Machine foe
    9.
    发明授权

    公开(公告)号:US25531A

    公开(公告)日:1859-09-20

    申请号:US25531D

    CPC classification number: B21G1/12

    Deburring and die-shaping of punched holes in precision mass produced
parts
    10.
    发明授权
    Deburring and die-shaping of punched holes in precision mass produced parts 失效
    精密批量生产零件中冲孔的去毛刺和模压成型

    公开(公告)号:US3998259A

    公开(公告)日:1976-12-21

    申请号:US646726

    申请日:1976-01-05

    Applicant: Josef Zocher

    Inventor: Josef Zocher

    CPC classification number: B21G1/12

    Abstract: A method of manufacture is disclosed by which punched holes in mass produced parts, such as sewing machine needles and yarn guiding elements for textile machines, can be readily shaped, deburred and polished using die-shaping procedures only.

    Abstract translation: 公开了一种制造方法,通过这样的方式,可以使用模具成型步骤,使用诸如缝纫机针和用于纺织机器的纱线引导元件的批量生产部件中的冲孔可以容易地成形,去毛刺和抛光。

Patent Agency Ranking