Title:
ELONGATED FILTER SYSTEM, FILTER ELEMENT THEREFOR AND METHODS OF MAKING SAME
Document Type and Number:
WIPO Patent Application WO1997026969
Kind Code:
A3
Abstract:
An elongated filter system is provided which comprises an elongated filter alignment means (11), a filter attachment means (16) and an elongated filter (90). The elongated filter attachment means (16) is removably attached to the filter alignment means (11). The elongated filter alignment means has a means (102) on one end to secure the elongated filter (90) thereupon in fluid communication with a fluid passageway (22) disposed in the filter attachment means (16). The means for attaching the elongated filter (90) comprises a yoke (102) having an outer peripheral area (103) in sealing engagement with the filter (90). The elongated filter alignment means (11) may comprise a central rod (12) attached to a central opening (17) in the filter attachment means (16) and may further have an elongated apertured center tube assembly (30) disposed upon the rod (12). The elongated apertured center tube (30) may be comprised of at least two interlocking tube sections (38) and may further have multiple interlocking tube sections joined in an end-to-end relationship by connecting members (56) each having a central opening (68) in a central hub (66) with the central openings being aligned with the central rod (12). The space formed between the flanges of respective top and bottom rings (93', 96') that are disposed at ends of said elongated filter (90) may be partially filled with an elastomeric material (109). 00000
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Inventors:
BELDEN DONALD E
Application Number:
PCT/US1997/001427
Publication Date:
September 18, 1997
Filing Date:
January 23, 1997
Export Citation:
Assignee:
FACET INTERNATIONAL INC (US)
International Classes:
B01D29/07; B01D27/06; B01D27/08; B01D29/11; B01D29/15; B01D29/21; B01D35/30; B01D35/31; (IPC1-7): B01D/
Foreign References:
| US4061576A | 1977-12-06 | |||
| US5141637A | 1992-08-25 | |||
| US2732031A | 1956-01-24 | |||
| GB893085A | 1962-04-04 | |||
| US3494114A | 1970-02-10 | |||
| US3239062A | 1966-03-08 |
Other References:
See also references of EP 0956130A4
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