Liquid spring with integral plastic body and seal and fabrication method therefor
US4265344A · kind A · utility
21Cited by
3References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 19, 1979 |
| Grant date | May 5, 1981 |
| Priority date | — |
| Expiry date | Sep 19, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/48
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A liquid shock absorber device including a plastic cylinder having first and second ends, a piston rod having a first end within the cylinder and a second end externally of the cylinder, a plastic seal formed integrally with the cylinder at the first end and defining an opening for receiving the piston rod in sealing relationship, a closure for closing the second end of the cylinder, and fluid in the cylinder. The closure on the second end may have a piston associated therewith for preloading the fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.