Patents by Inventor Quirino Ridolfi

Quirino Ridolfi 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).

  • CORE WINDER WITH FORMING UNIT WITH A TOOTHED BELT
    Publication number: 20100204031
    Abstract: A core winder is disclosed for forming tubes from at least one helically wound strip of web material, including: a spindle, about which the strip or strips of web material are wound; a forming unit including a belt entrained about at least two pulleys, at least one of which is motorized. The belt forms a loop about the forming spindle. The belt has a front face provided with a toothing cooperating with one of the pulleys, which is also toothed.
    Type: Application
    Filed: September 11, 2008
    Publication date: August 12, 2010
    Applicant: Fabio Perini S.p.A.
    Inventors: Mauro Gelli, Mario Gioni Chiocchetti, Quirino Ridolfi
  • Sharpening unit and cutting machine comprising at least one blade and said sharpening unit
    Publication number: 20060011015
    Abstract: The sharpening unit (50) comprises a grinding wheel unit (80) with at least two grinding wheels (51, 53) opposed to act on two sides defining a cutting bevel of the blade (19). The grinding wheel unit is provided with at least a degree of freedom to center the grinding wheels (51, 53) in respect of a lying surface of the portion of the cutting bevel of the blade (19) on which said grinding wheels act.
    Type: Application
    Filed: October 27, 2003
    Publication date: January 19, 2006
    Applicant: Fabio Perini S.P.A.
    Inventors: Mario Chiocchetti, Mauro Gelli, Quirino Ridolfi
  • Cutting machine with a sharpening unit for a blade, sharpening method and blade for said machine
    Publication number: 20060000312
    Abstract: The unit comprises a first grinding wheel (81) and a second grinding wheel (83) acting on a first side (207) and on a second side (209) of the bevel (205) of the blade (19). The first grinding wheel (81) has a finer grain than the second grinding wheel (83). Moreover, the first grinding wheel also has an inclination that is not parallel to the respective first side (207) of the bevel (205) of the blade (19), while the second grinding wheel (83) has an inclination essentially parallel to the second side (209) of said bevel.
    Type: Application
    Filed: October 15, 2003
    Publication date: January 5, 2006
    Applicant: Fabio Perini S.P.A.
    Inventors: Mario Chiocchetti, Mauro Gelli, Quirino Ridolfi