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US 4,713,206 AGranted
Process for dewaxing ceramic molded bodies
AssigneeNGK Insulators, Ltd.
InventorsTadaaki Matsuhisa, Shingo Sasaki
Life of this patent
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Abstract
A process for dewaxing a ceramic molded body is disclosed, the process includes heating an injection molded body made from ceramic material and a wax-series binder, said heating occurring upon a porous ceramic body.
Claims12
A process for dewaxing a ceramic molded body comprising:
- forming an injection molded ceramic body, said ceramic body containing a wax-series binder;
- placing said molded body upon a honeycomb ceramic body;
- and
- heating said molded ceramic body to remove said wax-series binder therefrom.
1 more element
A process for dewaxing a ceramic molded body comprising:
- forming an injection molded ceramic body, said ceramic body containing a wax-series binder;
- placing said molded body upon a honeycomb ceramic body, said honeycomb ceramic body contacting a bottom face of said molded body;
- and
- heating said molded body in a hot air circulating-type electric furnace to remove said wax-series binder therefrom.
1 more element
A process for dewaxing a ceramic molded body comprising:
- forming an injection molded ceramic body, said ceramic body containing an exuder binder selected from the group consisting of paraffin waxes and microcrystalline waxes;
- placing said molded body upon a ceramic honeycomb body, a bottom surface of said molded body contacting with a machined top portion of said honeycomb ceramic body such that the bottom portion of said molded body matches with the machined top portion of said honeycomb ceramic body;
- and
- heating said molded ceramic body in a hot air circulating-type electric furnace to dewax said ceramic molded body, said dewaxing being effected at a temperature within a range of -10.degree. C. to +50.degree. C. of the melting point of the wax-series binder until a wax exuding phenomenon does not occur.
1 more element
Dependencies are inferred from the claim text.