Vulcanizing press for manufacturing tires
US4383808A · kind A · utility
13Cited by
8References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1982 |
| Grant date | May 17, 1983 |
| Priority date | — |
| Expiry date | Jun 8, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2030/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An improved vulcanizing press for manufacturing tires is disclosed which is constructed such that a molding die assembly is clamped by means of a plurality of hydraulic cylinder units, wherein the respective hydraulic cylinder units are provided with a booster for serving to pressurize hydraulic liquid to actuate a ram slidably contained in a hydraulic chamber and a pilot operated check valve for controlling supply of hydraulic liquid into said hydraulic chamber or discharge of the same therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.