Elongated filter system, filter element therefor and methods of making same

摘要

A method of making an elongated filter system including the steps of forming an elongated alignment rod, an attachment device, a tubular filter element and a yoke, followed by the steps of attaching the elongated alignment rod to the attachment device and positioning the tubular filter element, upon and about the elongated alignment rod then securing the yoke so that an outer peripheral area of the yoke is in sealing engagement with the tubular filter element.