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:
Apr. 17, 1990
Filed:
Aug. 15, 1988
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C / ; B22C / ;
U.S. Cl.
CPC ...
164369 ; 164370 ; 164397 ;
Abstract
In a casting core for the water jacket of a cylinder block in a multicylinder, reciprocating-piston internal combustion engine, whose cylinders are arranged in line and are cast in one piece linked by cylinder webs, these webs are provided with rectangular plates of a ceramics material--preferably sintered oxide ceramics--, which are used as supports for two core halves, in which they are anchored in such a way as to present a one-piece casting core. The supports are removed during the core cleaning process, leaving passages for the cooling water.
Melde-Tuczai, Helmut. (1990). Casting core for a water jacket (U.S. Patent No. 4917169). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4917169
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