主权项 |
1. A method for manufacturing a bag, the method comprising: providing a first web; forming an opening through the first web; providing a second web and aligning the second web with the first web in at least one direction, such that the second web overlies the opening; around a perimeter enclosing the opening, sealingly fixing the first web to the second web, such that a continuous seal is provided around the perimeter, forming an enclosed compartment between the first web and the second web, the enclosed compartment being accessible through the opening. |