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.

Date of Patent:
Feb. 24, 1981

Filed:

Apr. 19, 1979
Applicant:
Inventors:

Cornelius Phaal, Sandton, ZA;

Rainer Jurgens, Celle, DE;

Assignee:

Christensen, Inc., Salt Lake City, UT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28D / ;
U.S. Cl.
CPC ...
125 39 ; 7610 / ; 407119 ;
Abstract

A cutting element for processing of rock, in particular, but also metal, comprising a support member of cemented carbide or the like hard material and a cutting member made of polycrystalline diamond or like superhard cutting material, said members together forming the cutting element, the cutting element being formed by a cutout of a blank comprising a core zone of the cutting material and an outer zone of the hard material surrounding said core zone in the form of a shell, at least at the periphery thereof. The cutting element typically forms a wedge-shaped section of the blank.


Find Patent Forward Citations

Loading…