Patents by Inventor Cesare De Lucchi

Cesare De Lucchi 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).

  • Coupling interposed between the rolls of a widener roller for sheet materials
    Patent number: 4869413
    Abstract: The coupling interposed between the rolls of a widener roller for sheet materials comprises a couple of mutually opposite ring-shaped flanges haveing an "L"-shaped cross-section. Each ring-shaped flange is composed by a first metal ring, and a second metal ring. The first metal rings are bonded to the inner surfaces of the edges of a couple of adjacent rolls which, together with other rolls, form the widener roller, and between the second metal rings a ring-shaped element of a flexible material is interposed.
    Type: Grant
    Filed: June 21, 1988
    Date of Patent: September 26, 1989
    Assignee: Irga S.p.A.
    Inventor: Cesare De Lucchi