Method of making mold used in slip casting process

Details Method of making mold used in slip casting process Method of making mold used in slip casting process

B - Operations, Transporting

28

B

25/61

B28B 7/34 (2006.01) B28B 1/26 (2006.01) B28B 7/12 (2006.01) B29C 33/40 (2006.01)

Patent

CA 1304919

ABSTRACT A mold for pressure slip casting is made by preparing at least two porous bodies each with a filter layer having channels permitting water and air to flow therethrough. A reinforcing iron frame is placed in one of the porous bodies on a bottom board with a parting agent on its surface. A sealing resin is applied to the surface of the other porous body opposite to a molding surface and to a part of the surface of the bottom board. The space between the porous bodies and the frame is filled with a filler. The first part is turned upside down together with the one porous body and the frame. The other porous body is overlaid on the one porous body with the second reinforcing frame overlaid i on the first reinforcing frame. Adhesive is applied to the sealing resin and the inner side of the second frame after curing of the resin. The space between the overlaid second frame and the other porous body is filled with a filler to prepare a second part of the pressure mold which is parted from the first part after curing of the filler.

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