Pressware die set with pneumatic blank feed
US7419462B1 · kind B1 · utility
22Cited by
44References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 12, 2006 |
| Grant date | Sep 2, 2008 |
| Priority date | — |
| Expiry date | Jun 12, 2026 |
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.