A latitudinal seal mechanism includes seal jaws 78, fixed cams 75, cam followers 76, a pair of partial cams 88, partial cam followers 78a, rotational shafts 80, coupling members 79, and shaft support portions. The seal jaws 78 are heated, and move circularly such that the seal jaws 78 abut on and move...http://www.google.es/patents/US6421987?utm_source=gb-gplus-sharePatente US6421987 - Latitudinal sealing mechanism for bag-packaging machine and a bag packaging machine having the same
Latitudinal sealing mechanism for bag-packaging machine and a bag packaging ...