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:
Aug. 26, 2014
Filed:
Dec. 09, 2011
Yusei Kusaka, Toyota, JP;
Shoichi Tsuchiya, Toyota, JP;
Makoto Kikuchi, Nagoya, JP;
Hiroyuki Ikuta, Nisshin, JP;
Shigeru Hatakeyama, Nagoya, JP;
Yusei Kusaka, Toyota, JP;
Shoichi Tsuchiya, Toyota, JP;
Makoto Kikuchi, Nagoya, JP;
Hiroyuki Ikuta, Nisshin, JP;
Shigeru Hatakeyama, Nagoya, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-Shi, JP;
Abstract
A vacuum casting apparatus that performs casting through decompression of a cavity includes: an ejector pin for releasing a molding from a mold; a pinhole that is a hole in which the ejector pin is slidably arranged and that has a small diameter portion and a large diameter portion that is more distant from the cavity than the small diameter portion is and is larger in diameter than the small diameter portion; and a hollow portion that is provided under an end portion, on a side where the cavity is present, of the large diameter portion.