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. 05, 1991
Filed:
Mar. 20, 1990
Applicant:
Inventors:
Edward J Barnabie, Turnersville, NJ (US);
John D Duke, Jr, Collingdale, PA (US);
Assignee:
Pennsylvania Crusher Corporation, Broomall, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C / ;
U.S. Cl.
CPC ...
241 73 ; 241 884 ; 2411 / ; 241190 ;
Abstract
A reversible hammermill with breaker blocks or plates and one or more adjustable cages equipped with distinct shearing and screening sections, and having a shearing section of greater than normal length having a commencement point above the 3 o'clock position, useful for reducing coal and like materials including sub-bituminous coal to finer particle sizes with minimal horsepower and through-put penalities.