Patent ID: 8343248
Filing Date: 2013-01-01
Classification: B01D

Abstract:
1. A filter unit panel comprising: a plurality of filter units; and an outer frame that surrounds the plurality of filter units, wherein each of the plurality of filter units includes a filter medium and a frame body that supports the filter medium, both of the outer frame and the frame bodies are resin members, the plurality of filter units are integrated into a single unit by welding the adjacent frame bodies, the outer frame and the frame bodies adjacent to the outer frame are integrated with each other by welding, and the outer frame and each of the frame bodies adjacent to the outer frame are welded to each other with a resin that straddles a boundary between upper surfaces and/or lower surfaces of the outer frame and the frame body, the upper surfaces of the outer frame and the frame bodies being located upstream of the filter medium with respect to a flow of air passing through the filter medium and facing an upstream side of the air flow, and the lower surfaces of the outer frame and the frame bodies being located downstream of the filter medium with respect to the flow of the air passing through the filter medium and facing a downstream side of the air flow.