Tool for coldforming operations with improved performance

Tool for coldforming operations with improved performance

  • CN 1,869,267 B
  • Filed: 05/29/2006
  • Issued: 05/07/2014
  • Est. Priority Date: 05/27/2005
  • Status: Active Grant
First Claim
Patent Images

1. drawing die, for tire steel cord stretched operation, this drawing die contains ultra-fine cemented carbide, this Wimet is comprised of particle growth inhibitor V and the Cr of WC, Co tackiness agent phase and <

  • 1 % by weight, it is characterized in that Co content >

    5 % by weight but <

    10 % by weight and vickers hardness hv 30>

    2150-52 ×

    % by weight Co.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×