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. 12, 1980
Filed:
Mar. 08, 1978
Applicant:
Inventor:
Karl Schrittwieser, Edenvale, ZA;
Assignee:
Sintermetallwerk Krebsoge GmbH, Krebsoge, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ; C22C / ;
U.S. Cl.
CPC ...
75244 ; 75201 ; 75202 ; 75205 ; 75214 ; 75224 ;
Abstract
A boron-containing powder in an amount of up to 25% by weight is mixed with a metal powder (e.g. steel) and the mixture is compacted in a mold to at least 80% of theoretical density. The compact is sintered at 700.degree. to 1300.degree. C. under a protective atmosphere or vacuum to yield a hard, wear-resistant body.
Schrittwieser, Karl. (1980). Process for producing hard, wear-resistant boron-containing metal bodies (U.S. Patent No. 4217141). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4217141
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile