Filter cartridge and method for its manufacture

Details Filter cartridge and method for its manufacture Filter cartridge and method for its manufacture

1998-08-25

1999-09-21

Woo, Jay H.

Gas separation

Combined or convertible

In motor vehicle

55497, 55502, 55511, 55521, 55529, B01D 4652

Patent

active

059548487

ABSTRACT:
A filter cartridge having pleated filter material, the ends of which are joined together to form a conical tube. At least one band is bonded to the pleated filter material and extends at least partially around the circumference of the material in the area of each of its end sides. The band may be bonded to crease points of the filter material. A method of manufacturing the filter cartridge includes providing the initially strip-shaped, planar filter material with pleats. The pleated strip-shaped filter material is laid out forming an unwound cone-shaped shell. A band is placed onto the crease points of one side and is bonded to the crease points. Subsequently, the filter material is bent to form a conical tube, and the tube is closed upon itself by joining the two ends together.

REFERENCES:
patent: 4746432 (1988-05-01), Taki et al.
patent: 5128039 (1992-07-01), Gabrielson
patent: 5522909 (1996-06-01), Haggard
patent: 5632793 (1997-05-01), Haggard
patent: 5792228 (1998-08-01), Fath et al.
patent: 5814117 (1998-09-01), Mochida

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