Invention Grant
- Patent Title: Process for producing reclaimed casting sand
- Patent Title (中): 生产再生铸砂的工艺
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Application No.: US12676804Application Date: 2008-09-11
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Publication No.: US08551373B2Publication Date: 2013-10-08
- Inventor: Yoshimitsu Ina
- Applicant: Yoshimitsu Ina
- Applicant Address: JP Tokyo
- Assignee: Kao Corporation
- Current Assignee: Kao Corporation
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2007-236707 20070912; JO2008-31503 20080213
- International Application: PCT/JP2008/066897 WO 20080911
- International Announcement: WO2009/035134 WO 20090319
- Main IPC: B02C1/00
- IPC: B02C1/00
Abstract:
The present invention relates to a process for producing reclaimed casting sand, which has step (I) of grinding recovered sand in the presence of an additive (A) containing a liquid having a surface tension of not higher than 35 mN/m at 25° C. and a boiling point of not lower than 150° C. at 1 atmospheric pressure.
Public/Granted literature
- US20100252951A1 PROCESS FOR PRODUCING RECLAIMED CASTING SAND Public/Granted day:2010-10-07
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