Film edge sealing device
US10661509B2 · kind B2 · utility
0Cited by
13References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 17, 2018 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Jul 17, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B2220/08
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A film fin sealing device is disclosed herein which may have a groove defining a base. The base of the groove of the fin sealing device may be oriented at a skewed angle with respect to a longitudinal direction of the conveyor of a heat sealing machine. Edges of a thermoplastic sheet or two stacked layers of thermoplastic sheets are introduced into the groove of the film fin sealing device and placed in contact therewith to both heat and fuse the distal edge portions of the thermoplastic sheet(s) to join the edge portions thereof to form a fin seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.