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:
Jun. 05, 2001
Filed:
Dec. 29, 1998
Applicant:
Inventors:
Assignee:
Hayes Lemmerz International, Inc., Northville, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 6/510 ;
U.S. Cl.
CPC ...
F16D 6/510 ;
Abstract
A composite brake drum for a motor vehicle or the like. The brake drum has a drum body that is comprised of a first material, preferably a cast metal, such as gray iron. The drum body has a cylindrical section, a shoulder, and a mounting face. The brake drum also includes an annular band formed from a second material, preferably a stamped metal such as steel. The annular band encircles the cylindrical section of the drum body. The steel annular band is positioned in a mold apparatus and molten iron is introduced into a mold cavity defined thereby. The mold and annular band are maintained in a static condition during the casting process.