| 摘要 |
PCT No. PCT/FI88/00018 Sec. 371 Date Oct. 28, 1988 Sec. 102(e) Date Oct. 28, 1988 PCT Filed Feb. 8, 1988 PCT Pub. No. WO88/06480 PCT Pub. Date Sep. 7, 1988.The invention concerns a filter construction in particular for suction driers. The filter construction comprises a first filter material layer (1) of a ceramic material, which is the first layer in relation to the flowing liquid, and a second filter material layer (2) of a ceramic material, connected with said first layer. The first filter material layer (1) acts as the filtering layer proper, and the second filter material layer (2) acts as a layer that supports the construction. The invention also concerns a method for the formation of the filter construction. |
