SEALING STRUCTURE FOR SMALL PRECISION APPARATUS

PROBLEM TO BE SOLVED: To provide a sealing structure for a container which surely compresses a packing for improving a sealing characteristic. SOLUTION: The container 10 is constituted of a lid 20 and a body 30. The lid 20 is provided with: a removable packing 21 made of a soft elastic material with a rectangular cross section; and the first rib 20s for placing and mounting the packing 21 matching the shape of the opening of the body 30. The body 30 is provided with: a bottom face 31; an outside wall 32 surrounding the face 31; and the second rib 30a having a round tip end narrower than the lateral width of the packing 21 provided along the shape of the opening of the body on the inside of the wall 32. The second rib 30a is placed roughly matching the center line in the lateral width of the packing 21 and its tip end compresses the packing 21 in its assembled condition. Draining holes 32b, 32c are provided in the predetermined position of the wall 32 which becomes the lowest when the container 10 is placed. COPYRIGHT: (C)2010,JPO&INPIT