Patents by Inventor Lawrence J. Oliver

Lawrence J. Oliver 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).

  • Surface winder with recycled mandrels and method
    Patent number: 5421536
    Abstract: A surface winder and method employing recycled mandrels wherein a frame provides a winding path, a first winding drum for continuously advancing a web in the path and positioned on one side of the path, a mandrel inserter for introducing mandrels sequentially into the path for contact with the web, a second winding drum on the frame on the other side the path for coacting with the first winding drum in developing a log and a stripper on the frame for stripping each mandrel sequentially out of its associated log.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: June 6, 1995
    Assignee: Paper Coverting Machine Company
    Inventors: James E. Hertel, Gerald W. Buxton, Lawrence J. Oliver
  • Coreless surface winder and method
    Patent number: 5402960
    Abstract: A coreless surface winder and method wherein one of the winding rollers is accompanied by a slightly spaced apart arcuate dead plate which operates to cause a folded leading edge on a transversely severed web to roll upon itself and develop an incipient log which thereafter is completed in a conventional three roll cradle to provide a coreless retail sized roll.
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: April 4, 1995
    Assignee: Paper Converting Machine Company
    Inventors: Lawrence J. Oliver, Richard J. Vigneau