Patents Assigned to Devro Limited
  • Method for preparing edible casings and compositions thereof
    Patent number: 5622740
    Abstract: A method and composition for producing an edible casing from an aqueous gelatin plasticizer composition which is given specific through-put parameters by means of a elongated rotating extruder which terminates in a die extruder for forming a film. The aqueous gelatin composition may also contain chitosan and/or hydroxypropylcellulose. Optionally, cross-linking agents, coloring agents, flavoring agents, preservatives and/or antioxidants may be included.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: April 22, 1997
    Assignee: Devro Limited
    Inventor: Albert T. Miller
  • High moisture collagen casings
    Patent number: 5554401
    Abstract: A wet edible collagen casing, having a moisture content of 50 to 90% by weight, which has been formed and cross-linked, and is packed in its wet state.
    Type: Grant
    Filed: May 9, 1995
    Date of Patent: September 10, 1996
    Assignee: Devro Limited
    Inventors: Graeme Y. Alexander, Trevor F. Morgan, Gerald P. Fitzpatrick
  • Rotatable linking and hanging device
    Patent number: 5453046
    Abstract: Tubular casing with a food filling is linked and hung by a rotatable hanging stick having an array of notches or grooves (18) extending along the length of the stick at its perimeter. The grooves (18) are generally V-shaped but the trough has straight parallel sides and a curved bottom. The straight tubular casing is simultaneously gripped and formed or necked into a pigtail by the grooves (18) and links are formed between pigtails. The loaded stick is suitable for hanging in a smoke house.
    Type: Grant
    Filed: November 8, 1994
    Date of Patent: September 26, 1995
    Assignee: Devro Limited
    Inventors: Gordon Frame, Robin Brown, Frederikus J. Brink