Plain bearing

Details Plain bearing Plain bearing

2007-04-02

2010-02-16

Jackson, Monique R (Department: 1794)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

C428S409000, C428S458000, C384S276000

Reexamination Certificate

active

07662472

ABSTRACT:
An object of the present invention is to provide a plain bearing which can be further improved in bearing capability, in particular, anti-seizure property, initial conformability and cavitation resistance. In the present invention, a sliding layer2is formed on the surface of a bearing alloy layer1formed of a copper-based or aluminum-based alloy, and the sliding layer2comprises a resin binder obtained by applying a strong shearing force to a composition comprising a polybenzimidazole resin as main constituent and at least one member selected from the group consisting of a polyamide-imide resin, a polyamide resin and an epoxy resin, to make the composition into a polymer alloy, and 25 to 75 mass % of a solid lubricant. Owing to such a constitution, toughness and strength are imparted to the sliding layer2and the anti-seizure property, initial conformability and cavitation resistance can also be improved.

REFERENCES:
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patent: 5525246 (1996-06-01), Kamiya et al.
patent: 2003/0134141 (2003-07-01), Okado et al.
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patent: 4083914 (1992-03-01), None
patent: 9079262 (1997-03-01), None
patent: 2001343022 (2001-12-01), None
patent: 2003056566 (2003-02-01), None
patent: 2003056566 (2003-02-01), None
patent: 2004019758 (2004-01-01), None
UK Intellectual Property Office, “Combined Search and Examination Report under Sections 17 and 18(3)”, Jun. 29, 2007.

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