586 patents
Page 8 of 30
Utility
Impact absorption member
16 Nov 21
The present invention provides a shock-absorbing member including: an exterior material 110 for an automobile; a first reinforcing member 122 that is disposed adjacent to the exterior material 110 and whose cross section orthogonal to the extending direction has a height, in the direction orthogonal to the exterior material 110, that is greater than the width in the S direction along the exterior material 110; a second reinforcing member 124 that is disposed adjacent to the exterior material 110 and whose cross section orthogonal to the extending direction has a height, in the direction orthogonal to the exterior material 110, that is greater than the width in the direction along the exterior material 110; an intersecting part where the first reinforcing member 122 and the second reinforcing member intersect and overlap; and a joint that joins the first reinforcing member 122 and the second reinforcing member 124 at the intersection.
Toshiya Suzuki, Yoshiaki Nakazawa, Tasuku Zeniya, Tohru Yoshida
Filed: 28 Jan 19
Utility
Steel material suitable for use in sour environment
16 Nov 21
The steel material according to the present disclosure contains a chemical composition consisting of, in mass %, C: 0.20 to 0.50%, Si: 0.05 to 0.50%, Mn: 0.05 to 1.00%, P: 0.030% or less, S: 0.0100% or less, Al: 0.005 to 0.100%, Cr: 0.10 to 1.50%, Mo: 0.25 to 1.50%, Ti: 0.002 to 0.050%, N: 0.0100% or less and O: 0.0100% or less, with the balance being Fe and impurities.
Hiroki Kamitani, Atsushi Soma, Shinji Yoshida, Yuji Arai, Seiya Okada
Filed: 25 Mar 19
Utility
High-strength steel sheet and method of manufacturing the same
16 Nov 21
A high-strength steel sheet having a microstructure represented by, in area %, martensite: 5% or more; ferrite: 20% or more; and pearlite: 5% or less.
Riki Okamoto, Yoshinari Ishida, Yoshihiro Suwa, Takafumi Yokoyama
Filed: 6 May 16
Utility
Liquid removal device and liquid removal method
16 Nov 21
There is provided a liquid removal device that removes liquid attached to a surface of a steel sheet, the device including a slit nozzle that jets gas to the surface of the sheet, the slit nozzle being installed so as to jet gas from a downstream side toward an upstream side in a movement direction of the sheet that moves relatively to the slit nozzle and being configured in a manner that a jet angle θ, a back face inclination angle β, and a back face length L of a nozzle back face of the slit nozzle satisfy, β+θ≥60° and L≥20mm, and a gap h between a jetting port of the slit nozzle and the sheet, a slit width d, and nozzle pressure Pn of the slit nozzle satisfy the following relationship: Pn≥2.0×1010(h/d)0.6{1/(1+exp(β+θ−58)+1}−4L−7.
Takao Taya, Hiroyuki Kato, Takanori Kiyosue, Yoshihiro Yamada
Filed: 29 Mar 17
Utility
Laser welded joint and method of production of same
16 Nov 21
A laser welded joint improving the tensile shear strength without causing an increase in the welding time and without using an expensive remote laser head, that is, a laser welded joint obtained by arranging metal sheets overlaid and welding them by a laser beam from the overlaid direction, wherein when a total thickness of the metal sheets welded overlaid is “t” (mm), the width of the weld metal at the joined interface is 0.6t1/3+0.14 (mm) or more.
Masatoshi Tokunaga, Hiroki Fujimoto
Filed: 30 Oct 15
Utility
Analysis system, analysis method, and program
9 Nov 21
An analysis apparatus derives a second factor (102) according to a physical phenomenon with which an analysis target (104) is to comply.
Junichi Nakagawa
Filed: 25 Mar 19
Utility
Method of manufacturing welded structure of ferritic heat-resistant steel and welded structure of ferritic heat-resistant steel
9 Nov 21
Yasushi Hasegawa, Hirokazu Okada
Filed: 29 Sep 17
Utility
Steel material for carburized bearing part
9 Nov 21
Tomohiro Yamashita, Takahisa Suzuki, Yutaka Neishi, Daisuke Hirakami, Kohei Kanetani, Takashi Sada
Filed: 24 Aug 18
Utility
Method of producing molded product and molded product
2 Nov 21
The method includes treating a metal sheet having a bcc structure and a surface satisfying conditions (a) or (b), molding the metal sheet to cause plane strain tensile deformation and biaxial tensile deformation, and allowing at least one part of the metal sheet to have a sheet thickness decrease rate of from 10% to 30%.
Masahiro Kubo, Yoshiaki Nakazawa, Hiroshi Yoshida
Filed: 20 Feb 20
Utility
Control method, device, and program of continuous casting process of multilayered slab
2 Nov 21
A control method of a continuous casting process is a method that injects molten metal from a surface layer nozzle and an inner layer nozzle into a mold and separates the molten metal of a surface layer and the molten metal of an inner layer, the control method including, using a molten metal level meter that measures a surface layer level and a flowmeter that measures a supply flow rate of the molten metal, estimating a boundary layer level on the basis of a measured value of the surface layer level, a measured value of the supply flow rate of the molten metal, and a calculated value of the supply flow rate of the molten metal, and controlling the supply flow rate of the molten metal of the surface layer nozzle and the supply flow rate of the molten metal of the inner layer nozzle.
Hiroki Yamamoto, Hiroshi Kitada
Filed: 7 Jun 19
Utility
Ni-based alloy wire for submerged arc welding and method of manufacturing welding joint
2 Nov 21
A Ni-based alloy wire for submerged arc welding according to an aspect of the present invention includes, as a chemical composition, by mass %, C: 0.001% to 0.060%, Si: 0.01% to 3.00%, Mn: 0.01% to 6.00%, Mo: 15.0% to 25.0%, W: 2.5% to 10.0%, Ta: 0.002% to 0.100%, Ni: 65.0% to 82.4%, Al: 0% to 2.00%, Ti: 0% to 2.00%, Cu: 0% to 1.0%, P: 0% to 0.0200%, S: 0% to 0.0200%, N: 0% to 0.1000%, O: 0% to 0.0100%, Fe: 0% to 10.0000%, Co: 0% to 0.1000%, Cr: 0% to 1.0000%, V: 0% to 0.1000%, Nb: 0% to 0.1000%, B: 0% to 0.0100%, Bi: 0% to 0.0100%, Ca: 0% to 0.0200%, REM: 0% to 0.0300%, Zr: 0% to 0.1000%, and a remainder: impurities; in which a value X is 0.010% to 0.180%.
Suo Saruwatari, Takashi Namekata
Filed: 27 Mar 18
Utility
Steel piston
2 Nov 21
Yutaka Neishi, Yorimasa Tsubota, Kouji Oosato, Hirohito Eto, Wataru Nagai, Yoshitomi Yamada
Filed: 31 May 19
Utility
Eddy current decelerating apparatus
2 Nov 21
A decelerating apparatus includes a brake member, primary and secondary permanent magnets and pole pieces.
Kenji Imanishi, Takuya Fujita, Hiroyuki Yamaguchi, Hiroshi Nogami, Yasutaka Noguchi, Mitsuo Miyahara
Filed: 23 Jan 19
Utility
Steel material suitable for use in sour environment
26 Oct 21
The steel material according to the present disclosure contains a chemical composition consisting of, in mass %, C: 0.20 to 0.50%, Si: 0.05 to 1.00%, Mn: 0.05 to 1.00%, P: 0.025% or less, S: 0.0100% or less, Al: 0.005 to 0.100%, Cr: 0.20 to 1.50%, Mo: 0.25 to 1.50%, Ti: 0.002 to 0.050%, B: 0.0001 to 0.0050%, N: 0.0100% or less and O: 0.0100% or less, with the balance being Fe and impurities.
Shinji Yoshida, Yuji Arai, Atsushi Soma, Hiroki Kamitani
Filed: 22 Mar 19
Utility
Press-molded product, press-molded product producing method, and press-molded product producing apparatus
26 Oct 21
A press-molded product capable of improving the bonding strength between a vehicle body reinforcing member and the other member or the rigidity of a vehicle body by enlarging a cross-section of a member to a fullest extent of a design cross-section without forming a notch for preventing a press-molding failure in a ridge-portion flange.
Yasuhiro Ito, Yoshiaki Nakazawa
Filed: 30 Nov 18
Utility
Metal-coated steel strip
26 Oct 21
A method of forming an Al—Zn—Si—Mg alloy coating on a steel strip includes dipping steel strip into a bath of molten Al—Zn—Si—Mg alloy and forming a coating of the alloy on exposed surfaces of the steel strip.
Wayne Andrew Renshaw, Cat Tu, Joe Williams, Jason Hodges, Shiro Fujii, Nobuyuki Shimoda, Shuichi Kondo, Takashi Hirasawa
Filed: 6 Mar 14
Utility
Cooling device for hot rolled steel sheet and cooling method for the same
19 Oct 21
A cooling device cooling an undersurface of a hot rolled steel sheet that is being transported on transport rolls after finish rolling of a hot rolling step includes: width divided cooling zones that are a plurality of cooling zones into which a whole cooling zone is divided in a sheet width direction; divided cooling sections that are a plurality of cooling zones into which each of the width divided cooling zones is divided in the rolling direction; a water nozzle spraying cooling water over each of undersurfaces of the divided cooling sections; a switching mechanism switching the cooling water between impinging and not impinging on the divided cooling sections; a width direction thermometer measuring a temperature distribution in the sheet width direction; and a controller controlling operation of the switching mechanism.
Yohichi Haraguchi, Yoshihiro Serizawa, Tatsuro Honda, Hisayoshi Tachibana, Susumu Nakagawa, Koki Tanaka, Shota Ishitsuka
Filed: 31 Mar 17
Utility
Method of producing shaped article, tooling, and tubular shaped article
19 Oct 21
A method of production of a shaped article able to suppress occurrence of shaping defects, that is, a method of production of a shaped article including a first step of press-forming a metal plate (1a) into a U-shape to obtain a U-shaped article (1b) having a bottom part (2) straight extending in a longitudinal direction and a second step of press-forming the U-shaped article (1b) to bend it in the longitudinal direction so that the bottom part (2) of the part projects to the inside and obtain a U-cross-section bent article (1c).
Masahiko Sato, Tohru Yoshida
Filed: 17 Sep 15
Utility
Threaded connection for steel pipe
19 Oct 21
A threaded connection for steel pipe is provided that prevents galling on the sealing surfaces during make-up while providing high sealing performance after completion of make-up.
Masaaki Sugino, Shin Ugai
Filed: 27 Dec 17
Utility
Threaded connection
19 Oct 21
A threaded connection includes a pin including a wedge male thread having a varying-thread-width portion and a box including a wedge female thread having a varying-thread-width portion.
Satoshi Maruta, Michihiko Iwamoto
Filed: 15 Sep 17