Magazine for bags such as sacks
US4030528A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 28, 1975 |
| Grant date | Jun 21, 1977 |
| Priority date | — |
| Expiry date | Oct 28, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H1/30
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An apparatus is disclosed for transferring valved bags such as cement sacks from a first supply position to a second position whereby they are removed by filling spouts of an associated packing apparatus. First bag transporting means in the form of a conveyor belt has a bag receiving position and a bag discharging position and is adapted to successively move bundles of the bags from the bag receiving position to its discharge position. Second bag transporting means such as a second conveyor belt is positioned adjacent the first transporting means and adapted to successively receive bundles of the bags discharged from the first transporting means and to position the bags so received in a generally upright stacked relation. Means for detecting deviations of the height of the stack of bags from a predetermined level resulting from successive removal of each uppermost bag from the stack by filling spouts of the associated packing apparatus, supplies a signal activating the second transporting means when the height of the stack of bags reaches a pre-set level. When the second bag transporting means reaches a predetermined bag receiving position the first bag transporting means is activa…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.