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:
Nov. 30, 2004
Filed:
May. 04, 2001
Ian Robinson, Pen Argyl, PA (US);
Foster Wheeler Energy Corporation, Clinton, NJ (US);
Abstract
A roller mill includes a base, a pulverizing table having a substantially horizontal upper surface, supported against the base and arranged to rotate around a vertical axis intersecting the upper surface in a center point thereof, an annular groove, formed on the upper surface of the pulverizing table, adjacent to an outer periphery of the table, at least one roller shaft mounted pivotally on the base in proximity to the table, at an angle &agr; with respect to a horizontal direction, toward the center point and having an end portion located above the table, a pulverizing roller supported rotatably against the end portion of the at least one roller shaft and a device for pressing the pulverizing roller toward the annular groove. An outer peripheral surface of the pulverizing roller has a smooth, generally arcuate cross section with at least one substantially flat section in the central portion thereof.