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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.:

US 5543210 B1

PDFFull Text
Date of Patent:
Aug. 06, 1996

Filed:

Jun. 24, 1994

Diamond coated body

Applicant:
Inventors:

Gregor Kullander, Alvsjo, SE;

Ingrid Reineck, Huddinge, SE;

Helene Brandrup-Wognsen, Ingaro, SE;

Assignee:

Sandvik AB, Sandviken, SE;

Attorney:

Burns, Doane, Swecker & Mathis

Primary Examiner:

A A Turner

Int. Cl.
CPC ...
B24D / ;
U.S. Cl.
CPC ...
428217 ; 428131 ; 428212 ; 428216 ; 428336 ; 428408 ; 428698 ; 51295 ; 51307 ; 51309 ; 407119 ;
Abstract

There is now provided a body of cemented carbide, Si.sub.3 N.sub.4 or another ceramic material, coated by at least one CVD or PVD diamond or cBN layer with a chromium nitride, chromium carbide or chromium carbonitride layer. The chromium-containing layer is outside the diamond layer which in the case of more than one diamond layer is the outermost diamond layer of the coating. Improved machining properties are obtained.

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Kullander, Gregor. (1996). Diamond coated body (U.S. Patent No. 5543210). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5543210

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