FILTER CLOTH FOR FILTERING BATHTUB CIRCULATION WATER
PROBLEM TO BE SOLVED: To provide filter cloth hard to clog and enabling to sufficiently utilize it on the point of the strengths by using a hydrophilic material. SOLUTION: The filter cloth 10 has a multilayer structure consisting of nonwoven cloth layers 11, 13 of polybutylene terephthalate and a no...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide filter cloth hard to clog and enabling to sufficiently utilize it on the point of the strengths by using a hydrophilic material. SOLUTION: The filter cloth 10 has a multilayer structure consisting of nonwoven cloth layers 11, 13 of polybutylene terephthalate and a nonwoven cloth layer 12 of polyethylene terephthalate. These nonwoven clothes 11, 13 and 12 have hydrophilic property and are hardly stuck with organic matters and other impurities, thus clogging is hard to occur. The nonwoven cloth layers 11, 13 of polybutylene terephthalate have objective filtering performance, while the nonwoven cloth layer 12 of polyethylene terephthalate has performance of securing the strength of the whole filter, and besides, filtering performance, and both performances are practically useful. |
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