Appartus for, and method of, producing a bag from paper, and paper bag
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United States of America Patent
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Oct 31, 2017
Issued Date -
N/A
app pub date -
Nov 15, 2013
filing date -
Nov 14, 2007
priority date (Note) -
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Abstract
A bag machine for production of bags made of paper material includes an unwinding device to unwind and feed paper material in a transport direction (x), a device to produce weakening lines partially offset in direction (x), so that a first wall of the bag continues in at least one tab that extends beyond a second wall, a tube-forming device, in which side areas are folded to form an overlapping area, a separation device to separate tube sections along the weakening lines, and a bottom formation device, in which areas of a leading end of the tube section are folded and fastened onto an outer wall thereof. The machine has a device for application of adhesive surfaces to the paper material, with which an adhesive surface is applied to an area of the paper material that represents the side of the tab facing the second wall in the finished bag.
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