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filtervorrichtung, particularly for high-pressure applications in a polymer melt filtration
filtervorrichtung, particularly for high-pressure applications in a polymer melt filtration
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机译:过滤器,特别是用于聚合物熔体过滤中的高压应用
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摘要
A filter device, in particular, for high-pressure applications in a molten polymer filtration, has a screw-in piece ( 10 ), provided with a first threaded section ( 12 ) for fixing the filter device, and a second threaded section ( 14 ) for fixing a filter medium ( 16 ), in particular, in the form of a metal wool and with a perforated support tube ( 18 ) for the metal wool. The other free end of the filter device is provided with a volume displacer ( 24 ). The metal wool is surrounded by a support grid ( 20 ) and fixed by two fixing pieces ( 28, 30 ), held at a separation from each other by the support grid ( 20 ). One fixing piece ( 28 ) is fixed to the second threaded section ( 14 ) of the screw-in piece ( 10 ). The other fixing piece forms a handle ( 30 ) for the fixing formed. As a result of the volume displacer ( 24 ) being a one-piece component of the support tube ( 18 ) and the fixing piece ( 30 ) forming the handle covering the volume displacer ( 24 ), the filter device is significantly improved in that a simple and rapid assembly procedure for the exchangeable filter medium is provided. Also, the filter element construction is held formed to be free of damaging torsional loads.
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