Kao Corporation

Nippon Steel Corporation

Nippon Steel Sumitomo Metal Corporation

Shinji Kodama

Yoshinari Ishida

Akira Nonomura

Atsushi Sato

Kazuki Matsuda

Yasunobu Miyazaki

Carl Gordon Hewett

Hirokatsu Sugawara

Kenichiro Otsuka

Masafumi Azuma

Takehiko Tojo

Seiji Furusako

Susumu Fujinami

Hideki Hamatani

Shingo Odajima

Haruomi Enomoto

Minoru Goto

Yoichiro Mori

Koichi Sato

Yoshiaki Nakazawa

Takashi Nakano

Hitoshi Asahi

Yoshiaki Kumamoto

Tokuo Tsuura

Kenichi Otani

Yukiya Sato

Masataka Ishikawa

Kotaro Watanabe

Hatsuhiko Oikawa

Katsunari Norita

Yutaka Mikazuki

Shoko Oami

Manabu Mizumoto

Masahiro Matsuba

Michael Edward Philip Russell

Kenichi Asai

Joe Antony Williams

Nobuo Mizuhashi

Yujiro Tatsumi

Yasuaki Naito

Koichi Sagara

Shinji Otakura

Tasuku Zeniya

Chisato Yoshinaga

Shoko Tsuchiya

Masahiro Ogawa

Naoki Imai

Tomohiro Onda

Ikuo Fukuda

Masatoshi Tokunaga

Takashi Miyakawa

Michimasa Mukai

Masanori Takita

Koji Toyoda

Sho Matsui

Michitoshi Tanimoto

Yuuichi Yosida

Shuhei Matsumoto

Mitsuyuki Kubo

Sunao Takeuchi

Masaaki Suzuki

Kyohei Miyake

Takashi Oke

Tomohiro Nakaji

Kenji Iwane

Tadashi Nakata

A portable, hand-held electrospinning or electrospraying apparatus and system, method, and portions thereof, comprised of a durable portion of the hand-held apparatus and a consumable portion of the hand-held apparatus. The consumable portion of the hand-held apparatus, which may contain the solution to be output in electrospin or electrospray fashion, may be replaced in whole or in part to provide additional or alternative solution. A base station may be provided, and can output high voltage and communication signals to the hand-held apparatus to enable the electrospin or electrospray operation by the hand-held apparatus.

Electrospinning apparatus and system and method thereof

Provided is a hand-held type electrostatic spray device () spraying an electrically charged liquid, the electrostatic spray device () comprising: a voltage source; a needle-shaped electrode (: a base electrode) for electrically charging the liquid to which a voltage is applied from the voltage source and which includes a linear tip portion; a second bottom portion (: an additional electrode) of a second electrode member () to which a voltage is applied from the voltage source; and a conductor () which is electrically isolated from the second bottom portion () and the needle-shaped electrode () and is disposed on a spray side of the liquid from the second bottom portion (), at least a part of the conductor () overlapping with the second bottom portion () in a direction orthogonal to a spray direction of the liquid.

Electrostatic spray device, cartridge, and cover

An automobile undercarriage part of the present invention has a welded joint formed by base steel plate,

Automobile undercarriage part

A welded joint comprising: a pair of steel base materials having a sheet thickness of 0.4 to 4.0 mm, and at least one of which has a tensile strength of 780 MPa or more; and a weld metal that welds the pair of steel base materials, wherein, when the weld metal is seen in plan view, a weld toe of the weld metal has peaks and valleys, an average distance in a direction orthogonal to a weld line direction between a top point of a peak and a bottom point of a valley that are adjacent to one another is 3.0 mm or less, and an average number of a total of peaks and valleys, at which the distance in the direction orthogonal to the weld line direction between the top point of the peak and the bottom point of the valley that are adjacent to one another is 0.1 mm to 3.0 mm, is 2 to 30/15 mm, and an automobile component having the welded joint.

Welded joint and automobile component

An automobile undercarriage part of the present invention is an automobile undercarriage part including a welded joint in which a first steel sheet and a second steel sheet are overlapped and a fillet weld is formed between an end surface of the first steel sheet and a surface of the second steel sheet, in which a chemical composition of a weld metal that forms the welded joint contains, with respect to a total mass of the weld metal, by mass %, C: 0.02% to 0.20%, Si: more than 0% to less than 0.10%, Mn: 0.3% to 2.0%, Al: 0.002% to 0.30%. Ti: 0.005% to 0.30%, P: more than 0% to 0.015%, and S: more than 0% to 0.030%, and the following formula (1) and formula (2) are satisfied.[Al]+[Ti]>0.05  Formula (1)7×[Mn]−112×[Ti]−30×[Al]≤4.0  Formula (2)

Electrospinning apparatus and systems and methods thereof

A lap fillet arc welded joint includes: a first steel sheet and a second steel sheet which are overlapped each other, the first steel sheet and the second steel sheet each having a tensile strength of 950 MPa or more; and a weld metal which extends along a corner formed by an upper surface of the first steel sheet and an end surface of the second steel sheet. When: a toe angle of the weld metal is defined as &#x3b2;; the total number of concave portions present on the surface of the weld metal included a range of 0.4 mm or less from a fusion boundary is defined as NA; and the number of concave portions in contact with ferrite grains having a maximum grain size of 10 &#x3bc;m or more is defined as NB, the weld metal satisfies the following conditional expressions (1) and (2) at the same time.0&#xb0;&#x3c;&#x3b2;&#x3c;30&#xb0;&#x2003;&#x2003;(1)&#x2264;0.70&#x2003;&#x2003;(2)(Here, NA is 20 or more).

Lap fillet arc welded joint

Nozzle for cartridge inserted in a fluid emitting device

The present invention provides a lap fillet arc welding joint including a first metal sheet, a second metal sheet, and a weld bead. A region of the first metal sheet on one end side is bent. In a first direction, a position of a tip end of the bent region of the first metal sheet overlaps a region of the second metal sheet on one end side. In a second direction, an amount of deviation between a central axis of a region connected to the bent region of the first metal sheet and a central axis of the region of the second metal sheet on one end side is &#xbd; times or less of average sheet thicknesses of the first metal sheet and the second metal sheet. A joint portion length is two times or more of the sheet thickness of the second metal sheet.

Lap fillet arc welding joint

In a fillet welded joint a base material tensile strength is 980 MPa or more, a carbon equivalent is 0.36 or more and 0.60 or less, a tensile strength [MPa] is 1950 times or more of the carbon equivalent [wt %], a weld metal average carbon equivalent is 0.45 or more and 0.65 or less, and at a prescribed position below a surface of a weld toe, a Vickers hardness HVbond at a boundary between the weld metal and a heat affected zone, an average value HVwmt of the Vickers hardness of the weld metal in a position 0.1-mm or more and 0.3-mm or less to the weld metal side of the boundary, and an average value HVhaz of the Vickers hardness of the heat affected zone in a position 0.1-mm or more and 0.3-mm or less to the heat affected zone side of the boundary satisfy HVbond&#x2264;HVwmt, HVbond&#x2265;HVhaz-50, and HVhaz&#x2264;350.

Fillet welded joint and method of manufacturing thereof

Container for cartridge

A welding method for obtaining a lap fillet welded joint excellent in tensile strength, without causing an increase in welding deformation, not fracturing at the weld metal when a tensile load is applied, that is, a method of overlaying at least scheduled welding locations of a first steel sheet with a tensile strength of 780 MPa or more and a second steel sheet and fillet welding an end part of the first steel sheet and a surface of the second steel sheet, characterized by providing a reinforcing part at a surface of the first steel sheet at the opposite side to the surface to be overlaid with the second steel sheet and fillet welding one end part of the reinforcing material and the surface of the first steel sheet and by fillet welding the end part of the reinforcing part, the end part of the first steel sheet, and the surface of the second steel sheet so as to be covered by the weld metal.

Fillet welding method and fillet welded joint

A film forming deviceincluding a distance measurement unitfor measuring the distance between the skin S and the device, a distance decision unitfor deciding whether the distance measured by the distance measurement unitis proper for electrostatic spraying, and a distance notification unitfor notifying a user of the decision by the distance decision unit. The film forming deviceis of hand-held type small enough and configured to be held by the user's hand. The devicepreferably includes an angle measurement unitfor measuring the angle between the electrostatic spray direction and the skin S.

Coat-forming device

The present invention provides a consumable electrode type gas shield arc welding method for performing arc welding of two steel sheets using a welding torch having a consumable electrode. The consumable electrode type gas shield arc welding method includes performing arc welding while a shielding gas having an oxygen potential &#x3b1; which is indicated by the following Expression (1) and ranges from 1.5% to 5% is supplied from the welding torch toward the consumable electrode, and blowing an oxidation promotion gas having an oxygen potential &#x3b2; which is indicated by the following Expression (2) and ranges from 15% to 50% at a flow velocity ranging from 1 to 3 m/sec over a weld bead and a weld toe portion which are formed by arc welding and are in a state of 700&#xb0; C. or higher,&#x3b1;=100&#xd7;([(O)]+[(CO)]/5)/([()]+[(O)]+[(CO)])&#x2003;&#x2003;Expression (1)&#x3b2;=100&#xd7;[(O)]/([()]+[(O)]+[(CO)])&#x2003;&#x2003;Expression (2) here, [V(X)] is a mixing ratio (volume %) of an inert gas included in the shielding gas, [V(O)] is a mixing ratio (volume %) of oxygen included in the shielding gas, [V(CO)] is a mixing ratio (volume %) of carbon dioxide included in the shielding gas, [V(X)] is a mixing ratio (volume %) of an inert gas included in the oxidation promotion gas, [V(O)] is a mixing ratio (volume %) of oxygen included in the oxidation promotion gas, and [V(CO)] is a mixing ratio (volume %) of carbon dioxide included in the oxidation promotion gas.

Consumable electrode type gas shield arc welding method and arc welding portion

Growing community of inventors

Tokyo, Japan

Shinji Kodama