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:
Apr. 25, 2000
Filed:
Jul. 28, 1998
Applicant:
Inventors:
Mark J Topolski, Indianapolis, IN (US);
Carl R Allis, Crawfordsville, IN (US);
Assignee:
Consolidated Process Machinery, Inc., Merrimack, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B / ;
U.S. Cl.
CPC ...
425313 ; 425331 ; 425464 ; 425D / ;
Abstract
A pelleting die is provided, preferably in cylindrical form. The die includes a cylindrical body having inner and outer cylindrical surfaces and holes through the surfaces in which particulate material is extruded to form pellets. The die is formed of an H-group steel alloy, preferably H13 alloy, with the surfaces being nitrided to provide increased surface hardness, resistance to wear, improved fatigue life and improved corrosion resistance.