Encyclopedic Dictionary of Polymers

2011 Edition
| Editors: Jan W. Gooch


  • Jan W. Gooch
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6247-8_7056

A heat-sealing device, used in packaging, that seals a length of flat, folded film on the edge opposite the fold and simultaneously seals a strip across the width at 90° from the edge seals. The article to be packaged may be inserted between the two layers of folded film prior to sealing. When it is desired to sever the continuous length of sealed compartments into individual packages, a heated wire or knife is incorporated between two sealing bars that form the bottom of the L. These bars then make the top seal of the filled bag and the bottom seal of the next bag to be filled.

Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Jan W. Gooch
    • 1
  1. 1.AtlantaUSA