Patents Assigned to Printpack, Inc.
  • Optical image encryption and decryption processes
    Patent number: 5715316
    Abstract: A method of encrypting and decrypting images comprising the steps of creation of an encrypted image by alteration of the original image and decrypting the image by means of a decrypting optic.
    Type: Grant
    Filed: October 25, 1993
    Date of Patent: February 3, 1998
    Assignee: Printpack, Inc.
    Inventors: Richard A. Steenblik, Mark J. Hurt
  • Web slitting system and slack inducing apparatus and method useful therein
    Patent number: 4798353
    Abstract: Apparatus for inducing a controlled quantity of slack in a web traveling along a travel path from a web supply roll to a web slitter comprises first and second supports movable relative to one another. First and second sets of rollers are secured to the first and second supports, respectively, the rollers together defining at least a portion of a travel path for the web from a web supply roll to a web slitter. A control, responsive to an external signal, moves the first and second supports relative to one another a predetermined distance under positive control in such a manner as to effect relative movement of the first and second sets of rollers to vary the length of the travel path.
    Type: Grant
    Filed: February 5, 1987
    Date of Patent: January 17, 1989
    Assignee: Printpack, Inc.
    Inventor: Jack Peugh
  • Food container
    Patent number: D671373
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: November 27, 2012
    Assignees: Normerica Inc., Printpack, Inc.
    Inventors: John Francis Kimmel, Colin Gleason, Simon Than, Patrick L. O'Brien, Daniel Clayton Sanders