FILTER FRAME AND FILTER UNIT
PROBLEM TO BE SOLVED: To provide a filter frame and filter unit which can prevent insects from entering into a filtered fluid.SOLUTION: A filter frame is formed in a mode where a textile fabric and/or a knit fabric cover at least one opening in a frame, whereby an object to be filtered is allowed to...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a filter frame and filter unit which can prevent insects from entering into a filtered fluid.SOLUTION: A filter frame is formed in a mode where a textile fabric and/or a knit fabric cover at least one opening in a frame, whereby an object to be filtered is allowed to pass through the textile fabric and/or the knit fabric. The textile fabric and/or the knit fabric have an average opening diameter of more than 0 μm and equal to or less than 350 μm, whereby insects existing in the object to be filtered can be caught by the textile fabric and/or the knit fabric to prevent the insects from entering into a filtered fluid. |
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