134 patents
Page 2 of 7
Utility
Method for Manufacturing Liquid-cooling Jacket and Friction Stir Welding Method
4 May 23
The present invention includes: a primary joining process in which a coarse portion having a predetermined width is formed in the vicinity of a step side face within a plasticized region while the rotary tool is being moved one round along a first butted portion to perform friction stirring in a state that a tip of a stirring pin of a rotary tool being rotated is inserted to the same depth as or slightly deeper than a step bottom face and a bottom face of a shoulder portion is in contact with a front face of a sealing body and the stirring pin is slightly in contact with at least an upper portion of a jacket body; and an inspection process in which a passed position of the stirring pin is specified by performing, after the primary joining process, a flaw detection to detect the coarse portion.
Hisashi HORI, Nobushiro SEO
Filed: 26 Mar 20
Utility
Electrode for aluminum electrolytic capacitor and method for manufacturing same
11 Apr 23
When manufacturing an electrode for an electrolytic capacitor, in a first hydration step (ST1), an aluminum electrode is immersed in a first hydration processing solution having a temperature of at least 70° C. and comprising pure water or an aqueous solution to which phosphoric acid or a phosphate has been added so that the phosphorus concentration is no greater than 4 mass ppm.
Shuhei Enoki, Yuta Shimizu, Masahiko Katano, Toshifumi Taira, Kazuya Fujimoto, Shinya Sone
Filed: 5 Jun 18
Utility
Al—Si—Fe-based aluminum alloy casting material and method for producing the same
14 Mar 23
An Al—Si—Fe-based aluminum alloy casting material that is excellent in elongation while having characteristics of high rigidity and a method for producing the same are provided.
Satoru Suzuki, Kazuhiro Oda, Katumi Fukaya
Filed: 19 Apr 17
Utility
Joining method
28 Feb 23
Provided is a joining method that can prevent a plastic flowing material from flowing out from a butt section and that can reduce the thickness and weight of metal members.
Nobushiro Seo, Hisashi Hori
Filed: 12 Oct 17
Utility
Method for Manufacturing Liquid-cooling Jacket and Friction Stir Welding Method
16 Feb 23
The present invention includes: a primary joining process in which a coarse portion having a predetermined width is formed in the vicinity of a step side face within a plasticized region while the rotary tool is being moved one round along a first butted portion to perform friction stirring in a state that a tip of a tip side pin of a rotary tool being rotated is inserted to the same depth as or slightly deeper than a step bottom face and an outer circumferential face of a base side pin is in contact with a front face of a sealing body and the tip side pin is slightly in contact with at least an upper portion of a jacket body and an inspection process in which a passed position of the tip side pin is specified by performing, a flaw detection to detect the coarse portion.
Hisashi HORI, Nobushiro SEO, Kosuke YAMANAKA
Filed: 26 Mar 20
Utility
Joining Method
9 Feb 23
A joining method includes: an overlapping step of overlapping a front surface of a first metal member with a back surface of a second metal member; and a welding step of welding the first metal member with the second metal member by hybrid welding, using a hybrid welding machine including a leading laser welding unit and a trailing arc welding unit.
Ryo YOSHIDA, Hiroshi KANEKI
Filed: 2 Dec 20
Utility
Joining Method
9 Feb 23
A joining method includes: an overlapping step of overlapping a front surface of a first metal member with a back surface of a second metal member; and a welding step of welding the first metal member with the second metal member by hybrid welding, with use of a hybrid welding machine including a leading laser welding unit and a trailing arc welding unit.
Ryo YOSHIDA, Hiroshi KANEKI
Filed: 2 Dec 20
Utility
Method for manufacturing liquid-cooled jacket
24 Jan 23
A jacket main body is formed of a first aluminum alloy.
Hisashi Hori, Nobushiro Seo
Filed: 13 Jun 17
Utility
High strength aluminum alloy, internal combustion engine piston comprising said alloy, and method for manufacturing internal combustion engine piston
10 Jan 23
An aluminum alloy having excellent high temperature strength and thermal conductivity; and an internal combustion engine piston including the alloy.
Izumi Yamamoto, Kazuhiro Oda, Hiroshi Horikawa, Katsumi Fukaya, Takashi Seki, Tadashi Watanabe
Filed: 29 Aug 16
Utility
Optical Member and Production Method Therefor
15 Dec 22
The present invention provides: a lightweight optical member which can be produced at relatively low cost and which provides low reflectance, stability upon exposure to light, and abrasion resistance; and an efficient method for producing such an optical member.
Akira IIZUKA, Takeshi OSHIMA, Koichi NAKANO
Filed: 29 Oct 20
Utility
Automatic Joining System
3 Nov 22
The automatic joining system includes: a fixing device; a friction stir device; a measuring unit; and a controlling device, in which a rotating tool includes a base end side pin and a tip end side pin formed continuously to the base end side pin, the controlling device sets a target moving route along which the rotating tool moves when friction stir joining of a butting portion is performed, based on a ridge line position before the friction stir joining is performed, and also sets a modified moving route at a position displaced toward a first metallic member side in substantially parallel with respect to the target moving route, and the friction stir device controls the rotating tool to move along the modified moving route and thereby performing the friction stir joining along the target moving route.
Hisashi HORI, Kosuke YAMANAKA, Takeshi HANDA, Kiyomi TSUCHIYA, Satoshi TAKAHASHI, Nobuki TAKAHASHI
Filed: 7 Aug 20
Utility
Photoluminescent Aluminum Alloy and Photoluminescent Aluminum Alloy Die-cast Material
6 Oct 22
The present invention provides a photoluminescent aluminum alloy which exhibits high mechanical properties and which suppresses, to a high degree, the occurrence of color unevenness in cases where a tungsten-containing aluminum alloy die-cast material is subjected to anodization.
Shinya MIWA, Katsumi FUKAYA, Hiroshi HORIKAWA, Izumi YAMAMOTO
Filed: 16 Jun 20
Utility
Bright Aluminum Alloy and Bright Aluminum Alloy Die-cast Material
22 Sep 22
The present invention provides a bright aluminum alloy which has high mechanical properties and in which the occurrence of uneven color is also suppressed to a high degree when an aluminum alloy die-cast material thereof that includes tungsten is subjected to anodization treatment.
Shinya MIWA, Katsumi FUKAYA, Hiroshi HORIKAWA, Izumi YAMAMOTO
Filed: 16 Jun 20
Utility
Sodium Borohydride Production Method
8 Sep 22
In a hermetic vessel filled with hydrogen gas, a sodium borate and aluminum powder are reacted at not less than 400° C. and not more than 560° C. while performing stirring to produce sodium borohydride with the molar ratio of sodium contained in the sodium borate being larger than 0.5 relative to boron contained in the sodium borate.
Kaoru SUGITA, Yuji OOTA, Yo Rene ABE, Takuma HACHISU, Takehiro MATSUNAGA
Filed: 5 Aug 20
Utility
Sodium Borohydride Production Method
1 Sep 22
A sodium borate, aluminum powder and fluoride powder are mixed together in a hermetic vessel filled with hydrogen gas, and the mixture is reacted at not less than 410° C. and not more than 560° C. to produce sodium borohydride.
Kaoru SUGITA, Yuji OOTA, Yo Rene ABE, Takuma HACHISU, Takehiro MATSUNAGA
Filed: 5 Aug 20
Utility
Method for manufacturing heat transfer plate
16 Aug 22
The present invention is characterized by including a heat medium pipe insertion process to insert a heat medium pipe into a concave groove; a lid plate insertion process to insert a lid plate into a lid groove; and a joining process to perform friction stirring while a primary joining rotary tool provided with a base side pin and a tip side pin is moved along a butted portion of a side wall of the lid groove and a side face of the lid plate, wherein in the joining process, friction stirring is performed while the tip side pin of the primary rotary tool which is rotating is inserted into the butted portion and an outer circumferential face of the base side pin is in contact with the base member and the lid plate, and plastically fluidized material fluidized by frictional heat is flowed into a void portion formed adjacent to the heat medium pipe.
Hisashi Hori, Nobushiro Seo, Kosuke Yamanaka
Filed: 7 May 19
Utility
Method for manufacturing liquid-cooling jacket
16 Aug 22
A method for manufacturing a liquid-cooling jacket (1) where heat transfer fluid flows in a hollow part (14) defined by a jacket body (2) and a sealing body (3) includes: an overlapping process in which the sealing body (3) is placed on an end surface (11a) of a peripheral wall part (11) in such a way that the end surface (11a) and a back surface of the sealing body (3) are overlapped each other to form a first overlapped part (H1); and a primary joining process in which primary joining is performed by friction stirring in such a way that a rotary tool (F1) is moved once around a recessed part (13) along the first overlapped part (H1).
Hisashi Hori, Nobushiro Seo, Kosuke Yamanaka
Filed: 16 May 18
Utility
Dispensing Head and Beverage Server
4 Aug 22
A dispensing head includes a fastening portion fastened to a mouth of a beverage container, a connecting portion to which a gas coupling connected to a gas cylinder via a gas tube is connected, a gas channel configured to cause the connecting portion and the beverage container to communicate with each other, a dispensing portion configured to dispense a beverage injected from the beverage container by a pressure of a gas supplied to the beverage container via the gas channel, and an operation inhibition mechanism configured to inhibit an operation for connecting the gas coupling to the connecting portion in a state in which the fastening portion is not fastened to the mouth.
Yasuhiro KURABE, Yoshihiro KUDO, Hirotsugu HOSONO, Takahide KOBAYASHI
Filed: 22 Apr 22
Utility
Aluminum alloy sheet for battery lid use for forming integrated explosion-proof valve and method of production of same
2 Aug 22
Aluminum alloy sheet for battery lid use having suitable strength and excellent in formability and work softenability, which aluminum alloy sheet for battery lid use enabling formation of an integrated explosion-proof valve with little variation in operating pressure and excellent in cyclic fatigue resistance, and a method of production of the same are provided, the aluminum alloy sheet for battery lid use for forming an integrated explosion-proof valve having a component composition containing Fe: 1.05 to 1.50 mass %, Mn: 0.15 to 0.70 mass %, Ti: 0.002 to 0.15 mass %, and B: less than 0.04 mass %, having a balance of Al and impurities, having an Fe/Mn ratio restricted to 1.8 to 7.0, restricting, as impurities, Si to less than 0.40 mass %, Cu to less than 0.03 mass %, Mg to less than 0.05 mass %, and V to less than 0.03 mass %, having a tensile strength of 95 MPa or more, having a value of elongation of 40% or more, having a recrystallized structure, having a value of (TS95−TS80) of less than −3 MPa when defining a tensile strength after cold rolling by a rolling reduction of 80% as TS80 and defining a tensile strength after cold rolling by a rolling reduction of 95% as TS95, and having a value of elongation after cold rolling by a rolling reduction of 90% of 5.0% or more.
Yuuichi Tamaki, Keiji Kanamori, Daisuke Shimosaka, Toshiya Anami
Filed: 12 Jul 19
Utility
Method for Producing Hollow Container
21 Jul 22
A method for manufacturing a hollow container with use of a rotary tool including a tapered stirring pin, including: preparing a first metal member, a second metal member, and an auxiliary member; butting the first metal member and the second metal member to face with each other, the auxiliary member is interposed between the first metal member and the second metal member; and joining the first metal member with the second metal member via the auxiliary member.
Nobushiro SEO, Keita OIKAWA, Ryo YOSHIDA
Filed: 7 Feb 20