Tag Archives: explosion

Explosion method for controlling directional cutting

Application Number  00128944 Application Date  2000.09.17 Publication Number  1343870 Publication Date  2002.04.10 Priority Information     International Classification  F42D3/04   Applicant(s) Name  Du Zhigang   Address     Inventor(s) Name  Du Zhigang   Patent Agency Code  00000 Patent Agent   AbstractA controlled explosion method for directional cutting features that two rods and explosive roll are… Read More »

Method for blocking perforation of oil well by explosion and blocking bullet

Application Number: 00112580Application Date: 2000.09.25Publication Number: 1346011Publication Date: 2002.04.24Priority Information: International: E21B33/13Applicant(s) Name: China Univ. of Science and TechnologyAddress: Inventor(s) Name: Zhou Tingqing;Yan Shichun;Liang KaifangPatent Agency Code: 34103Patent Agent: wang xiangqiuAbstract The present invention relates to a well perforation-packing ball sealer, and is characterized by that the metal tube, reinforced flange and tubing connector are… Read More »

Ammonium nitrate explosive for engineering explosion and its preparing process

Application Number: 00113148Application Date: 2000.08.30Publication Number: 1286239Publication Date: 2001.03.07Priority Information: International: C06B21/00;C06B31/28;C06B31/30;C06B31/32Applicant(s) Name: Ya'an Chemical Plant, Sichuan Prov.Address: Inventor(s) Name: Zheng Rong;Liang Zhi;Fan JianminPatent Agency Code: 51113Patent Agent: fu shiweiAbstract An ammonium nitrate explosive for engineering explosion is prepared from ammonium nitrate (89-93 wt.%) composite oil phase (3.0-4.5 wt.%), bulking agent (4.0-6.5 wt.%) and composite… Read More »

Method for spreading fire-extinguishing dry powder by airflow generated by explosive explosion and fire extinguishing cylinder

Application Number: 00113341Application Date: 2000.03.24Publication Number: 1315212Publication Date: 2001.10.03Priority Information: International: A62C35/08Applicant(s) Name: Zeng ZhaoxiangAddress: Inventor(s) Name: Zeng ZhaoxiangPatent Agency Code: 43101Patent Agent: zou xiaoqiangAbstract A fire-extinguishing method features that a fire-extinguishing cylinder containing dry fire-extinguishing powder and explosive is arranged in a fire-preventing area in advance. When fire accident accurs,the explosive in the cylinder… Read More »

Process for preparing composite aluminium alloy solder used by explosion welding

Application Number: 00114046Application Date: 2000.01.27Publication Number: 1359765Publication Date: 2002.07.24Priority Information: International: B21B47/00;B23K20/08;B32B15/20Applicant(s) Name: Zheng YuanmouAddress: Inventor(s) Name: Zheng YuanmouPatent Agency Code: 00000Patent Agent: Abstract A method for making 2-layer or 3-layer composite Al-alloy material (plate, band or foil) by explosion welding includes cleaning the surfaces to be joined, explosion welding, heating to 460-540 deg.C, hot… Read More »

Pressure regulator of liquefied petroleum gas for preventing explosion caused by leakage

Application Number: 00114210Application Date: 2000.04.19Publication Number: 1276497Publication Date: 2000.12.13Priority Information: International: F16K27/00;F16L33/22Applicant(s) Name: Luo ZhixingAddress: Inventor(s) Name: Luo ZhixingPatent Agency Code: 00000Patent Agent: Abstract A pressure regulator of liquefied petroleum gas for preventing explosion caused by leakage has a joint of external flexible tube and a nut on the joint, which can prevent the jointed… Read More »

Method for making explosion cladding board with large width

Application Number: 00123052Application Date: 2000.09.29Publication Number: 1345644Publication Date: 2002.04.24Priority Information: International: B23K20/08Applicant(s) Name: Dalian Univ. of Science & EngineeringAddress: Inventor(s) Name: Li Xiaojie;Xi Jinyi;Dong ShouhuaPatent Agency Code: 21200Patent Agent: hou mengyuanAbstract The method for making large-breadth explosion composition plate is mainly characterized by that an initiator bar with high detonation velosity and stable initiation function… Read More »

Explosion method for demolishing cofferdam

Application Number: 00124802Application Date: 2000.09.12Publication Number: 1342882Publication Date: 2002.04.03Priority Information: International: F42D3/02Applicant(s) Name: Inst of Mechanics, Chinese Academy of SciencesAddress: Inventor(s) Name: Li Shihai;Xu Yihong;Chang YuhuaPatent Agency Code: 31002Patent Agent: gao cunxiuAbstract A technique for demolishing cofferdam by explosion is featured by that a broken line is made on the external side of said cofferdam… Read More »

Method for preventing discharge of saponified waste lye incineralor from producing explosion in dissolivng tank

Application Number: 00126698Application Date: 2000.11.17Publication Number: 1354343Publication Date: 2002.06.19Priority Information: International: F23G7/00;F23G7/04Applicant(s) Name: Baling Branch Company, China Petro-Chemical CorporationAddress: Inventor(s) Name: Cheng Liquan;He Jianhui;Wang ChunzhiPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to a method for preventing the discharge of saponified waste lye incinerator furnace from exploding in dissolving tank, and is characterized… Read More »

Accurate wellhead time acquiring method and device for explosion machine

Application Number: 00107474Application Date: 2000.05.18Publication Number: 1325030Publication Date: 2001.12.05Priority Information: International: G01V1/40Applicant(s) Name: Zhongyuan Oil Field Branch, China Petrochemical Corp., Ltd.Address: Inventor(s) Name: Peng Shulin;Zhao Wenwei;Wang LixinPatent Agency Code: 41108Patent Agent: wan longAbstract The method for obtaining accurate shot hole-time of explosion machine in seismic exploration includes the following steps: using three or more than… Read More »