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:
Oct. 11, 2011
Filed:
Jun. 02, 2006
Applicant:
Minoru Hirata, Toyokawa, JP;
Inventor:
Minoru Hirata, Toyokawa, JP;
Assignee:
Sintokogio, Ltd., Aichi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A flask unit for producing a cope and a drag that are stacked, comprising at least two uprightly disposed connecting rods (), a cope flask slidably fitted on the connecting rods and formed with a molding sand blowing-in port in one of its sides, and a drag flask slidably fitted on the connecting rods so that it is located under the cope flask to mate it, the drag flask being formed with a molding sand blowing-in port in one of the sides thereof.