The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 28, 2005
Filed:
Dec. 13, 2002
Randall David Van Pelt, Salisbury, MO (US);
Charles Grant Carothers, Glasgow, MO (US);
Randall David Van Pelt, Salisbury, MO (US);
Charles Grant Carothers, Glasgow, MO (US);
BHA Group Holdings, Inc., Kansas City, MO (US);
Abstract
A filter cartridge () and method for making a filter cartridge () for removing particulates from a particulate laden fluid stream moving one direction through the filter cartridge. The filter cartridge () is periodically subject to cleaning fluid moving in an opposite direction to the fluid stream. The filter cartridge () comprises filtration media () formed into a tubular configuration and having a plurality of circumferentially spaced apart pleats (). A retention device () to limit radial movement of the filtration media () when subjected to the periodical cleaning fluid and to maintain the pleats () in the filtration media circumferentially spaced apart when exposed up todegrees Celsius. Preferably, the extrudate () is thermoplastic, polyester, elastomeric material and at least one additive may be present. Multiple layers of the extrudate () may be fused together.