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. 11, 2006
Filed:
Oct. 10, 2003
Takeshi Nagasaka, Kariya, JP;
Tomoyuki Hatano, Nagoya, JP;
Hiromi Takagi, Nagoya, JP;
Ikuo Ozawa, Toyoake, JP;
Yasushi Hibi, Kariya, JP;
Minoru Furuhata, Osaka, JP;
Koji Tsuboe, Osaka, JP;
Isao Uenaka, Osaka, JP;
Takeshi Nagasaka, Kariya, JP;
Tomoyuki Hatano, Nagoya, JP;
Hiromi Takagi, Nagoya, JP;
Ikuo Ozawa, Toyoake, JP;
Yasushi Hibi, Kariya, JP;
Minoru Furuhata, Osaka, JP;
Koji Tsuboe, Osaka, JP;
Isao Uenaka, Osaka, JP;
DENSO Corporation, Kariya, JP;
Abstract
A casting method and casting mold able produce a casting having an island and connecting portion is disclosed. A casting having a body, an opening provided so as to pass through the body, an island arranged separated from the body in the opening, and a connecting portion joining the island and body is cast using a casting mold. The casting mold is provided with a body gate connected to a body cavity for forming the body and an opening gate connected to an island/connecting portion cavity for forming the island and the connecting portion. The body gate and opening gate are connected to a runner through body pin gates and opening pin gates; in addition, a die casting mold able to suitably change between a three-part mold structure and a two-part mold structure to cast a die casting is disclosed. The three-part mold structure die casting mold, a movable mold, a first cavity, a connection sleeve, a first runner, a pin gate, and an extension sleeve. When forming the two-part mold structure die casting mold, the fixed mold is removed, the extension sleeve insert inserted in the extension sleeve is removed, and the pin gate is filled by a pin gate insert. Further, the intermediate mold insert and the movable mold insert are replaced to form the two-part mold structure die casting mold forming the second cavity and second runner moving the movable mold with respect to the intermediate mold.