| 摘要 |
PROBLEM TO BE SOLVED: To provide a vacuum suction device which prevents leakage of washing liquid from a clearance in cleaning, and sufficiently removes and cleans contaminants such as grinding chips, falling abrasive grains, etc. residing in a porous body on a placing part. SOLUTION: This suction device 1 is furnished with: the placing part 2 made of the porous body to place a sucked article 5; a supporting part 3 to surround and support an outer edge of the placing part 2; and a suction part 4 formed on the supporting part 3. At least an outer edge side surface of the placing part 2 is previously treated to seal pores on it, and, thereafter, the placing part 2 is connected to the supporting part 3. COPYRIGHT: (C)2005,JPO&NCIPI |
