| 摘要 |
PROBLEM TO BE SOLVED: To provide a filter frame excellent in working efficiency in arrangement of the filter frame to a filter casing or in replacement of the filter frame, relating to a filter frame which can house a filter element.SOLUTION: A resin male die filter frame which can form a filter frame connected body by connecting it to an adjacent female die filter frame is provided. The male die filter frame has a projection on a frame piece opposed to the female die filter frame, and the female die filter frame has a rail-like groove extending to the depth direction of the female die filter frame on a frame piece opposed to the male die filter frame. The male die filter frame can be connected to the female die filter frame by fitting-in of the projection and the rail-like groove. The female die filter frame has a rail-like groove extending to the depth direction of the female die filter frame on a frame piece opposed to the male die filter frame, and can be connected to the male die filter frame by fitting-in of the rail-like groove and the projection. |
