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 8448692 B1

PDF
Full Text
Expired
Date of Patent:
May. 28, 2013

Filed:

Jun. 22, 2012
Applicants:

Dong Ho Chu, Ansan, KR;

Dong-chang Choi, Busan, KR;

Jae-yong Lee, Haman-gun, KR;

Inventors:

Dong Ho Chu, Ansan, KR;

Dong-chang Choi, Busan, KR;

Jae-yong Lee, Haman-gun, KR;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D 25/02 (2006.01); B22C 9/10 (2006.01);
U.S. Cl.
CPC ...
B22C 9/103 (2013.01); B22D 25/02 (2013.01);
Abstract

A mold and method for gravity casting may integrally cast a turbine housing having a twin scroll unit and a bypass unit and an exhaust manifold having a plurality of exhaust runner units. A turbine housing-side riser may be formed based on the end portion of the twin scroll unit within a first mold and a second mold in the state where the cavity of the turbine housing is formed so that the end portion of the twin scroll unit which is the outlet of the turbine housing is upward disposed.


Find Patent Forward Citations

Chu, Dong. (2013). Mold for gravity casting and gravity casting method using the mold (U.S. Patent No. 8448692). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8448692

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