1.
    发明专利
    失效

    公开(公告)号:JPH05242634A

    公开(公告)日:1993-09-21

    申请号:JP24458092

    申请日:1992-09-14

    Applicant: BASF AG

    Abstract: PURPOSE: To economically manufacture the reel pressing spring by suppressing a material loss to the utmost, as well as simplifying a tool. CONSTITUTION: Strip spring steel 73 having a width corresponding to the reel pressing spring 56 to be manufactured is delivered into a cutting position by a grip 74. The strip spring steel 73 is cut by a cutting die 77 into a circular- arcuate or rectilinear shape as an end part of the reel pressing spring, and also arms 56a and 56b are formed with a curved surface with its middle part bendwise formed with a projecting U-shaped bent part 62 as a fitting device.

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