Method and apparatus for forming a lap seal using a folded roll of film
US6742318B2 · kind B2 · utility
1Cited by
5References
17Claims
0Family size
Inventor
Key dates
| Filing date | Dec 11, 2001 |
| Grant date | Jun 1, 2004 |
| Priority date | — |
| Expiry date | Jul 16, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24322
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Folded film (10) used to create a lap seal using an L sealer (50) includes a first film (12) folded substantially in a form of a “J” and a second film (14) overlapping at least a portion (16) of the first film. The first film and the second film are coupled together (19) in at least a portion of an overlapping area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.