Patent US4056736A successfully refreshed from Google Patents.
Patent EP0183375A2 successfully refreshed from Google Patents.
EP0183375A2
Expired / Lapsed
EP
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Plain bearing
Assignee: AE PLC
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Filing: 1985-10-18
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Granted: —
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Expires: 2005-10-18
Abstract
Abstract A cavitation erosion resistant plain bearing comprising a steel backing, a sintered bronze interlayer and a lining of PTFE filled with 1 to 50% by volume of an ionic fluoride of low aqueous solubility.
Inventors
- 👤 Glyndwr John Davis
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 11:14
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/12; F16C33/20; F16C33/201; C; C08; C08K; C08K3/00; C08K3/16; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/18; F16C2208/00; F16C2208/20; F16C2208/30; F16C2208/32; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/91; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12049; Y10T428/12063; Y10T428/1209; Y10T428/12139
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
21 words
A bearing material including PTFE characterised in that the PTFE is intimately admixed with an ionic flouride of low aqueous solubility.
Claim 2
Dependent Claim
21 words
A bearing material including PTFE characterised in that the PTFE is intimately admixed with an ionic flouride of low aqueous solubility.
Claim 3
Dependent Claim
23 words
A material as claimed in Claim 1 characterised in that the flouride is present in an amount of 1 to 50% by volume.
Claim 4
Dependent Claim
37 words
A material as claimed in Claim 1 or Claim 2 characterised in that the fluoride is present in a finely divided form in the PTFE, the particle size being in the range of 0.01 to 10 microns.
Claim 5
Dependent Claim
23 words
A material as claimed in any preceding claim characterised in that the solubility of the fluoride in water is below 0.05g/100cm at 18°C.
Claim 6
Dependent Claim
22 words
A material as claimed in Claim 4 characterised in that the fluoride is CaF 2 . MgF 2 or SrF 2 .
Claim 7
Dependent Claim
14 words
A material as claimed in any preceding claim characterised by further incorporating metallic lead.
Claim 8
Dependent Claim
35 words
A plain bearing comprising a metal backing, a sinter layer on the backing and a bearing layer on the sinter, characterised in that the bearing layer comprises a material as claimed in any preceding claim.
Claim 9
Dependent Claim
15 words
A bearing as claimed in Claim 7 characteried in that the backing is of steel.
Claim 10
Dependent Claim
19 words
A bearing as claimed in Claim 7 or Claim 8 characterised in that the sinter layer is sintered bronze.
References Cited (Backward Citations)
No citation records indexed.
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