Jaws for a bag former
US4743337A · kind A · utility
8Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1986 |
| Grant date | May 10, 1988 |
| Priority date | — |
| Expiry date | Oct 3, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7128
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In a bagmaker, two pairs of opposed jaws to draw a web of material about a former and seal the web to form separate bags, each set of jaws are cantilevered on a support and have electromagnetic assist to provide pressure during sealing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.