公开(公告)号：US11351607B2

公开(公告)日：2022-06-07

申请号：US16302494

申请日：2017-05-12

Applicant: ALMAG S.p.A.

Inventor： Gabriele Gnutti ,  Marco Bertelli

IPC: B22F3/20 ,  B22F9/04 ,  B22F9/10 ,  B22F9/16 ,  C22C1/05 ,  C22C9/04 ,  C22C32/00 ,  B22F9/08

Abstract: A method for obtaining a lead-free or low lead content brass billet subjects a mixture of lead-free or low lead content brass chips and graphite powder to extrusion, either direct or inverted. The method obtains lead-free or low lead content brass billets.

公开(公告)号：US11679436B2

公开(公告)日：2023-06-20

申请号：US17738674

申请日：2022-05-06

Applicant: ALMAG S.p.A.

Inventor： Gabriele Gnutti ,  Marco Bertelli

IPC: B22F3/20 ,  B22F9/04 ,  B22F9/10 ,  B22F9/16 ,  C22C1/05 ,  C22C9/04 ,  C22C32/00 ,  B22F9/08

CPC classification number: B22F3/20 ,  B22F9/04 ,  B22F9/10 ,  B22F9/16 ,  C22C1/05 ,  C22C9/04 ,  C22C32/0084 ,  B22F2003/208 ,  B22F2009/046 ,  B22F2009/0828 ,  B22F2201/10 ,  B22F2201/20 ,  B22F2998/10 ,  B22F2999/00 ,  B22F2998/10 ,  B22F9/04 ,  B22F2009/046 ,  B22F9/08 ,  B22F9/06 ,  B22F2009/0828 ,  B22F9/10 ,  B22F9/16 ,  C22C1/05 ,  B22F2003/208 ,  B22F2999/00 ,  B22F9/08 ,  B22F2201/10 ,  B22F2201/11 ,  B22F2201/20

Abstract: A method for obtaining a lead-free or low lead content brass billet subjects a mixture of lead-free or low lead content brass chips and graphite powder to extrusion, either direct or inverted. The method obtains lead-free or low lead content brass billets.