US5364682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite sliding member with impregnated mesh layer
Assignee: Daido Metal Co Ltd
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Filing: 1993-01-15
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Granted: 1994-11-15
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Expires: 2013-01-15
Abstract
Abstract A composite sliding member includes a metal wire mesh or expanded metal impregnated and covered with a composition of 0.1-50% by volume of one or more of PFA, FEP and EPE, and 0.1-50% by volume of at least one of oxybenzoyl polyester, polyphenylene sulfide, thermosetting resin, metal lubricant, metal oxide, composite metal oxide, metal sulfide, metal fluoride, carbon-based self lubricant, fiber material, and ceramics, with the remainder being substantially PTFE.
Inventors
- 👤 Tadashi Tanaka
- 👤 Hidehiko Tamura
- 👤 Nobutaka Hiramatsu
- 👤 Takuya Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:29
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/201; C; C10; C10M; C10M169/00; C10M169/04; F16C33/28; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/908; Y10S384/912; Y10S384/913; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12035; Y10T428/12042; Y10T428/12049; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12139; Y10T428/12361; Y10T428/24; Y10T428/24273; Y10T428/24298; Y10T428/24306; Y10T428/24322; Y10T428/24331; Y10T428/24355; Y10T428/25; Y10T428/252; Y10T428/254; Y10T428/256; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/109; Y10T442/131
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
117 words
A composite sliding member, comprising a base composed of a metal wire mesh or expanded metal having a void portion and surface covered and impregnated with a lubricating composition comprising 0.1-50% by volume of at least one kind of resin selected from a group (A) consisting of tetrafluoroethylene-perfluoroalkylvinylether copolymer resin, tetrafluoroethylene-hexafluoropropylene copolymer resin, and fluoroethylene-propyleneether resin, 0.1-50% by volume of at least one kind selected from a group (B) consisting of oxybenzoyl polyester, polyphenylene sulfide, thermosetting resin, metal lubricant, metal oxide, composite metal oxide, metal sulfide, metal fluoride, carbon-based self lubricant, fiber material and ceramics, and the remaining of substantially tetrafluoroethylene resin, wherein the total of the components other than the tetrafluoroethylene resin is 0.2-70% by volume.
Claim 2
Dependent Claim
117 words
A composite sliding member, comprising a base composed of a metal wire mesh or expanded metal having a void portion and surface covered and impregnated with a lubricating composition comprising 0.1-50% by volume of at least one kind of resin selected from a group (A) consisting of tetrafluoroethylene-perfluoroalkylvinylether copolymer resin, tetrafluoroethylene-hexafluoropropylene copolymer resin, and fluoroethylene-propyleneether resin, 0.1-50% by volume of at least one kind selected from a group (B) consisting of oxybenzoyl polyester, polyphenylene sulfide, thermosetting resin, metal lubricant, metal oxide, composite metal oxide, metal sulfide, metal fluoride, carbon-based self lubricant, fiber material and ceramics, and the remaining of substantially tetrafluoroethylene resin, wherein the total of the components other than the tetrafluoroethylene resin is 0.2-70% by volume.
Claim 3
Dependent Claim
25 words
A composite sliding member according to claim 1, wherein an amount to be used of the components of the group (A) is 2-30% by volume.
Claim 4
Dependent Claim
25 words
A composite sliding member according to claim 1, wherein an amount to be used of the components of the group (B) is 2-30% by volume.
Claim 5
Dependent Claim
117 words
A composite sliding member, comprising a base composed of a metal wire mesh or expanded metal mesh coated and impregnated with a lubricating composition consisting essentially of 2-30% by volume of a first component (A) consisting of a member selected from the group consisting of tetrafluoroethylene-perfluoroalkylvinylether copolymer resin, tetrafluoroethylene-hexafluoropropylene copolymer resin, fluoroethylene-propylene ether resin, and mixtures thereof, 2-30% by volume of a second component (B) selected from the group consisting of oxybenzoyl polyester, polyphenylene sulfide, thermosetting resin, metal lubricant, metal oxide, composite metal oxide, metal sulfide, metal fluoride, carbon-based self lubricant, fiber material and ceramics, and the remainder being tetrafluoroethylene resin, said tetrafluoroethylene resin and said component (A) being sintered together to form a mutual solution thereof.
Claim 6
Dependent Claim
117 words
A composite sliding member, comprising a base composed of a metal wire mesh or expanded metal mesh coated and impregnated with a lubricating composition consisting essentially of 2-30% by volume of a first component (A) consisting of a member selected from the group consisting of tetrafluoroethylene-perfluoroalkylvinylether copolymer resin, tetrafluoroethylene-hexafluoropropylene copolymer resin, fluoroethylene-propylene ether resin, and mixtures thereof, 2-30% by volume of a second component (B) selected from the group consisting of oxybenzoyl polyester, polyphenylene sulfide, thermosetting resin, metal lubricant, metal oxide, composite metal oxide, metal sulfide, metal fluoride, carbon-based self lubricant, fiber material and ceramics, and the remainder being tetrafluoroethylene resin, said tetrafluoroethylene resin and said component (A) being sintered together to form a mutual solution thereof.
Claim 7
Dependent Claim
99 words
A composite sliding member, comprising a base composed of a metal wire mesh or expanded metal mesh coated and impregnated with a lubricating composition consisting essentially of 2-30% by volume of a first component (A) consisting of a member selected from the group consisting of tetrafluoroethylene-perfluoroalkylvinylether copolymer resin, tetrafluoroethylene-hexafluoropropylene copolymer resin, fluoroethylene-propylene ether resin, and mixtures thereof, 2-30% by volume of a second component (B) selected from the group consisting of oxybenzoyl polyester, polyphenylene sulfide, thermosetting resin, metal oxide, composite metal oxide, metal sulfide, metal fluoride, carbon-based self lubricant, fiber material and ceramics, and the remainder being tetrafluoroethylene resin.
Claim 8
Dependent Claim
99 words
A composite sliding member, comprising a base composed of a metal wire mesh or expanded metal mesh coated and impregnated with a lubricating composition consisting essentially of 2-30% by volume of a first component (A) consisting of a member selected from the group consisting of tetrafluoroethylene-perfluoroalkylvinylether copolymer resin, tetrafluoroethylene-hexafluoropropylene copolymer resin, fluoroethylene-propylene ether resin, and mixtures thereof, 2-30% by volume of a second component (B) selected from the group consisting of oxybenzoyl polyester, polyphenylene sulfide, thermosetting resin, metal oxide, composite metal oxide, metal sulfide, metal fluoride, carbon-based self lubricant, fiber material and ceramics, and the remainder being tetrafluoroethylene resin.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-11-14 | 1998-05-16 | 1998-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-11-14 | 2002-05-16 | 2002-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-11-14 | 2006-05-16 | 2006-11-15 | $7700.00 | Window Closed / Lapsed |