Electric eye for bagging machine
US4597240A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 5, 1985 |
| Grant date | Jul 1, 1986 |
| Priority date | — |
| Expiry date | Jun 5, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B2220/18
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Apparatus for forming, filling and sealing bags with a product wherein sheet material is formed into a tube on a hollow mandrel, feed belts are employed to move the tube downwardly on the mandrel and the product is delivered through the mandrel into the tube comprising a sensing device operable to control operation of the feed belts to on the one hand enable the drive for the feed belts when there is product at the discharge end of the mandrel and on the other hand to disable the drive for the feed belts when there is no product at the discharge end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.