Patent ID: 7883747
Filing Date: 2011-02-08
Classification: B28B,C04B

Abstract:
1. A method for manufacturing sharp spine-shaped projections on ceramic comprising elutriating, kneading, forming a ceramic and decorating the ceramic, wherein the decorating step includes: forming projections by applying a first soil water on the outside of the half-dried ceramic using a rough brush and forming a plurality of projection roots; and growing projections by applying a second soil water on a plurality of the projection roots fifty to one hundred times using the brush and letting the projections dry at 15˜20° C., and 60˜70% of relative humidity for 15˜25 minutes in the shade each time after the application; wherein the first soil water comprises 79˜84.9% porcelain soil, 15˜20% water and 0.1˜1% sodium silicate, and the second soil water comprises 69˜79.9% porcelain soil, 20˜30% water and 0.1˜1% sodium silicate.