: 16 Oct 14