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公开(公告)号：US5225077A
公开(公告)日：1993-07-06
申请号：US861434
申请日：1992-04-01
Applicant: Stephen D. Feint
Inventor： Stephen D. Feint
CPC classification number: B01D29/21 , B01D36/001 , B01D2201/0407 , B01D2201/34 , Y10T156/1038 , Y10T29/49604
Abstract: A filter cartridge comprising a pleated, cylindrical filter element is provided with an end densification ring to cause the ends of the pleats to pack together more tightly. In this configuration they can be more easily and securely sealed in an end cap closing off an end of the filter cartridge.
Abstract translation: 包括打褶的圆柱形过滤器元件的过滤器滤芯设置有端部致密化环，以使褶皱的端部更紧密地包装在一起。 在这种结构中，它们可以更容易且牢固地密封在封闭滤筒端部的端盖中。
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公开(公告)号：US5130023A
公开(公告)日：1992-07-14
申请号：US332604
申请日：1989-04-03
Applicant: Stephen D. Feint
Inventor： Stephen D. Feint
CPC classification number: B01D29/21 , B01D36/001 , B01D2201/0407 , B01D2201/34
Abstract: A filter cartridge comprising a pleated, cylindrical filter element is provided with an end densification ring to cause the ends of the pleats to pack together more tightly. In this configuration they can be more easily and securely sealed in an end cap closing off an end of the filter cartridge.
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