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:
Sep. 09, 1986
Filed:
Jun. 27, 1984
Theodore V Maliszewski, North Canton, CT (US);
Combustion Engineering, Inc., Windsor, CT (US);
Abstract
A pulverizer, i.e., grinding, roll (18) of the type that is particularly suited for embodiment in a bowl mill (10) wherein the roll (18) coacts with another surface (14) within the mill (10) to effect the pulverization therewithin of a material such as coal. The subject roll (18) embodies a trimetal form of construction. More specifically, the core material, i.e., the first or inner layer (50), of the trimetal roll (18) consists of a relatively soft material that is noted for its good machinability. The next, i.e., second or intermediate, layer (52) of the trimetal roll (18) comprises a material that has medium wear-resistant qualities. The last, i.e., third or outer, layer (54) of the trimetal roll (18) comprises a material having highly abrasive resistant qualities. In addition there is provided a method of manufacturing such a trimetal roll (18).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile