Method of forming cartridge chambers in firearm barrels
    1.
    发明授权
    Method of forming cartridge chambers in firearm barrels 失效
    在枪械弹药筒形成方法

    公开(公告)号:US4359810A

    公开(公告)日:1982-11-23

    申请号:US112558

    申请日:1980-01-16

    IPC分类号: B21J5/12 B21J13/08

    CPC分类号: B21J5/12

    摘要: Method of forming a cartridge chamber in the bore of a firearm barrel, which comprises driving into the bore of the barrel from the butt end thereof a mandrel of the surface configuration of the peripheral wall and mouth of the cartridge chamber, whereby the bore metal is squeezed into close form-fit with the mandrel, and then retracting the mandrel from the barrel bore.

    摘要翻译: 在枪管筒的孔中形成暗盒室的方法,其包括从其对接端驱动筒的孔,其具有筒室的周壁和嘴的表面构型的心轴,由此孔金属是 挤压成与心轴紧密配合,然后从筒孔回缩心轴。