Nippon Steel Sumitomo Metal Corporation

Sds Biotech K.k.

Nippon Steel Corporation

Threebond Co., Ltd.

Ajinomoto Co., Ltd.

Calsonic Kansei Corporation

Seikagaku Corporation

Otto LLC

Kawasaki Seitetsu Kabushiki Kaisha

Kazuhiro Kojima

Shuichi Nakamura

Satoshi Yamanaka

Shunji Hayashi

Ryuichi Shimura

Toshiya Kimata

Yasuhito Totsuka

Tetsuo Tsuruya

Suo Saruwatari

Kiyoshi Sakuma

Takashi Fujita

Takashi Nakamura

Hiroshi Maeda

Yoshihiro Sasaki

Hiroshige Inoue

Hiroshi Ikawa

Yukio Goto

Yoshio Abe

Nobuo Ishikawa

Keiji Okada

Tetsuro Nose

Tsuguhiko Nakagawa

Masato Nishimura

Tatsuya Kumagai

Atsuhiko Yoshie

Takashi Isono

Toru Asanuma

Yoshiaki Koga

Tadashi Kasuya

Kiyohito Sasaki

Minami Hanada

Akio Takaoka

Takashi Namekata

Yukihiko Horii

Mitsunari Narahara

Masatoshi Motoyoshi

Koushi Kuramoto

Sayoko Kawaguchi

Mamoru Yagi

Toshiyasu Yuri

Masamitsu Obashi

Motohiro Hirata

Yoshiyuki Nakanishi

Shoshichiro Tajima

Masaaki Nagahara

Yokimi Kawashima

Tsukasa Yoshimura

Hideki Kosono

Shimura Ryuichi

A Ni-based alloy core wire for a covered electrode according to an aspect of the invention includes, as a chemical composition, by mass %: C: 0.0100% to 0.0800%; Si: 0.010% to 0.800%; Mn: 0.010% to 1.800%; Mo: 15.0% to 28.0%; W: 2.5% to 8.0%; Cu: 0.10% to 1.20%; Ta: 0.002% to 0.120%; Ni: 65.0% to 82.3%; and a remainder: impurities with other optional selective elements; in which a value X is 0.010% to 0.160%.

Ni-based alloy core wire for covered electrode, covered electrode, and method of manufacturing covered electrode

[Object] There is provided a flux-cored wire capable of obtaining a weld metal having excellent low temperature toughness and improving welding efficiency, in which preheating performed for preventing cold cracking can be omitted or simplified. [Means for Solving Problems] The flux-cored wire includes one or more of CaF, BaF, SrF, MgF, and LiF and, when a total amount thereof is defined as &#x3b1;, the &#x3b1; is 2.0% to 7.0%, by mass %, with respect to a total mass of the flux-cored wire, one or more of a Ti oxide, a Si oxide, a Mg oxide, an Al oxide, a Zr oxide, and a Ca oxide are included in the flux-cored wire, and when a total amount thereof is defined as &#x3b2;, the &#x3b2; is 0.2% to 0.9%, by mass %, with respect to the total mass of the flux-cored wire, a ratio of an amount of the CaFwith respect to the &#x3b1; is 0.90 or more, and a ratio of the &#x3b1; with respect to the &#x3b2; is 3.0 or more and 15.0 or less.

Flux-cored wire for gas-shielded arc welding, method for welding steel for very low temperature use, and method for manufacturing weld joint

In a flux-cored wire according to the present invention, CaFand the like are included and a total amount thereof &#x3b1; is 3.3 to 6.0% in terms of mass % with respect to a total mass, Ti oxide and the like are included and a total amount thereof &#x3b2; is 0.4 to 1.2% in terms of mass % with respect to the total mass, CaCOand the like are included and a total amount thereof is 0.1 to 0.5% in terms of mass % with respect to the total mass, and an amount of an iron powder in the flux is less than 10% in terms of mass % with respect to the total mass.

Flux-cored wire, welding method using flux-cored wire, method for manufacturing weld joint using flux-cored wire, and weld joint

In a flux-cored wire for welding an ultrahigh tensile strength steel, one or more of CaF2, BaF2, SrF2, and MgF2 are included in the wire and, when a total amount thereof is defined as &#x3b1;, the &#x3b1; is more than 2.0% and equal to or less than 8.0% in terms of mass % with respect to a total mass of the wire, one or more of Ti oxide, Si oxide, Mg oxide, and Al oxide are included in the wire and, when a total amount thereof is defined as &#x3b2;, the &#x3b2; is 0.01% to 1.20% in terms of mass % with respect to the total mass of the wire, a ratio of an amount of the CaF2 with respect to the &#x3b1; is 0.50 or more, a ratio of the &#x3b1; with respect to the &#x3b2; is 2.0 to 800.0, and Ceq defined in the following expression is 0.60% to 1.20%, Ceq=[C]+[Si]/24+[Mn]/6+[Ni]/40+[Cr]/5+[Mo]/4+[V]/14.

Flux-cored wire for welding ultrahigh tensile strength steel

A flux-cored wire for gas shielded welding use which can reduce the oxygen of weld metal to obtain a weld joint which is excellent in toughness and which enables all-position welding by direct current reverse polarity, wherein the wire contains, by mass % with respect to the wire total mass, CaO: 0.2 to 7.0%, one or more of MgF, CaF, SrF, and BaFin a total of 1.0% or more (total of fluorides and CaO being 3.0 to 12.0%), one or more of Si, Al (less than 0.3%), Ti, Mg, Zr, Ca, Ce, and La in a total of 0.2 to 2.0%, and one or more oxides of Si, Mn, Al, Ti, B, and Zr in a total of 0.2 to 3.0%, &#x3b1;=C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+Nb/10+5B is 0.15 to 0.40%, P and S in a total of 0.040% or less, a balance of Fe, an arc stabilizer, unavoidable impurities, and a content of iron powder in the flux of 5.0% or less.

Flux-cored wire for gas shield arc welding use enabling all-position welding

A chondroitin sulfate having a decreased molecular weight which has utilization as an inhibitor of peritoneal disorder caused by long-term use of a peritoneal dialysis fluid containing glucose or a polysaccharide thereof as an osmotic agent, utilization as an osmotic agent in a peritoneal dialysis fluid, and the like. The chondroitin sulfate having a decreased molecular weight of the present invention as a means for achieving the object is characterized by having a weight average molecular weight of from 1000 to 20000 and containing a constituent disaccharide unit represented by the following structural formula in an amount of from 65% to 100% (molar ratio) of the total:-[4GlcA&#x3b2;1-3GalNAc(6S)&#x3b2;1]-(wherein GlcA represents a D-glucuronic acid residue; GalNAc represents an N-acetyl-D-galactosamine residue; &#x3b2;1-3 represents a &#x3b2;1-3 glycosidic linkage; &#x3b2;1-4 represents a &#x3b2;1-4 glycosidic linkage; and (6S) indicates that position 6 of the monosaccharide residue is sulfated).

Chondroitin sulfate having decreased molecular weight and use thereof

An ultrahigh-strength welded joint with superior strength and toughness, and a method for producing the ultrahigh-strength welded joint by means of single-pass welding by using laser hybrid welding, are provided, wherein the welded joint comprising a steel plate having a plate thickness of 4 mm to 12 mm and including weld metal of almost full martensite structure, wherein, in a cross-section of the welded joint in a direction perpendicular to a welding direction, a cross-sectional shape of the weld metal has a width Wof 2.0 to 7.0 mm at a surface of the steel plate and a width Wof 0.5 to 2.4 mm at a position where is separated from the surface by three-quarters of the plate thickness, wherein the weld metal comprises, by mass %, C: over 0.09% to 0.24%; Si: 0.2% to 1.0%; Mn: 0.5% to 2.5%; P: 0.02% or less; S: 0.02% or less; Al: 0.004% to 0.08%; Ti: 0.005% to 0.15%; O: 0.005% to 0.05%; and Ni: 1.0% to 9%, and wherein a carbon equivalent (Ceq) is 0.40% to 1.00%, a value Y as defined by equation (([Si]+[Mn])/40+[Al]+[Ti]) is 0.07% to 0.20%.

Ultrahigh-strength welded joint and production method thereof

A widthwise one half portion of a core section is constituted by a first section formed by stacking a plurality of first elements having first and second linear channels and inside them and fins, and a widthwise other half portion thereof is similarly constituted by a second section formed by stacking a plurality of second elements respectively having U-shaped channels inside them and fins. The number of times the refrigerant fed into a thicknesswise one half portion on an inlet tank side of the first section is turned back in an opposite direction concerning a longitudinal direction of the first linear channels inside this thicknesswise one half portion is made more numerous than the number of times the refrigerant fed into a thicknesswise other half portion on an outlet tank side of the first section is turned back in the opposite direction concerning the longitudinal direction of the second linear channels inside this thicknesswise other half portion.

Stacked-type evaporator

The present invention provides new acylsulfonamide derivatives such as 4-(3-trifluoromethyl)phenylethynyl-N-(2-(5-ketohexanoylamino)sulfonylphenyl)benzamide, 4-(3-trifluoromethyl)phenylethynyl-N-(2-(2-propyloxyacetylamino)sulfonylphenyl)benzamide or analogues thereof. These acylsulfonamide derivatives have a hypoglycemic effect equal to or superior to the effects of the conventional hypoglycemic agents and they are free from the side effects unlike the glitazone compounds.

Acylsulfonamide derivatives

Steel plate less susceptible to welding distortion and highly bendable

An adhesive for use in producing an optical disk comprising two transparent substrates bonded to each other with a photocurable adhesive at respective bonding surfaces thereof and having an information recording layer formed on one or both of the bonding surfaces is disclosed, which is a composition comprising ingredient (A) shown below and a photopolymerization initiator comprising ingredient (B) and/or ingredient (C) shown below: (A) a radical-polymerizable vinyl compound, (B) an acylphosphine oxide compound represented by the general formula ##STR1## and (C) an .alpha.-aminoacetophenone compound represented by the following formula. ##STR2## With this adhesive, optical disk substrates having an extremely low light transmittance can be easily bonded to each other in a short time period without impairing their appearance.

Adhesive for optical disk

Heating apparatus including plurality of regenerative burner units and

Fluid gasket composition with fine rubber particles has sufficient elasticity. The particle size of the rubber particles contained in the fluid gasket composition is desired to be 0.1 to 3.0 mm. The fluid gasket composition applied to a joint portion between mechanical parts or the like exhibits an effect of sealing and absorbing vibrations, dislocation and mechanical movements taking place in the mechanical parts.

Fluid gasket composition

A triazole compound of the formula (I): ##STR1## and an insecticide comprising the same as the active ingredient.

Triazole compound and insecticide

A triazole compound having the formula (I): ##STR1## wherein R.sub.1 and R.sub.2 represent a hydrogen atom, a lower alkyl group or a dialkylcarbamoyl group, or R.sub.1 and R.sub.2 may be bonded to form an alkylene group, an oxyalkylene group or a thioalkylene group which may be substituted with a lower alkyl group, R.sub.3 represents a hydrogen atom or CONRR' where R and R' represent an alkyl group, an alkenyl group, an alkynyl group, a cyanoalkyl group or a phenyl group or benzyl group which may be substituted, or R and R' may be bonded to form an alkylene group, an oxyalkylene group or a thioalkylene group which may be substituted with a lower alkyl group; R.sub.4 represents ##STR2## where R.sub.5 represents a hydrogen atom, a lower alkyl group or a phenyl group, R.sub.6 represents a lower alkyl group, or R.sub.5 and R.sub.6 may be bonded to form an alkylene group, with a proviso that R.sub.1 and R.sub.2 cannot be dialkylcarbamoyl groups at the same time, and an insecticide containing the triazole compound as an active component.

Triazole compound and insecticide composition containing the same

Growing community of inventors

Tokyo, Japan

Kazuhiro Kojima