Patents Assigned to Press Engineering (Proprietary) Limited
  • Patent number: 5707194
    Abstract: A method of manufacturing a binding strip includes the step of providing a length of metal strip from a supply thereof. The length of metal strip is folded about a first fold line parallel to a longitudinal axis thereof to form two portions angularly disposed to each other about the first fold line. The invention extends to a method of binding a calendar which includes the step of providing a length of metal strip from a supply thereof. The metal strip is folded about a first fold line parallel to a longitudinal axis thereof to form two portions angularly disposed to each other about the first fold line. An end of the calendar is located in a region between the portions and secured between the two portions. The invention extends further to an apparatus for manufacturing a binding strip and to an apparatus for binding a calendar.
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: January 13, 1998
    Assignee: Press Engineering (Proprietary Limited)
    Inventors: Murray Basil Blumberg, William M. Hoffman
  • Patent number: 5667322
    Abstract: A folder for use with a metal binder having an elongate body portion and a prong extending from each end thereof includes a front cover sheet. A rear cover sheet is pivotally connected to the front cover sheet and has a pair of spaced openings defined therein. An adhesive layer is arranged on an operatively outer side of the rear cover sheet, between the openings.
    Type: Grant
    Filed: August 29, 1995
    Date of Patent: September 16, 1997
    Assignee: Press Engineering (Proprietary) Limited
    Inventor: Cheryl Mucznik
  • Patent number: 5641234
    Abstract: A file fastener, which is of a flat metal strip having top and bottom surfaces with narrow side surfaces therebetween, includes an elongate body portion. A prong extends from each end of the body portion, with at least the side surfaces of the prongs having a protective coating. The invention extends to a string of file fasteners, each file fastener being of a flat metal strip and having an elongate body portion. A prong extends from each end of the body portion, with the file fasteners being connected via frangible bridges. The invention also extends to a method of manufacturing file fasteners.
    Type: Grant
    Filed: October 14, 1994
    Date of Patent: June 24, 1997
    Assignee: Press Engineering (Proprietary) Limited
    Inventor: Murray Basil Blumberg