The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 1981
Filed:
Mar. 14, 1979
Anatoly V Kolchin, Moscow, SU;
Vladimir I Veprintsev, Moscow, SU;
Lev I Klyachko, Moscow, SU;
Alexandr S Novgorodov, Moscow, SU;
Vladimir M Zubkov, Moscow, SU;
Leonid F Vereschagin, Moscow, SU;
Lev G Khvostantsev, Izmiran Moskovskaya oblast, Podolsky raion, SU;
Albert P Novikov, Izmiran Moskovskaya oblast, Podolsky raion, SU;
Sergei I Yanshin, Late of Moscow, SU;
Klavdia M Yanshina, Moscow, SU;
Elena S Yanshina, Moscow, SU;
Ivan S Yanshin, Moscow, SU;
Zinaida P Yanshina, administrators, Moscow, SU;
Other;
Abstract
A device for building-up high pressures, in which the die surfaces facing each other are provided with circular grooves intended to be filled with a solid medium and arranged concentrically to, and beyond, the central sections of the dies. On closing of the dies, these circular grooves form spaces filled with the solid medium.