Patents Assigned to RESSORTS HUON DUBOIS
  • Patent number: 8978434
    Abstract: A method for making a variable pitch spring (9), in which a spring wire (1) is bent using bending lugs (5, 6) so as to impart a spiral configuration thereto, a gap is formed between the turns by placing, between the turns being formed, the beveled side of a rotary disc (2) having a rotation synchronized with the spring wire supply, the disc (2) having a beveled profile that varies along the periphery of the disc, and the spring wire is cut (3) at the end of the formation of each spring.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: March 17, 2015
    Assignee: Ressorts Huon Dubois
    Inventor: Serge Huon
  • Publication number: 20110209514
    Abstract: A method for making a variable pitch spring (9), in which a spring wire (1) is bent using bending lugs (5, 6) so as to impart a spiral configuration thereto, a gap is formed between the turns by placing, between the turns being formed, the beveled side of a rotary disc (2) having a rotation synchronized with the spring wire supply, the disc (2) having a beveled profile that varies along the periphery of the disc, and the spring wire is cut (3) at the end of the formation of each spring.
    Type: Application
    Filed: October 26, 2009
    Publication date: September 1, 2011
    Applicant: RESSORTS HUON DUBOIS
    Inventor: Serge Huon