Tag Archives: welding

Plasma arc welding 'small hole' detecting device and method

Application Number  00129551 Application Date  2000.10.09 Publication Number  1310072 Publication Date  2001.08.29 Priority Information     International Classification  B23K10/02;G01R19/15   Applicant(s) Name  Zhang Shaobin   Address     Inventor(s) Name  Zhang Shaobin;Sun Dong   Patent Agency Code  00000 Patent Agent   AbstractThe detecting device has a metal detector installed in the place near the nozzle… Read More »

Stainless steel composite pipe welding method

Application Number  00129337 Application Date  2000.11.22 Publication Number  1354061 Publication Date  2002.06.19 Priority Information     International Classification  B23K9/02;B23K31/00   Applicant(s) Name  First Company of Industrial Equipment Installation Company, China Constructional   Address     Inventor(s) Name  Bai Tianhai;Lu Ruilian;Zhang Heng   Patent Agency Code  00000 Patent Agent   AbstractThe present invention relates to a… Read More »

Electric welding rod for built-up welding

Application Number  00129147 Application Date  2000.10.09 Publication Number  1290587 Publication Date  2001.04.11 Priority Information     International Classification  B23K35/365   Applicant(s) Name  Han Jingmin   Address     Inventor(s) Name  Han Jingmin   Patent Agency Code  00000 Patent Agent   AbstractThe electric welding rod has coating comprising carbonate, carbon ferrochromium, manganese, ferrotungsten, ferromolybdenum, ferrovanadium, fibrous… Read More »

Rotary friction welding method

Application Number  00128667 Application Date  2000.09.20 Publication Number  1304816 Publication Date  2001.07.25 Priority Information   1999/11/24 JP 332855/1999   International Classification  B21D47/00;B23K20/12;F16S1/02   Applicant(s) Name  Hitachi Ltd.   Address     Inventor(s) Name  Ekado Masakuni;Fukuyori Issei;Ina Yoshihiko   Patent Agency Code  11038 Patent Agent  zheng xiuzhe AbstractAn abutted portion of face plates 12b and 22b… Read More »

High-strength and high-toughness submerged-arc welding wire

Application Number: 00114334Application Date: 2000.01.19Publication Number: 1258579Publication Date: 2000.07.05Priority Information: International: B23K35/30Applicant(s) Name: Wuhan Iron & Steel (Group) Corp.Address: Inventor(s) Name: Liu Jibin;Wang Yutao;Miao KaiPatent Agency Code: 42102Patent Agent: jiang zhaofangAbstract The submerged arc welding wire has chemical components in weight percentage of: C 0.05-0.10, Mn 1.60-2.10, Si less than 0.10, Ni 0.30-0.50. Mo 0.20-0.50… Read More »

Hidden arc build-up welding method for repairing internal surface of pipe-casting mould

Application Number: 00123344Application Date: 2000.11.30Publication Number: 1355080Publication Date: 2002.06.26Priority Information: International: B23K9/04;B23K9/18Applicant(s) Name: Wang YingjieAddress: Inventor(s) Name: Huang Baoyi;Bai Yuzeng;Yu QuanyongPatent Agency Code: 00000Patent Agent: Abstract A hidden arc build-up welding method for repairing the inner surface of mould for cast pipe features that a manipulator is used for conducting the hidden arc welding in… Read More »

Welding flux collecting hold and welding flux extraction sealing off tool using with the same welding flux collecting hold

Application Number: 00117878Application Date: 2000.04.11Publication Number: 1277083Publication Date: 2000.12.20Priority Information: 1999/4/12 US 09/289720; 2000/2/22 US 09/510682International: B23K1/018;B23K3/04;B23K3/08Applicant(s) Name: Pais, Ltd.Address: Inventor(s) Name: D. W. Laurence;D. T. Laye;W. J. SeegalPatent Agency Code: 72001Patent Agent: huang lihangAbstract A disposable solder receiving capsule for a hand held vacuum solder extracting desoldering tool is formed of an outer tube… Read More »

Welding rod storage device

Application Number: 00121112Application Date: 2000.07.26Publication Number: 1281812Publication Date: 2001.01.31Priority Information: 1999/7/26 KR 30279/1999International: B65D81/00;B65D85/26Applicant(s) Name: Hyundai General Metal Co., Ltd.Address: Inventor(s) Name: Pae Hyo-YoungPatent Agency Code: 11219Patent Agent: wu yuqinAbstract The welding wire housing device is composed of an outer pipe and an inner pipe and has a construction where the bottom end of a… Read More »

Welding airtightness test technology for exhaust silencer system assembly

Application Number: 00114352Application Date: 2000.01.27Publication Number: 1306894Publication Date: 2001.08.08Priority Information: International: B23K11/11;B23K11/36Applicant(s) Name: Hubei Tongda Co., Ltd.Address: Inventor(s) Name: He Hao;Du XinzhongPatent Agency Code: 42110Patent Agent: ke chunhuaAbstract The present invention features that in the same fixture and through one identical process, the welding and the airfightness test of exhaust silencer system assembly are completed… Read More »

High-strength welding head

Application Number: 00124311Application Date: 2000.09.04Publication Number: 1287035Publication Date: 2001.03.14Priority Information: 1999/9/3 JP 250152/1999International: B23K1/20;B23K35/26;H05K1/09Applicant(s) Name: NEC Corp.Address: Inventor(s) Name: Kawajima Wayuki;Tanaka YasuriPatent Agency Code: 11219Patent Agent: mu dejunAbstract A soldering method achieving a high-strength joint between a solder and an nickel/gold alectroless plated surface is disclosed. The nickel/gold electroless plated layer is soldered using a… Read More »

Continuous pumping rod welding process

Application Number: 00118960Application Date: 2000.09.04Publication Number: 1341503Publication Date: 2002.03.27Priority Information: International: B23K31/00;B23P23/04;E21B17/00Applicant(s) Name: Shen JiangAddress: Inventor(s) Name: Shen Jiang;Lin Chuanhong;Yang XianpingPatent Agency Code: 00000Patent Agent: Abstract The welding process for continuous pumping rod in well site is characterized by including the following steps: treatment of welding position before welding, flash butt welding, surface treatment of… Read More »

Welding wire for submerged-arc welding of low-carbon Cr-Mo steel

Application Number: 00110787Application Date: 2000.08.16Publication Number: 1337292Publication Date: 2002.02.27Priority Information: International: B23K35/22Applicant(s) Name: Inst. of Metals, Academia SinicaAddress: Inventor(s) Name: Qian Bainian;Chen Xiao;Wu ChangzhongPatent Agency Code: 21002Patent Agent: zhang chenAbstract The present invention relates to a low-carbon Cr-Mo steel submerged arc welding wired rod, and its chemical components are (wt%) C 0.05-0.15 Mn 0.3-1.5, Si… Read More »

Technology for manufacturing non-turble ball spigot without welding

Application Number: 00121199Application Date: 2000.07.31Publication Number: 1280890Publication Date: 2001.01.24Priority Information: International: B21D51/00;B21K1/20Applicant(s) Name: Wu LeruiAddress: Inventor(s) Name: Wu LeruiPatent Agency Code: 11139Patent Agent: sun haochenAbstract A technology for making non-turbulent ball plunger without welding includes such steps as punching a plate or a tube as raw material to obtain a rough blank with semisphere at… Read More »

Welding electrode of stainless martensitic-austenitic steel for resisting gas holes, moisture and abrasion

Application Number: 00114375Application Date: 2000.02.15Publication Number: 1264634Publication Date: 2000.08.30Priority Information: International: B23K35/362Applicant(s) Name: Huazhong Science and Engineering Univ.Address: Inventor(s) Name: Yu Shengfu;Li ZhiyuanPatent Agency Code: 42201Patent Agent: yang weiguoAbstract A welding electrode of stainless martensitic-astenitic steel features that its coated layer is the mixture of 21 components which may be alloy powders and minerals including… Read More »

Aged hardened toolsteel tungsten argon arc welding metal powder core surfacing welding rod

Application Number: 00124471Application Date: 2000.09.08Publication Number: 1281767Publication Date: 2001.01.31Priority Information: International: B23K35/30Applicant(s) Name: Beijing Polytechnic Univ.Address: Inventor(s) Name: Wei Qi;Chen Jingrong;Hu QiangPatent Agency Code: 11203Patent Agent: zhang yanhuiAbstract The composition of metal powder core of said invented surfacing welding rod is formed from (wt%) Co: 7-46%, Ni: 3-28%, Mo: 0-30%, Fe-Mo: 0-40%, W: 0-40%, Fe-W:… Read More »

Continuous pumping rod welding tractor

Application Number: 00118963Application Date: 2000.09.04Publication Number: 1341504Publication Date: 2002.03.27Priority Information: International: B60P3/00Applicant(s) Name: Lin ChuanhongAddress: Inventor(s) Name: Lin Chuanhong;Yang Xianping;Li WeiPatent Agency Code: 00000Patent Agent: Abstract The well site welding tractor capable of meeting continuous pumping rod welding condition is characterized by that on the tractor platform a 12V D.C. flash-buttwelder, an A.C. power generator,… Read More »

Continuing welding rod

Application Number: 00111885Application Date: 2000.03.03Publication Number: 1311076Publication Date: 2001.09.05Priority Information: International: B23K35/02Applicant(s) Name: Wu ZhaohongAddress: Inventor(s) Name: Wu ZhaohongPatent Agency Code: 00000Patent Agent: Abstract This invention discloses a flux-covered welding electrode, the front tip (arcing end) of the said electrode has a short sleeve fixed on its core and then coated with flux. The gap… Read More »

Method and system of welding steel guide rails

Application Number: 00121315Application Date: 2000.07.18Publication Number: 1281079Publication Date: 2001.01.24Priority Information: 1999/7/19 US 09/356837International: E01B11/50;B23K9/02Applicant(s) Name: The Lincoln World Inc.Address: Inventor(s) Name: J. J. MummerPatent Agency Code: 11243Patent Agent: gao jifuAbstract A method and system of depositing molten metal from an advancing welding wire to form a root pass of weld metal in the bottom of… Read More »

High-strength and high-toughness CO2 gas-shielded basic cored welding wire

Application Number: 00114376Application Date: 2000.02.15Publication Number: 1260261Publication Date: 2000.07.19Priority Information: International: B23K35/22;B23K35/38Applicant(s) Name: Huazhong Science and Engineering UniversityAddress: Inventor(s) Name: Yu Shengfu;Li ZhiyuanPatent Agency Code: 42201Patent Agent: yang weiguoAbstract The core powder of flux-cored wire is made up by mixing the powdered materials of rutile, potash feldspar, potassium titanate, magnetic clinker, sodium fluorosilicate, fluorite, fluoride… Read More »

Arc welding machine with multi-power supply

Application Number: 00124959Application Date: 2000.09.27Publication Number: 1292314Publication Date: 2001.04.25Priority Information: 1999/9/27 US 09/406,406International: B23K9/10;B23K9/06Applicant(s) Name: Lincoln Global Co.Address: Inventor(s) Name: E.K. StawaPatent Agency Code: 11243Patent Agent: gao jifuAbstract An electric arc welder comprising a plurality of power supplies connected to a single welding station with a D.C. input, each of the power supplies including a… Read More »

Welding guide plate

Application Number: 00119201Application Date: 2000.06.22Publication Number: 1330999Publication Date: 2002.01.16Priority Information: International: B23K37/06Applicant(s) Name: Yang JianchangAddress: Inventor(s) Name: Yang Jianchang;Chen MingrenPatent Agency Code: 31100Patent Agent: hu xiaopingAbstract A guide plate for welding has a clamping slot at its side for arranging a metal rod in the slot. On welding, after the weld material is filled, the… Read More »

Broken welding wires and welding method thereof

Application Number: 00112338Application Date: 2000.06.09Publication Number: 1273900Publication Date: 2000.11.22Priority Information: International: B23K35/02;B23K35/12Applicant(s) Name: Liu KunAddress: Inventor(s) Name: Liu KunPatent Agency Code: 32205Patent Agent: hua demengAbstract A broken welding wire is disclosed. Its welding steps include putting a buttom plate under the bevel groove on steel plate, welding a welded seam at the lower end of… Read More »

Method for welding pipeline

Application Number: 00121434Application Date: 2000.07.21Publication Number: 1281766Publication Date: 2001.01.31Priority Information: 1999/7/23 US 09/359,377International: B23K9/028;B23K35/30Applicant(s) Name: Lincoln Global Co.Address: Inventor(s) Name: Peter Nicklsen;Eriott K. StevePatent Agency Code: 11243Patent Agent: cang jianmengAbstract A method of welding the ends of two pipes at the open root between the spaced ends by an STT electric are welder, which comprises:… Read More »

Automatic welder for welding circular cover to link block

Application Number: 00115668Application Date: 2000.05.12Publication Number: 1271636Publication Date: 2000.11.01Priority Information: International: B23K9/12;B23K37/04Applicant(s) Name: Shanghai Jiaotong Univ.Address: Inventor(s) Name: Jin Xin;Yao Shun;Yao LiwangPatent Agency Code: 31201Patent Agent: wang tilinAbstract An automatic welder is composed of charging trough, connecting block, feeding cylinder, feeding seat, lower supporting cylinder, elastic supporting block, circular cover, rotary bench, motor, fixed backing… Read More »

Friction welding method

Application Number: 00126098Application Date: 2000.08.31Publication Number: 1306895Publication Date: 2001.08.08Priority Information: 2000/1/24 JP 136709/2000International: B23K20/12;F16S1/02Applicant(s) Name: Hitachi, LTd.Address: Inventor(s) Name: Kawasaki Katsu;Sagawa Hideyuki;Nakamura HideyukiPatent Agency Code: 11038Patent Agent: wang jinglinAbstract The panels 12b and 22b of the hollow elements 10, 20 are connected by stirred mount welding method. And then setting a connector 30, of which… Read More »

Shielding gas mixture for gas-metal electric arc welding

Application Number: 00119212Application Date: 2000.05.22Publication Number: 1274631Publication Date: 2000.11.29Priority Information: 1999/5/24 US 09/317370International: B23K9/16;B23K35/38Applicant(s) Name: Praxair Technology, Inc.Address: Inventor(s) Name: William De Abreu Macedo;Richard De Castro TorresPatent Agency Code: 72001Patent Agent: wang shihaoAbstract A shielding gas mixture for gas-metal arc welding of austenitic stainless steel is provided in which the gas mixture comprises from about… Read More »

AC power generating welding machine

Application Number: 00113475Application Date: 2000.06.05Publication Number: 1288796Publication Date: 2001.03.28Priority Information: International: B23K9/00;H02K3/00Applicant(s) Name: Yang ZhiyongAddress: Inventor(s) Name: Yang ZhiyongPatent Agency Code: 43114Patent Agent: yan yongAbstract The present invention relates to an A.C. power generation and welding dual-purpose machine, which is characterized by that in the slots whose number is 60-75% of all slots of main… Read More »

Medium flash welding method for high manganese steel frog and carbon steel rail

Application Number: 00121442Application Date: 2000.07.21Publication Number: 1275463Publication Date: 2000.12.06Priority Information: International: B23K11/04;B23K35/22Applicant(s) Name: Yanshan Univ.Address: Inventor(s) Name: Zhang FuchengPatent Agency Code: 11006Patent Agent: e changlinAbstract The present invention utilizes the CrMnNiMo system austenite-ferrite double-phase steel as medium material adopts flash welding method to join together the switch made of high manganese steel and rail made… Read More »

Electronic beam welder for laminated workpiece and its welding method

Application Number: 00115669Application Date: 2000.05.12Publication Number: 1271632Publication Date: 2000.11.01Priority Information: International: B23K15/06Applicant(s) Name: Shanghai Jiaotong Univ.Address: Inventor(s) Name: Yao Shun;Lou Songnian;Gao ChunmingPatent Agency Code: 31201Patent Agent: wang tilinAbstract An electronic beam welder for laminated workpiece is disclosed. An electronic gun is positioned at upper part of low-vacuum chamber. The workpiece is fixed to a rotary… Read More »

Method and device for welding spring onto shadow mask

Application Number: 00119246Application Date: 2000.06.28Publication Number: 1285257Publication Date: 2001.02.28Priority Information: 1994/7/18 JP 188794/94International: B23K37/04;H01J29/07Applicant(s) Name: Sony Corp.Address: Inventor(s) Name: Taketa Masazo Kurihara Tomoyuki;Otasuka KazuhikoPatent Agency Code: 11038Patent Agent: ma jiangliAbstract Method of welding spring to aperture grill of the invention is carried out as follow : when three or four panel attachment springs 3 are… Read More »