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:
Dec. 11, 2018
Filed:
Nov. 10, 2015
Applicant:
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), Hyogo, JP;
Inventor:
Kazuyuki Tsutsumi, Kobe, JP;
Assignee:
Kobe Steel, Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22C 21/14 (2006.01); B22C 7/02 (2006.01); B22C 9/04 (2006.01);
U.S. Cl.
CPC ...
B22C 21/14 (2013.01); B22C 7/02 (2013.01); B22C 9/04 (2013.01); B22C 9/046 (2013.01);
Abstract
The buoyancy transfer jig includes: a rod-shaped rod portion which is disposed extending from an outside of a pattern to an inside of a hollow portion by way of an opening portion which is formed in a foamed mold and makes the outside of the pattern and the hollow portion connected with each other, and is disposed in self hardening sand filled in the hollow portion and the opening portion; and a plate-shaped blade portion which is formed continuously with the rod portion and is disposed in the casting sand.