Patents Assigned to Hazelwood Enterprises Limited
  • Method and apparatus for handling and filling bags or envelopes
    Patent number: 4393640
    Abstract: A method and apparatus for handling and filling bags or envelopes fed from a continuous length supply are disclosed wherein each bag or envelope is open at or adjacent one marginal edge of the continuous length supply for insertion thereinto of filling material.
    Type: Grant
    Filed: August 28, 1980
    Date of Patent: July 19, 1983
    Assignee: Hazelwood Enterprises Limited
    Inventors: Denis B. Cole, Derek C. Trethewy