Apparatus for making paperboard pressware with controlled blank feed
US7819790B2 · kind B2 · utility
12Cited by
46References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 2005 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Dec 7, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B2160/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An improved apparatus for making pressware features a vacuum belt feeder which accelerates and decelerates a feed blank for controlled insertion into a forming die as well as retainers to limit bounce back of the blank off of forward stops. A pneumatic ejector on the forming ram facilitates product removal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.