Circumferentially pleated filter assembly and method of...

Details Circumferentially pleated filter assembly and method of... Circumferentially pleated filter assembly and method of...

2011-04-12

2011-04-12

Menon, Krishnan S (Department: 1772)

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

C210S493200, C210S493300, C210S493400, C210S493500, C210S342000, C210S338000, C056S380000, C056S500000

Reexamination Certificate

active

07922006

ABSTRACT:
A filter assembly is provided which includes an outer filter sleeve formed at least in part by a plurality of pleats, an inner filter sleeve formed at least in part by a plurality of pleats, wherein the inner and outer filter sleeves define a passage therebetween. An inlet cap is secured to a first end of the inner and outer filter sleeves and it has at least one inlet port communicating with the passage, and an end cap is secured to a second end of the inner and outer filter sleeves and it has an end surface closing the passage. Methods of forming such a filter assembly are also provided.

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