Patent ID: 9403129
Filing Date: 2016-08-02
CPC Classification: B01D

Claim Text:
1. A hollow fiber membrane module, comprising: a plurality of hollow fiber membranes that are arranged in a sheet form; a housing that fixes the hollow fiber membranes and comprises a housing body and a cover; and a pair of fastening members that are configured to fasten a joining portion between the housing body and the cover and extend in a width direction of the hollow fiber membrane module, wherein each of the fastening members comprises a groove extending in a longitudinal direction of the fastening member, where a width of the groove increases toward inside of the groove, each of the housing body and the cover comprises guide portions configured to fit the groove when being covered by the fastening member, the guide portion of the housing body and the guide portion of the cover have different shapes, the groove comprises a flat bottom, a tilt surface, and a stepwise surface, the guide portion of the housing body is configured to contact at least a part of the flat bottom and the stepwise surface of the groove, the guide portion of the cover is configured to contact at least a part of the flat bottom and the tilt surface of the groove, the housing body comprises the cover openably and closeably covers the opening portion of the housing body, the opening portion of the housing body is formed in the longitudinal direction along the housing, and the opening portion of the housing body exposes the entire open end surfaces of at least one side of the plurality of hollow fiber membranes.