1. Hollow fiber membrane unit; 2. Tube for hollow fiber membrane unit

Abstract

Design 1 relates to a hollow fiber membrane unit for filtration, used in sewage disposal plants and water purification plants; design 2 relates to tubes for a hollow fiber membrane unit for filtration, used in sewage disposal plants and water purification plants; the characteristic features of the designs reside in shape and configuration of the articles as shown in the reproductions; reproduction 1.9 is a cross-sectional view taken along the line 1.9-1.9 in reproduction 1.7; reproduction 2.3 is an enlarged cross-sectional view taken along the line 2.3-2.3 in reproduction 2.2; the broken lines shown in reproductions 1.1 to 1.9 are for illustrative purposes only and form no part of the claimed design.

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