Lip-type shaft seal

Details Lip-type shaft seal Lip-type shaft seal

2006-06-27

2006-06-27

Patel, Vishal (Department: 3673)

Seal for a joint or juncture

Seal between relatively movable parts

Circumferential contact seal for other than piston

C277S562000

Reexamination Certificate

active

07066471

ABSTRACT:
A lip-type shaft seal is made of elastic material with a Shore A hardness of ≦75, includes a radial sealing lip, which has a sealing edge to bear against a rotating component and terminates in a axial sealing lip, which has a sealing edge to rests in installed state against a contact surface. The axial sealing lip extends at an angle of ≧35° in relation to a symmetry axis of the shaft seal, when the axial sealing lip has not been installed yet and is under no tension, and extends from the sealing edge of the radial sealing lip at a length of ≧1.4 mm. When the shaft seal is installed, the axial sealing lip rests against the contact surface at an axial overlap of 0.05 to 0.55 mm.

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patent: 2003/0128703 (2003-07-01), Zhao et al.
patent: 38 43 337 (1989-07-01), None

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