Patents by Inventor John R. Merkatoris

John R. Merkatoris has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus and process for making disposable diaper type products
    Patent number: 5389173
    Abstract: Apparatus for producing disposable diaper type products such as diapers per se and training pants in which leg elastic strands are captured between a pair of webs which are thereafter united with a fluff pad-equipped web and wherein guide members are employed for traversing the elastic strands to abut leg openings in the diaper type product.
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: February 14, 1995
    Assignee: Paper Converting Machine Company
    Inventors: John R. Merkatoris, Gary E. Johnson
  • Method for producing raised leg cuff for diapers including two folding boards
    Patent number: 5190606
    Abstract: A method and apparatus for producing raised leg cuffs for diapers in which an elastic band is oriented in a straight line direction so as to be adhesively encapsulated between the fold portions of a diaper web while the same is passing through a folding board.
    Type: Grant
    Filed: June 14, 1991
    Date of Patent: March 2, 1993
    Assignee: Paper Converting Machine Company
    Inventors: John R. Merkatoris, William Van Ryzin
  • Method and apparatus for forming fluff pads for diapers and the like
    Patent number: 5097574
    Abstract: A method and apparatus for forming fluff pads and the like wherein fluff providing material webs are introduced into separate hammermills and then delivered through a plurality of ducts through a moving screen under vacuum and wherein the ducts are characterized by reverse bends to densify the particle stream at the outside of the curvature for generally perpendicular deposition on the screen.
    Type: Grant
    Filed: December 3, 1990
    Date of Patent: March 24, 1992
    Assignee: Paper Coverting Machine Company
    Inventors: James E. Hertel, John R. Merkatoris, Grantland A. Craig
  • Method and apparatus for applying an elastic strand to a disposable diaper
    Patent number: 5000806
    Abstract: The invention includes a method and apparatus for applying an elastic strand to disposable diapers. It uses canted, spindle-equipped wheels for engaging an elastic strand, moving the elastic strand into a sinuous configuration and stretching the strand. Stripping belts apply the strand to a diaper component.
    Type: Grant
    Filed: September 13, 1989
    Date of Patent: March 19, 1991
    Assignee: Paper Converting Machine Company
    Inventors: John R. Merkatoris, James E. Hertel, Dale E. Zeman
  • Method and apparatus for making elastic diapers
    Patent number: 4711683
    Abstract: Method and apparatus for applying leg elastic to an elongated moving web adapted to provide a sequence of diapers wherein adhesive is continuously applied by a first air nozzle and shifted intermittently by means of a second air nozzle angularly related to the first air nozzle.
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: December 8, 1987
    Assignee: Paper Converting Machine Company
    Inventor: John R. Merkatoris
  • Apparatus for making elastic diapers
    Patent number: 4585507
    Abstract: Apparatus for producing elastic disposable diapers employing an oscillating fork means to V-fold longitudinally spaced portions of an adhesive equipped ribbon on itself to immobilize the adhesive in the spaced portions.
    Type: Grant
    Filed: April 1, 1985
    Date of Patent: April 29, 1986
    Assignee: Paper Converting Machine Company
    Inventors: John J. Bradley, John R. Merkatoris