B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/99
B01D 46/00 (2006.01) B01D 39/00 (2006.01) B01D 39/16 (2006.01) B01D 46/12 (2006.01) B01D 46/52 (2006.01) F02M 35/00 (2006.01)
Patent
CA 1317239
Abstract of the Disclosure A fluid filter element comprises a first filtering medium and a second filtering medium. The first filtering medium includes a nonwoven batt having a marginal edge portion circumscribing the main body portion of the batt in which the fibers are stiffened to provide a support and sealing structure. The second filtering medium includes a nonwoven batt which has been welded into a convoluted drape and which has a circumferential edge portion which provinces a supported and sealing structure. The circumferential edge portion is sealed to the marginal edge portion when the fluid filter element is assembled.
543437
Rodman Clarke Alden
Thornton Donald Irving
Alliedsignal Inc.
Macrae & Co.
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