US4148966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyarylene sulphide coated backing
Assignee: Federal Mogul Engineering Ltd
•
Filing: 1975-03-11
•
Granted: 1979-04-10
•
Expires: 1995-03-11
Abstract
Abstract This invention is for providing a bearing lining on a backing, for example of aluminium, and uses polyphenylene sulphide which has good bearing properties, in combination with calcium hydroxide or another metallic base to effect a good bond between the lining and the backing.
Inventors
- 👤 Glyndwr J. Davies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:16
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/201; C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/24; C08K3/26; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31533; Y10T428/31678
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
40 words
A coated backing in which the backing is aluminum or aluminum alloy and in which the coating is a heat-treated polyarylene sulphide resin incorporating between 1-3% by weight sodium carbonate for establishing a bond between said backing and said coating.
Claim 2
Dependent Claim
40 words
A coated backing in which the backing is aluminum or aluminum alloy and in which the coating is a heat-treated polyarylene sulphide resin incorporating between 1-3% by weight sodium carbonate for establishing a bond between said backing and said coating.
Claim 3
Dependent Claim
42 words
A coated backing in which the backing is aluminum or aluminum alloy and in which the coating is a heat-treated polyarylene sulphide resin incorporating between 0.1 and 5.0% by weight lithium hydroxide, for establishing a bond between said backing and said coating.
Claim 4
Dependent Claim
42 words
A coated backing in which the backing is aluminum or aluminum alloy and in which the coating is a heat-treated polyarylene sulphide resin incorporating between 0.1 and 5.0% by weight lithium hydroxide, for establishing a bond between said backing and said coating.
Claim 5
Dependent Claim
40 words
A coated backing in which the backing is aluminum or aluminum alloy and in which the coating is a heat-treated polyarylene sulphide resin incorporating between 0.1 and 5.0% calcium hydroxide for establishing a bond between said backing and said coating.
Claim 6
Dependent Claim
40 words
A coated backing in which the backing is aluminum or aluminum alloy and in which the coating is a heat-treated polyarylene sulphide resin incorporating between 0.1 and 5.0% calcium hydroxide for establishing a bond between said backing and said coating.
References Cited (Backward Citations)
US3492125A
Cited
US3451873A
Cited
US3622376A
Cited
FR2038332A1
Cited
US3647500A
Cited
US3616186A
Cited
US3776880A
Cited
US3728313A
Cited
US3894983A
Cited
US3853824A
Cited
US3930078A
Cited
US3931419A
Cited
US4086376A
Cited
US3954932A
Cited
US4011121A
Cited
US4075388A
Cited
US4017450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-09 | 1982-10-09 | 1983-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-09 | 1986-10-09 | 1987-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-09 | 1990-10-09 | 1991-04-10 | $7700.00 | Window Closed / Lapsed |