Title:
【発明の名称】エステル硬化フェノールレジン結合鋳物砂の再利用
Document Type and Number:
Japanese Patent JPH08502929
Kind Code:
A
Abstract:
PCT No. PCT/GB93/01792 Sec. 371 Date May 12, 1995 Sec. 102(e) Date May 12, 1995 PCT Filed Aug. 23, 1993 PCT Pub. No. WO94/05448 PCT Pub. Date Mar. 17, 1994This invention relates to a process for reclaiming ester-cured phenolic resin bonded sand. The process comprises contacting attrition reclaimed sand with a compound which converts potassium compounds to a form having a melting point of least 550 DEG C., and then thermally treating the sand at a temperature below that which the resulting potassium compound fuses.
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Inventors:
Busby, Andrew, David
Vernon, Philip
Vernon, Philip
Application Number:
JP50695494A
Publication Date:
April 02, 1996
Filing Date:
August 23, 1993
Export Citation:
Assignee:
Ashland Incorporated
International Classes:
B22C1/02; B22C5/00; B22C1/22; (IPC1-7): B22C1/22; B22C5/00
Attorney, Agent or Firm:
Yoshihiro Tsunoda