Fabric-lined epoxy resin cylinder with lubricant retaining grooves
US4189985A · kind A · utility
20Cited by
10References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 1977 |
| Grant date | Feb 26, 1980 |
| Priority date | — |
| Expiry date | Dec 21, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1314
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A woven seamless sleeve including axial yarns forms the inner face of an epoxy resin cylinder for an air operated linear actuator. Under certain conditions, a minute, internal, spiral groove develops in applying the resin. In the operation of the actuator the groove serves to retain lubricant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.