Heat sealing device
US12280905B2 · kind B2 · utility
0Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2023 |
| Grant date | Apr 22, 2025 |
| Priority date | — |
| Expiry date | Jul 19, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B2051/105
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
There is provided a heat sealing device that seals a film for packaging an article by heat welding, with the film sandwiching the article in between and being disposed in a partially overlapped state around the article, the heat sealing device including: a sealing head that heat-welds a seal portion to be sealed in the film; a first cooling head that cools the seal portion after heat welding by the sealing head; and a second cooling head that cools at least a part of an article side region in the film, which is located on an article side with respect to the seal portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.