Title:
MOLD PRODUCTION APPARATUS AND METHOD
Document Type and Number:
WIPO Patent Application WO/2006/054346
Kind Code:
A1
Abstract:
A mold production apparatus and method capable of producing a mold of intricate shape with stabilized quality. In the production method, an apparatus comprising a mold having a cavity internally, a steam supply unit, a steam suction passage to the cavity, a plurality of steam discharge passages, a means arranged in the steam discharge passages and regulating the steam flow discharged from the cavity, and a means for controlling the flow regulation means is used. The cavity of a heated mold is filled with resin-coated sand produced by coating refractory aggregate with a binder resin and then supplied with overheated steam. The flow regulation means is controlled by the control means such that the cavity is filled with overheated steam uniformly.
Inventors:
Ide, Isamu c/o Lignyte Co. (Ltd. 5 Chikkou-shinmachi 2-cho, Sakai-sh, Osaka 31, 59283, JP)
Seki, Toru c/o Lignyte Co. (Ltd. 5 Chikkou-shinmachi 2-cho, Sakai-sh, Osaka 31, 59283, JP)
Maeda, Sadao c/o Maeda Shell Service Co. (Ltd. 76-4 Aza-Kanayama, Ikegane-ch, Okazaki-shi Aichi 95, 44435, JP)
Nishiyama, Keizo c/o Maeda Shell Service Co. (Ltd. 76-4 Aza-Kanayama, Ikegane-ch, Okazaki-shi Aichi 95, 44435, JP)
Seki, Toru c/o Lignyte Co. (Ltd. 5 Chikkou-shinmachi 2-cho, Sakai-sh, Osaka 31, 59283, JP)
Maeda, Sadao c/o Maeda Shell Service Co. (Ltd. 76-4 Aza-Kanayama, Ikegane-ch, Okazaki-shi Aichi 95, 44435, JP)
Nishiyama, Keizo c/o Maeda Shell Service Co. (Ltd. 76-4 Aza-Kanayama, Ikegane-ch, Okazaki-shi Aichi 95, 44435, JP)
Application Number:
PCT/JP2004/017175
Publication Date:
May 26, 2006
Filing Date:
November 18, 2004
Export Citation:
Assignee:
LIGNYTE CO., LTD. (5 Chikkou-shinmachi 2-cho, Sakai-shi Osaka, 31, 59283, JP)
MAEDA SHELL SERVICE CO., LTD. (76-4, Aza-Kanayama Ikegane-cho, Okazaki-sh, Aichi 95, 44435, JP)
Ide, Isamu c/o Lignyte Co. (Ltd. 5 Chikkou-shinmachi 2-cho, Sakai-sh, Osaka 31, 59283, JP)
Seki, Toru c/o Lignyte Co. (Ltd. 5 Chikkou-shinmachi 2-cho, Sakai-sh, Osaka 31, 59283, JP)
Maeda, Sadao c/o Maeda Shell Service Co. (Ltd. 76-4 Aza-Kanayama, Ikegane-ch, Okazaki-shi Aichi 95, 44435, JP)
Nishiyama, Keizo c/o Maeda Shell Service Co. (Ltd. 76-4 Aza-Kanayama, Ikegane-ch, Okazaki-shi Aichi 95, 44435, JP)
MAEDA SHELL SERVICE CO., LTD. (76-4, Aza-Kanayama Ikegane-cho, Okazaki-sh, Aichi 95, 44435, JP)
Ide, Isamu c/o Lignyte Co. (Ltd. 5 Chikkou-shinmachi 2-cho, Sakai-sh, Osaka 31, 59283, JP)
Seki, Toru c/o Lignyte Co. (Ltd. 5 Chikkou-shinmachi 2-cho, Sakai-sh, Osaka 31, 59283, JP)
Maeda, Sadao c/o Maeda Shell Service Co. (Ltd. 76-4 Aza-Kanayama, Ikegane-ch, Okazaki-shi Aichi 95, 44435, JP)
Nishiyama, Keizo c/o Maeda Shell Service Co. (Ltd. 76-4 Aza-Kanayama, Ikegane-ch, Okazaki-shi Aichi 95, 44435, JP)
International Classes:
B22C9/12; B22C9/00
Attorney, Agent or Firm:
Nishikawa, Yoshikiyo (Hokuto Patent Attorneys Office, Umeda-Daiichiseimei Bldg. 5F 12-17, Umeda
1-chome, Kita-ku, Osaka-sh, Osaka 01, 53000, JP)
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