| 摘要 |
<p>A set of cross seal jaws 30 for forming a bag or pouch from a continuous film has opposing surfaces 32A, 32B between which opposing portions of are clamped to produce a sealed header region. The jaws have a punch 33 for forming an aperture in the sealed header region, a first knife guide 34 outboard of the punch through which a first knife can be introduced to separate the bag or pouch from the remaining film, and a second knife guide 36 spaced inboard of the punch through which a second knife can be introduced to form a line of weakness extending across the sealed header region. The line of weakness divides the header region into inner and outer sealed portions. A method of manufacturing a packaging comprising a bag or pouch from a continuous film using the cross seal jaws is also disclosed.</p> |
