Vacuum operated bottom former
US5551211A · kind A · utility
4Cited by
6References
32Claims
0Family size
Inventors
Key dates
| Filing date | Sep 28, 1994 |
| Grant date | Sep 3, 1996 |
| Priority date | — |
| Expiry date | Sep 28, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B50/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for forming a flattened seating area from a gabled bottom of a carton. The apparatus includes a cup having a recess that conforms to the bottom cross-section of the gabled bottom. The cup has an inlet in fluid communication with an underpressure source. An anvil is disposed within the cup recess for forming the carton when the carton bottom and anvil are driven together by, for example, the underpressure in the cup.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.