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.:

US 9339866 B1

PDF
Full Text
Expired
Date of Patent:
May. 17, 2016

Filed:

Feb. 07, 2013
Applicant:

Sintokogio, Ltd., Nagoya-shi, Aichi, JP;

Inventors:

Shigeyoshi Kato, Toyokawa, JP;

Hisashi Harada, Toyokawa, JP;

Assignee:

SINTOKOGIO, LTD., Nagoya-shi, Aichi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 9/10 (2006.01); B22C 13/16 (2006.01); B22C 15/24 (2006.01); B22C 13/12 (2006.01); B22C 19/04 (2006.01);
U.S. Cl.
CPC ...
B22C 9/10 (2013.01); B22C 13/12 (2013.01); B22C 13/16 (2013.01); B22C 15/24 (2013.01); B22C 19/04 (2013.01);
Abstract

The core sand filling method comprises a step of operating an aeration air supply means, so as to float and fluidize core sand within a sand blow chamber and, when a pressure Pf of the sand blow chamber measured by the first pressure sensor reaches a first pressure, operating a compressed air supply means and a step of stopping the aeration air supply means and compressed air supply means from operating when each of the pressure Pf within the sand blow chamber and a pressure Pc within a sand storage chamber is a second pressure or higher while a differential pressure ΔP=Pc−Pf is a third pressure or lower.


Find Patent Forward Citations

Kato, Shigeyoshi. (2016). Core sand filling method (U.S. Patent No. 9339866). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9339866

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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