EP0165584A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Sliding contact material
Assignee: Hitachi Ltd
•
Filing: 1985-06-18
•
Granted: —
•
Expires: 2005-06-18
Abstract
Abstract A sliding contagt material comprising a porous ceramic substrate having the surface pores filled with at least one member selected from the group consisting of metals of Groups Ib and IVb of the periodic table, graphite, and boron nitride.
Inventors
- 👤 Kazuyoshi Hatano
- 👤 Hiroshi Miyata
- 👤 Hiromitsu Ohno
- 👤 Kengo Sugiyama
- 👤 Mitsuyoshi Sato
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 19:48
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/51; C04B41/80; C04B41/81; C04B41/85; C04B41/88; F; F16; F16C; F16C29/00; F16C29/02; F16C33/00; F16C33/02; F16C33/04; F16C33/043; F16C33/24
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
56 words
A sliding contact material comprising a porous substrate material having the surface pores filled with a lubricant, characterized in that said porous substrate material is a ceramic material and said lubricant is at least one member selected from the group consisting of metals of Groups Ib and IVb of the periodic table, graphite, and boron nitride.
Claim 2
Dependent Claim
56 words
A sliding contact material comprising a porous substrate material having the surface pores filled with a lubricant, characterized in that said porous substrate material is a ceramic material and said lubricant is at least one member selected from the group consisting of metals of Groups Ib and IVb of the periodic table, graphite, and boron nitride.
Claim 3
Dependent Claim
22 words
A sliding contact material according to Claim 1, wherein the metals of Groups Ib and IVb are lead, copper, silver; and gold.
Claim 4
Dependent Claim
19 words
A sliding contact material according to Claim 1, wherein the ceramic material is silicon carbide, alumina, or silicon nitride.
Claim 5
Dependent Claim
18 words
A sliding contact material according to Claim 1, wherein the porosity of the ceramic material is 10.to 95%.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.