| 摘要 |
The molding material or molding part for foundry purposes, comprising 1-10% of binding agent based on alkali silicate, an aggregate containing 1-10 percent by weight of amorphous silicon dioxide, remainder quartz sand with a grain size range of 0.01 to 5 mm, and to a process of producing a molding material and molding parts. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. PRG 1.72(b). As stated in 37 C.F.R. PRG 1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading "Abstract of the Disclosure." The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure.; The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.
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