专利汇可以提供Forming of uneven pattern专利检索,专利查询,专利分析的服务。并且PURPOSE: To provide a delicate appearance of a precise uneven pattern on a concrete structure, etc. by depositing curing material on the uneven surface of a thermoplastic material where a prearranged precise uneven pattern is formed, and then the thermoplastic material is removed after curing.
CONSTITUTION: The surface of thermoplastic material 1 such as foamed PS, foamed PE, etc. is thermally fused by means of nichrome wire, etc. to form a concave part 2 which is rather shallower than a prearranged depth. Next, a prearranged uneven pattern is engraved employing steel wire brush, etc. Then, it is finished with abrasive paper, etc. to obtain a mold material A with precise uneven pattern. Following this procedure, this mold material Aa is installed inside of proper temporary frame B and curing material 3 such as cement, gypsum, synthetic resin or synthetic rubber is deposited between said temporary frame B and a temporary frame B' on the other side, and then is left for curing. After this step, the temporary frames B, B' and the material Aa are removed.
COPYRIGHT: (C)1981,JPO&Japio,下面是Forming of uneven pattern专利的具体信息内容。
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