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:
Jul. 24, 1990
Filed:
Jul. 11, 1989
Applicant:
Inventors:
Byron W Koch, Toledo, OH (US);
Robert I Badenhope, Toledo, OH (US);
Assignee:
Farley, Inc., Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C / ; B22C / ;
U.S. Cl.
CPC ...
164369 ;
Abstract
The hollow frusto-conical expendable core is used for forming a jacket around a cylinder in a casting die for forming a cylinder block. The core has a printout portion comprising an inwardly extending annular flange connected to the narrower end of the frusto-cone by circumferentially spaced axially extending legs. The core may comprise a plurality of frusto-cones for a corresponding plurality of cylinders in an engine block with their axes parallel in a common plane with the annular flanges of their printout portions integrally connected for strengthening the multi-cylinder jacket core.