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:
May. 05, 1998
Filed:
May. 30, 1997
Applicant:
Inventors:
Bjorn Ola Pettersson, Huntsville, AL (US);
Patrick W Holmes, Huntsville, AL (US);
Assignee:
TecSyn, Inc., St. Catharines, CA;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B30B / ;
U.S. Cl.
CPC ...
425 78 ; 425130 ; 425348 ; 4254052 ;
Abstract
Apparatus is disclosed for producing composite cylinders having cylinder walls comprised of two adjacent diverse layers of metal material which are bonded together by application of radial forces thereto and then sintered to complete the bonding process. Mechanical locking of the layers is achieved by grain interlocking between the two layers of metal material.