Method for making a pressed paperboard container
US7914432B2 · kind B2 · utility
10Cited by
76References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 24, 2008 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Jun 24, 2028 |
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 disposable pressware features a pneumatic feeding system which accelerates a paperboard blank into a forming die. In a typical embodiment, a pair of adjustable air knives propel a paperboard blank into the forming cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.