Impulse sealing apparatus
US4075818A · kind A · utility
21Cited by
11References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1976 |
| Grant date | Feb 28, 1978 |
| Priority date | — |
| Expiry date | Jun 4, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2035/1658
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Impulse sealing apparatus having a forced cooling cycle following the impulse heating cycle, and comprising in combination, a vortex tube which converts a source of compressed gas at ambient temperature into a cold gas stream, a heat exchanger cooled by the cold gas stream generated by the vortex tube, a second source of pressurized ambient temperature gas communicating with the heat exchanger and cooled thereby, and means for removing the second source gas stream from the heat exchanger and communicating with the impulse sealer for supplying chilled gas thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.