Patents by Inventor Walter BERTOLDO

Walter BERTOLDO 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).

  • End connector of a corrugated tube, produced by co-moulding
    Patent number: 8491014
    Abstract: An end connector of a corrugated tube made of plastic material has a tubular elastomeric body produced by co-molding onto an end of the corrugated tube. The elastomeric body includes a connection portion arranged outside the corrugated tube and shaped for connection to an external component, and by an anchorage portion arranged inside the corrugated tube so as to fill grooves of the corrugated wall. A tubular insert which is made of plastic material and is partially incorporated in the elastomeric body and has a stem portion extending inside the corrugated tube and a flange portion which is in abutment with the end of the corrugated tube. The stem portion includes an anchorage zone provided with lateral ducts, in the region of the anchorage zone the stem portion of the insert is attached to the corrugated tube by the anchorage portion of the elastomeric body.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: July 23, 2013
    Assignee: A.E.C. S.r.l.
    Inventors: Alberto Folcarelli, Walter Bertoldo
  • END CONNECTOR OF A CORRUGATED TUBE, PRODUCED BY CO-MOULDING
    Publication number: 20120098253
    Abstract: An end connector of a corrugated tube made of plastic material has a tubular elastomeric body produced by co-moulding onto an end of the corrugated tube. The elastomeric body includes a connection portion arranged outside the corrugated tube and shaped for connection to an external component, and by an anchorage portion arranged inside the corrugated tube so as to fill grooves of the corrugated wall. A tubular insert which is made of plastic material and is partially incorporated in the elastomeric body and has a stem portion extending inside the corrugated tube and a flange portion which is in abutment with the end of the corrugated tube. The stem portion includes an anchorage zone provided with lateral ducts, in the region of the anchorage zone the stem portion of the insert is attached to the corrugated tube by the anchorage portion of the elastomeric body.
    Type: Application
    Filed: October 26, 2010
    Publication date: April 26, 2012
    Applicant: A.E.C. S.r.I.
    Inventors: Alberto FOLCARELLI, Walter BERTOLDO