Method and apparatus for making bag using ultrasonic sealing
US10946591B2 · kind B2 · utility
1Cited by
15References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2018 |
| Grant date | Mar 16, 2021 |
| Priority date | — |
| Expiry date | Feb 16, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B2170/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for making bags or pouches is disclosed. An ultrasonic sealer may be used to form the seals. Sealing patterns may be used to provide a desired strength profile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.