US5128213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding material of single substance and composite sliding material
Assignee: Daido Metal Co Ltd
•
Filing: 1991-09-20
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Granted: 1992-07-07
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Expires: 2011-09-20
Abstract
Abstract A sliding material of a single substance made by extruding powder comprises aluminum as a main constituent, and at least one metal compound of 0.5 to 30 wt. % in total selected from the group consisting of metal nitride, metal carbide, metal phosphide, and metal boride, each of which has a hardness not less than 200 in Vicker's hardness, the metal compound being uniformly and finely dispersed in aluminum.
Inventors
- 👤 Tadashi Tanaka
- 👤 Masaaki Sakamoto
- 👤 Koichi Yamamoto
- 👤 Yoshiaki Sato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:43
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; C; C22; C22C; C22C21/00; C22C21/003; B; B22; B22F; B22F3/00; B22F3/20; C22C32/00; C22C32/001; C22C32/0015; C22C32/0036; C22C32/0084; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12049; Y10T428/12056; Y10T428/12063
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
69 words
A sliding material of a single substance made by extruding powder, comprising aluminum as a main constituent, and at least one metal compound of 0.5 to 30 wt. % in total selected from the group consisting of metal nitride, metal carbide, metal phosphide, and metal boride each of which has a hardness not less than 200 in Vicker's hardness, said metal compound being uniformly and finely dispersed in aluminum.
Claim 2
Dependent Claim
69 words
A sliding material of a single substance made by extruding powder, comprising aluminum as a main constituent, and at least one metal compound of 0.5 to 30 wt. % in total selected from the group consisting of metal nitride, metal carbide, metal phosphide, and metal boride each of which has a hardness not less than 200 in Vicker's hardness, said metal compound being uniformly and finely dispersed in aluminum.
Claim 3
Dependent Claim
29 words
The sliding material of a single substance as claimed in claim 1, further comprising a lubricant material of low-melting point metal of 0.1 to 20 wt. % in total.
Claim 4
Dependent Claim
26 words
The sliding material of a single substance as claimed in claim 1, further comprising a solid lubricant material of 0.1 to 20 wt. % in total.
Claim 5
Dependent Claim
42 words
The sliding material of a single substance as claimed in claim 1, further comprising a lubricant material of low-melting point metal of 0.1 to 20 wt. % in total and a solid lubricant material of 0.1 to 20 wt. % in total.
Claim 6
Dependent Claim
26 words
The sliding material of a single substance as claimed in claim 1, further comprising an aluminum matrix-strengthening material of 0.1 to 20 wt. % in total.
Claim 7
Dependent Claim
21 words
A composite sliding material, wherein the sliding material set forth in claim 1 is bonded to a back metal of steel.
Claim 8
Dependent Claim
25 words
The composite sliding material, wherein a bonding layer is provided between the sliding material set forth in claim 1 and the back metal of steel.
References Cited (Backward Citations)
US4233072A
Cited
US4435482A
Cited
US4623595A
Cited
US4938810A
Cited
EP0147769A2
Cited
GB2179369A
Cited
EP0213615A2
Cited
EP0213528A2
Cited
GB2184133A
Cited
EP0262869A1
Cited
JPS6427122A
Cited
EP0319295A1
Cited
US4832734A
Cited
US5041339A
Cited
EP0363225A2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-07-07 | 1996-01-06 | 1996-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-07-07 | 2000-01-06 | 2000-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-07-07 | 2004-01-06 | 2004-07-07 | $7700.00 | Window Closed / Lapsed |