Production method of air filter filtering medium, air filter filtering medium, filter pack, and air filter unit

JP2025035415AActive Publication Date: 2025-03-13DAIKIN INDUSTRIES LTD
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Patent Information

Application Number
JP2023142439
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-09-01
Publication Date
2025-03-13
Estimated Expiration
2043-09-01

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Abstract

To provide a production method of an air filter filtering medium which can inhibit deterioration of a function during joint, and to provide an air filter filtering medium, a filter pack, and an air filter unit.SOLUTION: A production method of an air filter filtering medium includes: a first step in which a porous membrane and an aeration membrane are prepared; and a second step in which the porous membrane and the aeration membrane are adhered to each other by using a hot melt adhesive in a melting state. In the second step, a temperature of the aeration membrane is lower than a temperature of the hot melt adhesive in the melting state.SELECTED DRAWING: Figure 6
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Citation Information

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