Manufacturing infusion packages
US5233813A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 1991 |
| Grant date | Aug 10, 1993 |
| Priority date | — |
| Expiry date | Feb 25, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B29/028
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for manufacturing infusion packages such as tea or coffee bags of predetermined shape, comprises means for dosing discrete piles (7) of infusion on a first moving web (4), means (8) for sealing a second web (5) over the first to form a consolidated web with discrete infusion containing pockets (3), a co-rotating roller cutting device having cutting means and recess means to cut packages of predetermined shape e.g. circular from the web, a suction device (15) for collecting waste web and maintaining downstream web tension to transport the cut packages to a removal device (50, 51) operable to stamp the packages downwardly into stacking chambers (49).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.