Film for multiple bag
US5981028A · kind A · utility
12Cited by
3References
14Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 20, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Mar 20, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24826
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A film for a multiple bag which film is a multiple film comprising at least two sheets of film put one on another and having scattered along its both-side edge portions spot-fused portions by which the at least two sheets of film is partially united.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.