Patents by Inventor Charles E. Haven

Charles E. Haven 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).

  • Winder roll starting apparatus with pressure device for thick webs
    Patent number: 7503519
    Abstract: A winder has a scraper mounted about the axis of a winder drum for circumferential movement. The scraper has a semi-cylindrical concave surface which extends in the cross machine direction, the concave surface meets a second surface to form a scraping edge. The scraping edge engages the winder drum, scraping a web from the surface of the winder drum and pressing the web into engagement with double-sided sticky tape on a winder core with the concave surface.
    Type: Grant
    Filed: May 12, 2008
    Date of Patent: March 17, 2009
    Assignee: Metso Paper, Inc.
    Inventors: Charles E. Haven, Jeffrey K. Klemens
  • Winder roll starting apparatus for thick webs
    Patent number: 7458539
    Abstract: A winder has a scraper mounted about the axis of a winder drum for circumferential movement. The scraper has a semi-cylindrical concave surface which extends in the cross machine direction, the concave surface meets a second surface to form a scraping edge. The scraping edge engages the winder drum, scraping a web from the surface of the winder drum and pressing the web into engagement with double-sided sticky tape on a winder core with the concave surface. An alternative embodiment scraper has a flexible blade which extends in the cross machine direction and which functions similar to a spatula to scrape the pulp web off the surface of the winder drum and wipe the pulp web onto the double-sided sticky tape on the winding core.
    Type: Grant
    Filed: May 27, 2005
    Date of Patent: December 2, 2008
    Assignee: Metso Paper, Inc.
    Inventors: Charles E. Haven, Keith G. Wiedow, David R. Mulry
  • Winder Roll Starting Apparatus with Pressure Device for Thick Webs
    Publication number: 20080210806
    Abstract: A winder has a scraper mounted about the axis of a winder drum for circumferential movement. The scraper has a semi-cylindrical concave surface which extends in the cross machine direction, the concave surface meets a second surface to form a scraping edge. The scraping edge engages the winder drum, scraping a web from the surface of the winder drum and pressing the web into engagement with double-sided sticky tape on a winder core with the concave surface.
    Type: Application
    Filed: May 12, 2008
    Publication date: September 4, 2008
    Applicant: Metso Paper, Inc.
    Inventors: Charles E. Haven, Jeffrey K. Klemens