发明名称 |
POROUS ARTICLE WITH ALL-METAL PART AND METHOD FOR MAKING IT |
摘要 |
FIELD: manufacture of materials for separating different media by filtering, for lowering noise and so on. SUBSTANCE: porous article includes porous working portion and non-detachably joined with it all- metal portion in the form of mounting member. Method for making article comprises steps of charging to casting mold heated blowing agent; pouring into casting mold melt non-ferrous metal at pressure gradient from 2 at and providing crystallization of metal; using metal in quantity providing impregnation of blowing agent layer and formation of all-metal portion of article; using as blowing agent filler consisting non-organic water-soluble salt with particle size 0.01 - 5.0 mm; after solidifying of casting removing blowing agent and mechanically working metallic portion for forming mounting member. EFFECT: simplified design of article with improved operational characteristics. 11 cl, 2 dwg, 1 tbl
|
申请公布号 |
RU2200074(C1) |
申请公布日期 |
2003.03.10 |
申请号 |
RU20010121383 |
申请日期 |
2001.07.30 |
申请人 |
OBSHCHESTVO S OGRANICHENNOJ OTVETSTVENNOST'JU "KOM;OOO KOM |
发明人 |
CHERNYJ L.E.;CHERNYJ M.L.;CHERNYJ N.L. |
分类号 |
B22D25/00;(IPC1-7):B22D25/00 |
主分类号 |
B22D25/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|