Patent US4703076A successfully refreshed from Google Patents.
US4703076A
Expired / Lapsed
US
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Composition for sliding member
Assignee: Daido Metal Co Ltd
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Filing: 1986-05-05
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Granted: 1987-10-27
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Expires: 2006-05-05
Abstract
Abstract A composition for the sliding member consisting of: at least one resin of the amount 0.1 to 50 volume % selected from group (A) consisting of tetrafluoroethylene-perfluoroalkylvinyl ether copolymer resin, tetrafluoroethylene-hexafluoropropylene copolymer resin and fluoroethylene propylene ether resin; at least one resin of the amount 0.1 to 50 volume % selected from group (B) consisting of oxybenzoylpolyester resin, phenylene sulfide polymers resin and thermosetting resins; and the balance substantially tetrafluoroethylene resin, the total amount of the constituents other than the tetrafluoroethylene resin being 0.3 to 70 volume %.
Inventors
- 👤 Sanae Mori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:31
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/18
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
92 words
A composition for a sliding member consisting of: at least one resin in the amount of 0.1 to 50 volume % selected from group (A) consisting of tetrafluoroethylene-perfluoroalkylvinyl ether copolymer resin, tetrafluoroethylene-hexafluoropropylene copolymer resin and fluoroethylene propylene ether resin; at least one resin in the amount of 0.1 to 50 volume % selected from group (B) consisting of axybenzoylpolyester resin, phenylene sulfide resin, polyimide resin, polyamidoimide resin and silicone resin; and the balance substantially tetrafluoroethylene resin, the total amount of said constituents other than said tetrafluoroethylene being 0.3 to 70 volume %.
Claim 2
Dependent Claim
92 words
A composition for a sliding member consisting of: at least one resin in the amount of 0.1 to 50 volume % selected from group (A) consisting of tetrafluoroethylene-perfluoroalkylvinyl ether copolymer resin, tetrafluoroethylene-hexafluoropropylene copolymer resin and fluoroethylene propylene ether resin; at least one resin in the amount of 0.1 to 50 volume % selected from group (B) consisting of axybenzoylpolyester resin, phenylene sulfide resin, polyimide resin, polyamidoimide resin and silicone resin; and the balance substantially tetrafluoroethylene resin, the total amount of said constituents other than said tetrafluoroethylene being 0.3 to 70 volume %.
Claim 3
Dependent Claim
29 words
The composition for the sliding member of claim 1, wherein the amount of said at least one resin selected from the group (A) is 2 to 30 volume %.
Claim 4
Dependent Claim
29 words
The composition for the sliding member of claim 1, wherein the amount of said at least one resin selected from the group (B) is 2 to 30 volume %.
Claim 5
Dependent Claim
130 words
A composition for a sliding member consisting of: at least one resin in the amount of 0.1 to 50 volume % selected from group (A) consisting of tetrafluoroethylene-perfluoroalkylvinyl ether copolymer resin, tetrafluorroethylene-hexafluoropropylene copolymer resin and fluoroethylene propylene ether resin; at least one resin in the amount of 0.1 to 50 volume % selected from group (B) consisting of oxybenzoylpolyester resin, phenylene sulfide resin, polyimide resin, polyamidoimide resin and silicone resin; at least one material in the amount of 0.1 to 50 volume % selected from group (C) consisting of metal lubricant, metal oxide, composite metal oxide, metal sulfide, metal fluoride, carbon base solid lubricant, fibrous material and ceramics; and the balance substantially tetrafluoroethylene, the total amount of said constituents other than said tetrafluoroethylene resin being 0.3 to 70 volume %.
Claim 6
Dependent Claim
130 words
A composition for a sliding member consisting of: at least one resin in the amount of 0.1 to 50 volume % selected from group (A) consisting of tetrafluoroethylene-perfluoroalkylvinyl ether copolymer resin, tetrafluorroethylene-hexafluoropropylene copolymer resin and fluoroethylene propylene ether resin; at least one resin in the amount of 0.1 to 50 volume % selected from group (B) consisting of oxybenzoylpolyester resin, phenylene sulfide resin, polyimide resin, polyamidoimide resin and silicone resin; at least one material in the amount of 0.1 to 50 volume % selected from group (C) consisting of metal lubricant, metal oxide, composite metal oxide, metal sulfide, metal fluoride, carbon base solid lubricant, fibrous material and ceramics; and the balance substantially tetrafluoroethylene, the total amount of said constituents other than said tetrafluoroethylene resin being 0.3 to 70 volume %.
Claim 7
Dependent Claim
29 words
The composition for the sliding member of claim 4, wherein the amount of said at least one resin selected from the group (A) is 2 to 30 volume %.
Claim 8
Dependent Claim
29 words
The composition for the sliding member of claim 4, wherein the amount of said at least one resin selected from the group (B) is 2 to 30 volume %.
Claim 9
Dependent Claim
29 words
The composition for the sliding member of claim 4, wherein the amount of said at least one resin selected from the group (C) is 2 to 30 volume %.
References Cited (Backward Citations)
GB1303483A
Cited
JPS5213530A
Cited
JPS5224253A
Cited
US4477630A
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US4605695A
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EP0124085A2
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US4548986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-10-26 | 1991-04-27 | 1991-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-10-26 | 1995-04-27 | 1995-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-10-26 | 1999-04-27 | 1999-10-27 | $7700.00 | Window Closed / Lapsed |