Aluminium alloy cylinder and manufacturing method thereof
US4221639A · kind A · utility
13Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 1979 |
| Grant date | Sep 9, 1980 |
| Priority date | — |
| Expiry date | May 29, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12993
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An aluminium alloy cylinder includes a cylinder body and a cylinder bore therein. An iron layer is electrodeposited on the wall surface of the cylinder bore by means of a high cathode current density so that a multiplicity of randomly oriented channels are formed in the electrodeposited iron layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.