Patents by Inventor Erminio Zoppi

Erminio Zoppi 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).

  • Flexible, composite thermoplastic filament which contains endless fibres and process for preparing it
    Patent number: 5747137
    Abstract: A flexible, composite, thermoplastic filament, which contains continuous fibers, and which filament contains a flexible sheath of a thermoplastic polymer which coats a fiber bundle of fibers, which fiber bundle is impregnated with a thermoplastic powder, which is made of the same thermoplastic polymer coating the fiber bundle, wherein the filament has a substantially elliptical cross-section.
    Type: Grant
    Filed: November 6, 1995
    Date of Patent: May 5, 1998
    Assignees: Eniricerche S.p.A., Enichem S.p.A.
    Inventors: Domingo Cutolo, Erminio Zoppi
  • Process of making a composite article
    Patent number: 5614139
    Abstract: A process for preparing a composite, continuous-fiber-containing filament which entails:a) unwinding a continuous fiber bundle from a bobbin,b) loosening the fiber bundle, in order to separate the bundle substantially into individual fibers,c) impregnating the individual fibers with a thermoplastic polymer powder, andd) recompacting the fiber bundle and providing a flexible sheltering sheath around the bundle, whereby the fiber bundle is caused to have a substantially elliptical cross-section.
    Type: Grant
    Filed: April 7, 1995
    Date of Patent: March 25, 1997
    Assignees: Eniricerche S.p.A., Enichem S.p.A.
    Inventors: Domingo Cutolo, Erminio Zoppi