Oven regulator for a skin packaging machine
US4338769A · kind A · utility
8Cited by
9References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 1981 |
| Grant date | Jul 13, 1982 |
| Priority date | — |
| Expiry date | Mar 20, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B11/52
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In a skin packaging machine, a method and apparatus for maintaining a film heating oven at a low temperature wherein during a very short repeating duty cycle, e.g., less than a minute, the power to the oven heaters is applied for a short period and is shut down for the remainder of the period through solid state relay switching.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.