Bag making machine
US4902374A · kind A · utility
5Cited by
14References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1988 |
| Grant date | Feb 20, 1990 |
| Priority date | — |
| Expiry date | May 2, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1313
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A bag making machine and method for the continuous production of bags from a folded web of thermoplastic material is provided. The apparatus includes a capability for making bags of differing widths. The apparatus includes a rotatable drum having a plurality of sever and seal stations for forming individual positioned about the outer periphery of the drum. A source of a continuous folded web of thermoplastic material is also provided, and continuously fed onto the surface of the drum. Means positioned between adjacent sever and seal stations tuck the web of material inwardly from the periphery of the drum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.