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. 11, 1998
Filed:
Jun. 04, 1997
Tsuyoshi Ishikawa, Chuo-ku, JP;
Mitsui Mining Company, Limited, Tokyo, JP;
Abstract
A crushing apparatus for processing of materials in bulk includes a cylindrical separator disposed rotatably in a crushing vessel almost coaxially therewith, wherein the separator partition on interior space of the vessel into an inner and an outer chamber one inside the other about the axis of the vessel. The apparatus also includes a cylindrical agitation unit disposed rotatably in the inner chamber and almost coaxial with the vessel. The separator comprises inner and outer annular rings and a plurality of steel studs in a mutually adjacent arrangement and extending between the inner and outer rings space, thereby defining a plurality of slits or openings therebetween for intercommunication of the inner and outer chambers. The agitation unit has a series of flutes and crowns in alternating orders on the peripheral wall thereof, and each of the flutes has a slit or through-bore intercommunicating the interior and the exterior of the unit. The vessel has an input port for feeding the material in communication with the inner chamber and an output port for discharging the crushed materials out of the outer chamber.