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The filter cartridge and the production method of adopting the ended cap and the said ended cap of the length adjustment possible filter cartridge
The filter cartridge and the production method of adopting the ended cap and the said ended cap of the length adjustment possible filter cartridge
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机译:滤筒以及采用长度可调节滤筒的端盖和所述端盖的制造方法
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摘要
A filter cartridge comprises a length-adjustable end cap attached to an end of a filter body. The end cap includes an annular seal, a spacer coaxially positioned in spaced relationship with the seal, and a connection member including a cylindrical neck in moveable sealing contact within the seal and in a snug sliding fit within the spacer and an imperforate flange including a seal on a radial outer region thereof. A method of joining an end cap to an end of a generally cylindrical filtration medium comprises positioning an annular spacer ring in a recess of a connection flange of an end cap; melting an exposed portion of the connection flange; contacting the melted exposed portion of the flange and an end of a filter body; and allowing the melted exposed portion to cool and bond the filter body to the end cap.
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