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:
Mar. 10, 2009
Filed:
Apr. 01, 2005
Hiroyasu Makino, Toyokawa, JP;
Taketoshi Tomita, Toyokawa, JP;
Takafumi Oba, Toyokawa, JP;
Hiroaki Suzuki, Toyokawa, JP;
Kenji Mizuno, Toyokawa, JP;
Toshiaki Ando, Toyokawa, JP;
Yoshinobu Enomoto, Toyokawa, JP;
Takao Inoue, Toyokawa, JP;
Shizuo Takeda, Toyokawa, JP;
Hiroyasu Makino, Toyokawa, JP;
Taketoshi Tomita, Toyokawa, JP;
Takafumi Oba, Toyokawa, JP;
Hiroaki Suzuki, Toyokawa, JP;
Kenji Mizuno, Toyokawa, JP;
Toshiaki Ando, Toyokawa, JP;
Yoshinobu Enomoto, Toyokawa, JP;
Takao Inoue, Toyokawa, JP;
Shizuo Takeda, Toyokawa, JP;
Sintokogio, Ltd., Aichi, JP;
Abstract
A pouring method and a device in a vacuum sealed process to produce a thin-wall cast by using a mold framing for the a vacuum sealed process, and a as-cast product using the pouring method are provided. The pouring method comprises the steps of: sealingly covering the surface of a pattern plate by a shielding member; placing a mold framing on the shielding member and then putting a fill that does not include any binder in the mold framing; sealingly covering an upper surface of the fill and then evacuating an inside of the mold framing to suck the shielding member to the fill to shape the shielding member; removing the pattern plate from the shielding member, thereby forming a mold half that has a molding surface; forming another mold half in a similar way and mating the mold halves to define a molding cavity; pouring molten metal in the molding cavity; and releasing the negative pressure in the mold framing to take out a as-cast product, and further comprises the step of decompressing the molding cavity before pouring molten metal in the mated mold.