Patents by Inventor Roberto Castoldi

Roberto Castoldi 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).

  • Patent number: 5458726
    Abstract: The present invention provides an apparatus for applying an adhesive handle to a load, both if it is a pack of items kept together by a unitizing means such as heat-shrunk wrapping or if it is a single article such as a box. More specifically, the apparatus for applies adhesive handles to loads that as they are driven along a path, the apparatus in its preferred embodiment being characterized by a rotatable lever having two opposing arms, either of the arms being in turn positioned within the path. A holding means is provided on the lever for carrying a handle to lay on a surface of the two arms of the lever with its non-adhesive side against the surface of the lever and its adhesive side exposed. Additionally a lever driving means is provided to controllably rotate the lever by about 180.degree. after a load that is driven along the path hits an arm of the lever that is positioned within the path.
    Type: Grant
    Filed: November 29, 1993
    Date of Patent: October 17, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Roberto Castoldi