FIELD: technological processes.
SUBSTANCE: group of inventions relates to manual and automated methods of making paper bag with polyethylene insert. For both versions of proposed method is characteristic process of discrete welding insert to bag at some distance from its neck.
EFFECT: higher efficiency and energy saving at production of bags, as well as improved working conditions during their production.
17 cl
| Title | Year | Author | Number |
|---|---|---|---|
| PACKING BAG PRODUCTION METHOD | 2003 |
|
RU2294836C2 |
| METHOD AND DEVICE FOR MAKING SACKS WITH SPOUTS | 2005 |
|
RU2337821C2 |
| METHOD OF MAKING BAGS WITH VALVE FROM POLYMERIC FABRIC AND BAG MADE USING SAID METHOD | 2015 |
|
RU2675720C2 |
| HEATING DEVICE | 2008 |
|
RU2440829C2 |
| METHOD FOR PACKING LOOSE MATERIALS | 0 |
|
SU1640018A1 |
| DEVICE FOR TUBES REPAIR TO USE WITHIN TUBE AND METHOD TO REPAIR TUBES | 0 |
|
SU1831634A3 |
| COATED FABRIC MADE FROM POLYMER FIBERS STRETCHED ALONG ONE AXIS AND BAG MADE THEREOF | 2008 |
|
RU2449890C2 |
| METHOD OF TRANSPORTING LOADS INTO TANKS WITH POLYMER FILM INSERT AND WITH TANK INSERT THEREFOR | 0 |
|
SU1708706A1 |
| SLEEVE AND PACKING BAG | 2019 |
|
RU2770238C2 |
