Ultrasonic sealing of packages
US9090021B2 · kind B2 · utility
2Cited by
150References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2012 |
| Grant date | Jul 28, 2015 |
| Priority date | — |
| Expiry date | May 13, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B51/30
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for sealing films. In one embodiment the sealing device comprises a horn and an anvil. The film has a standard portion and an increased portion. Increased energy is applied to the film in the increased portion compared to the energy applied to the standard portion. Such a method allows for sealing of varying number of layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.