Patents by Inventor Lawrence E. Zagar

Lawrence E. Zagar 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).

  • Combined chiller and spreader roll assembly
    Patent number: 9144966
    Abstract: A roller assembly is provided for spreading and chilling a web in a printing press. The roller assembly includes a roller for chilling and spreading a web and a trolley roller contacting the roller, the trolley roller configured and arranged to impart a deflection in the roller. Also provided is a roller assembly for counteracting web loading on a roller in a printing press. This roller assembly includes a roller for transporting a web, the roller having an axis; a web wrapped partially around the roller and applying a load on the roller transverse to the axis; and a trolley roller contacting the roller, the trolley roller configured and arranged to impart a sufficient force on the roller to keep the axis of the roller linear under said load.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: September 29, 2015
    Assignee: Goss International Americas, Inc.
    Inventors: Lawrence E Zagar, James Brian Vrotacoe, Daniel Matthew Perdue
  • COMBINED CHILLER AND SPREADER ROLL ASSEMBLY
    Publication number: 20140102323
    Abstract: A roller assembly is provided for spreading and chilling a web in a printing press. The roller assembly includes a roller for chilling and spreading a web and a trolley roller contacting the roller, the trolley roller configured and arranged to impart a deflection in the roller. Also provided is a roller assembly for counteracting web loading on a roller in a printing press. This roller assembly includes a roller for transporting a web, the roller having an axis; a web wrapped partially around the roller and applying a load on the roller transverse to the axis; and a trolley roller contacting the roller, the trolley roller configured and arranged to impart a sufficient force on the roller to keep the axis of the roller linear under said load.
    Type: Application
    Filed: October 2, 2013
    Publication date: April 17, 2014
    Applicant: Goss International Americas, Inc.
    Inventors: Lawrence E. ZAGAR, James Brian Vrotacoe, Daniel Matthew Perdue
  • Pre-fold sword insertion device
    Patent number: 6705982
    Abstract: A folder includes a first cutting device for partially cutting a web of material, a former to fold the web of material, so as to form a folded web, a stationary signature opening device located between sides of the passing folded web, and a second cutting device located downstream from the former to cut the folded web into an at least one signature. A related collating device is also provided.
    Type: Grant
    Filed: November 15, 2000
    Date of Patent: March 16, 2004
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Kevin Lauren Cote, Lawrence E. Zagar
  • Web steering air flotation device for printing equipment
    Patent number: 6397495
    Abstract: An air bar for steering a web of material has a hollow interior subjected to an air bar supply pressure. At least one air jet exit is connected to the hollow interior of the air bar. A metering device is assigned to the hollow interior of the air bar for varying the air pressured formed below the web of material for moving the web of material in a lateral direction.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: June 4, 2002
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Neil Doherty, Lawrence E. Zagar