The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 11, 2010
Filed:
May. 25, 2006
Applicants:
Håkan Engström, Bromma, SE;
Luis Miñarro I Bruguera, Barcelona, ES;
Emmanuel Pauty, Echirolles, FR;
Vasco I Salas, Barcelona, ES;
Inventors:
Håkan Engström, Bromma, SE;
Luis Miñarro i Bruguera, Barcelona, ES;
Emmanuel Pauty, Echirolles, FR;
Vasco i Salas, Barcelona, ES;
Assignee:
Sandvik Intellectual Property AB, Sandviken, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 29/08 (2006.01); B21D 22/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a cemented carbide tool for the deep drawing operations, especially as the ironing dies, of the manufacturing of aluminum or steel beverage cans. The cemented carbide comprises WC with an ultra fine grain size, a binder phase of Co, and grain growth inhibitors (V and/or Cr), wherein the Co content is from about 5 to about 10 wt-%, and with a specific relation between HV30 and cobalt content.