发明名称 Process for the impregnation of porous surfaces of workpieces
摘要 In the process for the impregnation of porous surfaces of workpieces by degassing in vacuo, impregnating with impregnant and optionally curing the impregnant, the workpiece surface to be impregnated is covered with a film, the edges of the film are sealed to the surface, and the space between the film and the surface is evacuated. The impregnant is introduced into the evacuated space and cured.
申请公布号 DE3804623(A1) 申请公布日期 1989.08.24
申请号 DE19883804623 申请日期 1988.02.13
申请人 HOECHST AG, 6230 FRANKFURT, DE 发明人 STITZ, OLAF, DIPL.-ING., 6230 FRANKFURT, DE
分类号 B29C44/56 主分类号 B29C44/56
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