Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Reexamination Certificate
2006-05-09
2006-05-09
El-Arini, Zeinab (Department: 1746)
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
C134S005000, C134S019000, C134S042000
Reexamination Certificate
active
07040327
ABSTRACT:
There is disclosed a die cleaning method for removing a forming-material from a die used in forming the forming-material containing a binder, comprising the steps of: removing a part or all of the binder contained in the forming-material from the die; and removing the forming-material from the die, whereby the forming-material in the die can be removed without damaging or deforming the die for use in forming the forming-material containing the binder.
REFERENCES:
patent: 3084075 (1963-04-01), Doan et al.
patent: A 63-282305 (1988-11-01), None
patent: A 3-19906 (1991-01-01), None
patent: 06322162 (1994-11-01), None
patent: A 8-27615 (1996-01-01), None
patent: WO 00/68159 (2000-11-01), None
Kaneko Takahisa
Nate Masayuki
Wada Yukihisa
El-Arini Zeinab
NGK Insulators, LTD
Oliff & Berridg,e PLC
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