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    BREATHER FOR PERMANENT ALUMINIUM-CASTING MOULD
    3.
    发明公开
    BREATHER FOR PERMANENT ALUMINIUM-CASTING MOULD 有权
    喘息永久模具铸造铝的

    公开(公告)号：EP2719483A1

    公开(公告)日：2014-04-16

    申请号：EP11867234.4

    申请日：2011-06-08

    申请人： Zanatta, Jeanlis Brito

    发明人： Zanatta, Jeanlis Brito

    IPC分类号： B22C9/14

    CPC分类号： B22C9/067 ,  B22C7/065 ,  Y10S425/812

    摘要： The patent relates to the field of metallurgical products and comprises a cylindrical body (15) provided with a plurality of slots (16), with a taper "A" designed such that the larger opening (18) is at the outer surface of the breather (15) and the smaller opening (19) is located internally with respect to the breather (15), so that the aluminium component (5), when removed from the mould (6), brings with it the burr (17), leaving the slots (16) of the breather (15) always free, and also a breather (29) comprising a cylindrical body constituted from a plurality of holes (21), with a conicity "A" designated such that the larger opening (22) is at the outer surface of the breather (20) and the smaller opening (23) is located internally with respect to the breather (20).