Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1993-11-08
1996-10-22
Cummings, Scott W.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277186, 123 4149, 494901, F16J 1502, F01P 506
Patent
active
055669549
ABSTRACT:
An air flow directing seal with integrally formed attachment member for attaching a seal to an automotive fan shroud is disclosed. The seal further includes an integrally formed flag portion which directs the flow of air from the radiator to the fan shroud. The attachment member includes a semi-rigid C-shaped channel that is made of a talc filled polypropylene material and further includes flexible resilient teeth integral with the inside surfaces of the C-shaped channel which aid in gripping the seal to a linear edge of the automotive fan shroud. The seal is made by a dual extrusion process whereby two types of thermoplastic materials are utilized having various physical properties in accordance with the desired specification. The flexible resilient teeth and the flag are made of the same thermoplastic rubber and the C-shaped channel is made of polypropylene during the same extrusion process. Thus, the teeth and the flag extend the entire length of the seal. The seal may be easily snapped to the shroud wherein the resilient teeth firmly grips the shroud which causes the seal to be secured to the shroud.
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Cummings Scott W.
Hahn Elastomer Corporation
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