Patents by Inventor Philippe LIOTARD

Philippe LIOTARD 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).

  • Cutter holder for a tunnel boring machine and an associated cutting set
    Patent number: 10174615
    Abstract: The invention relates to a cutter holder (1) for a tunnel boring machine, comprising: a housing (2) comprising two cavities (26) formed in opposite walls (20), and two clamping sets (3), configured to be removably mounted on either side of the roller cutter (10) in the housing (2), and each comprising: a base plate (32), and a center wedge (34), movably mounted on the base plate (32), two side wedges (36), hinged between the base plate (32) and the center wedge (34) between a retracted position and a clamping position, wherein the side wedges (36) transversely swing and enter into the cavity (26) facing the housing (2).
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: January 8, 2019
    Assignee: BOUYGUES TRAVAUX PUBLICS
    Inventors: Philippe Liotard, Patrice Robert
  • CUTTER HOLDER FOR A TUNNEL BORING MACHINE AND AN ASSOCIATED CUTTING SET
    Publication number: 20160273358
    Abstract: The invention relates to a cutter holder (1) for a tunnel boring machine, comprising: a housing (2) comprising two cavities (26) formed in opposite walls (20), and two clamping sets (3), configured to be removably mounted on either side of the roller cutter (10) in the housing (2), and each comprising: a base plate (32), and a centre wedge (34), movably mounted on the base plate (32), two side wedges (36), hinged between the base plate (32) and the centre wedge (34) between a retracted position and a clamping position, wherein the side wedges (36) transversely swing and enter into the cavity (26) facing the housing (2).
    Type: Application
    Filed: November 4, 2014
    Publication date: September 22, 2016
    Inventors: Philippe LIOTARD, Patrice ROBERT