Expansion jointed corrugated elliptic heat pipe

Application Number  00129580 Application Date  2000.10.08 Publication Number  1348088 Publication Date  2002.05.08 Priority Information     International Classification  F28D15/02;F28F1/30   Applicant(s) Name  Meng Ji'an   Address     Inventor(s) Name  Meng Ji'an   Patent Agency Code  00000 Patent Agent   AbstractExpansion jointed corrugated elliptic heat pipe consists of thin-wall expansion jointed corrugated base pipes, sleeved Read more

Elliptic compasses

Application Number: 00114593Application Date: 2000.05.23Publication Number: 1273914Publication Date: 2000.11.22Priority Information: International: B43L11/04Applicant(s) Name: Feng SunzhongAddress: Inventor(s) Name: Feng SunzhongPatent Agency Code: 45106Patent Agent: li mengtianAbstract An elliptic compasses set for drawing featurs that a bearing is respectively installed to the top and bottom of triangular or semi-circular compasses skeleton, the right-angle crankshaft, to whose bottom Read more

Numeral control method for machining elliptic curve

Application Number: 00110314Application Date: 2000.04.12Publication Number: 1317392Publication Date: 2001.10.17Priority Information: International: B23Q15/013Applicant(s) Name: Shenyang Inst of Automation, Chinese Academy of SciencesAddress: Inventor(s) Name: Qiu JihongPatent Agency Code: 21002Patent Agent: min xianzhiAbstract A numeral control technoloy for machining elliptic curve features that the physical axle of the mechanical drive chain to which workpiece is installed is Read more