Cylindrical filter element

Details Cylindrical filter element Cylindrical filter element

2006-02-07

2006-02-07

Maki, Steven D. (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S083000, C156S294000, C264S343000

Reexamination Certificate

active

06994768

ABSTRACT:
A cylindrical filter element which comprises a folded filter medium, in particular having a pleated configuration, which is annularly secured to a hollow cylinder, two expanded film axial end plates, and a support tube which is integrated into the cylindrical filter element and upon which the folded filter medium may be affixed. The support tube has an annular components adjacent respective axial end plates which has an interlocking fit with the film end plates and which may be connected to a sealing element.

REFERENCES:
patent: 5413712 (1995-05-01), Gewiss et al.
patent: 5547480 (1996-08-01), Coulonvaux
patent: 5736040 (1998-04-01), Duerrstein et al.
patent: 2429474 (1975-11-01), None
patent: 19829989 (2000-01-01), None
patent: 19930614 (2001-01-01), None
patent: 1092461 (2001-04-01), None
patent: 1-171607 (1989-07-01), None
patent: WO 97/37743 (1997-10-01), None
patent: WO 00/01464 (2000-01-01), None
patent: 01/02079 (2001-01-01), None

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