| 摘要 |
A small micron filter unit comprising a main body connector unit, a single structure filter element, and an adapter unit for complementary engagement with the connector and for receiving and holding the single filter element. Preferably, the adapter unit is of soft material, such as flexible PVC, which allows the adapter unit to expand and receive a ring with ridge of the single filter element within a recess thereof. The ridge on the external circumference of the filter element ring forms a resilient indent in the flexible PVC material of the adapter. The compressive force exerted by the adapter around the filter ring functions to securely retain it in place and also forms a fluid and air axial seal. After assembly of the adapter unit within the connector body unit, an overall leakproof component filter device is formed. For further assurance of leakproofness, a plastic solvent such as THF can be applied between the adapter and connector units externally at the junction thereof for forming a permanently bonded component filter device.
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