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:
Aug. 13, 2002
Filed:
May. 12, 2000
Evgeny Alexandrovich Levashov, Moscow, RU;
Alexander Sergeevich Rogatchov, Chernogolovka, RU;
Boris Vladmirovich Spitsin, Moscow, RU;
Mitsue Koizumi, Toyonaka-shi, Osaka, JP;
Manshi Ohyanagi, Kusatsu-shi, Shiga, JP;
Satoru Hosomi, Oyama, JP;
Other;
Abstract
A superabrasive containing layered composite is provided which comprises a substrate block consisting of either ceramic material and metallic or several metallic materials, and a superabrasive containing body adjacent said substrate block. The superabrasive contains superabrasive particles, and a metallic ingredient which is distributed in the superabrasive containing layer, including a working surface. The superabrasive material may be formed using a compression cell wherein the compression cell comprises a die defined by a vertical wall and a flat closed bottom. Placed in the die, in order from bottom upward, comprises a formed pallet of single body or layers of mixed powder forming a refractory compound, a material mass of a working layer containing diamond particles, a mass of ignition material comprising an SHS composition, and an electrical heating element.