Bulk material containers
US4138163A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1977 |
| Grant date | Feb 6, 1979 |
| Priority date | — |
| Expiry date | Nov 21, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D90/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A container for use in the bulk handling of flowable particulate materials is disclosed comprising a closed, generally rectangular parallelpiped on upper container body portion, having side walls, end walls and a roof, and a lower base portion; conduits permitting the introduction and withdrawal of particulate materials to and from the container body; the lower base portion supporting a vertical flexure panel at each corner thereof, the vertical flexure panels supporting opposed pairs of longitudinal and transverse flexure panels between the tops thereof; exterior outer skin members bonded as side and end walls and roof of the container body portion to the curved flexure panels; a plurality of horizontal, non-intersecting internal end wall stiffeners bonded to each of the end walls, each terminating at opposite ends in a junction with one of the pair of vertical flexure panels; a plurality of vertical, non-intersecting internal side wall stiffeners bonded to each of the side walls, each terminated at opposite ends in a junction with one of the longitudinal flexure panels and the lower base portion; and a plurality of transverse, internal, non-intersecting roof stiffeners bonded to …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.