Patents Assigned to Brown Products, Inc.
  • Patent number: 3935360
    Abstract: A unitary composite corrugated board structure of a double layer of single-faced corrugated board is fabricated by assembling the boards with their corrugated faces in nesting contact and then compressively cutting the layers by applying a force in a direction substantially perpendicular to the surface of the planar lining sheet of the board. The cutting operation crushes the corrugations at the cut edge into interlocking reentrant configurations which hold the boards together without the need for an adhesive.
    Type: Grant
    Filed: January 28, 1974
    Date of Patent: January 27, 1976
    Assignee: Brown Products, Inc.
    Inventor: Erik Brown