| 摘要 |
A fastener for an outer strap of an air filter cartridge is provided. The outer straps have apertures formed on either end of the strap. An eyelet assembly is secured within one of the apertures. The eyelet assembly includes an eyelet and a backing washer. The eyelet has an annular top placed flush with one side of the strap and a sleeve received within the aperture. The peripheral edge of the sleeve is crimped outwardly to secure the backing washer to the side of the strap opposite the eyelet top. When the strap is secured about a circumference of the cartridge filter, the apertures are aligned and a rivet is placed within the apertures. The rivet has a head and a body. The rivet body pulls the crimped eyelet sleeve and washer toward the rivet head and the ends of the straps are held in firm connection with one another.
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