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    Method of producing a package, particularly for packaging products, and package formed using such a method
    4.
    发明授权
    Method of producing a package, particularly for packaging products, and package formed using such a method 失效
    生产包装的方法，特别是用于包装产品的包装，以及使用这种方法形成的包装

    公开(公告)号：US6027437A

    公开(公告)日：2000-02-22

    申请号：US40855

    申请日：1998-03-18

    Applicant: Luigino Vercelli ,  Giuseppe Rispoli

    Inventor： Luigino Vercelli ,  Giuseppe Rispoli

    IPC: B29C51/18 ,  B31B41/00 ,  B31B43/00 ,  B65D1/00 ,  B65D3/02 ,  B65D85/34

    CPC classification number: B31B43/00 ,  B31B41/00 ,  B65D1/00 ,  B65D3/02 ,  B65D7/02 ,  B31B2201/223 ,  B31B2241/00

    Abstract: A method of producing a package, particularly for packaging products, the method including the steps of feeding a sheet material to a forming die; deforming and cutting the sheet material to obtain a hollow semifinished body of revolution having at least one inlet opening; forming, on an edge of the semifinished body, two localized bends on opposite sides of the opening and aligned with each other along an axis; permanently deforming the semifinished body by rotating two portions of the semifinished body, located on opposite sides of the axis, about the axis to form an elongated body in a stable, at least partly-open condition, and which may be brought manually into an unstable closed condition in which it is maintained by a releasable retaining device.

    Abstract translation: 一种制造包装材料的方法，特别是用于包装产品的方法，包括将片材材料供给到成形模具的步骤; 变形和切割片材以获得具有至少一个入口的空心半圆形旋转体; 在所述半成品的边缘上形成在所述开口的相对侧上的两个局部弯曲并且沿着轴线彼此对准; 通过将位于轴的相对侧上的半成品体的两部分围绕轴线旋转来永久地使半成品变形，以形成稳定的，至少部分打开的状态的细长主体，并且其可以手动地变为不稳定的 关闭状态，其中由可释放的保持装置维持。

    Can bodies and method and apparatus for manufacture thereof
    6.
    发明授权
    Can bodies and method and apparatus for manufacture thereof 失效
    罐体及其制造方法和装置

    公开(公告)号：US3953994A

    公开(公告)日：1976-05-04

    申请号：US247203

    申请日：1972-04-24

    Applicant: William H. Brawner ,  Claude A. Gunsalus ,  Lowell K. Rockwell

    Inventor： William H. Brawner ,  Claude A. Gunsalus ,  Lowell K. Rockwell

    IPC: B21D22/10 ,  B21D51/16 ,  B21D51/26

    CPC classification number: B65D7/02 ,  B21D22/105 ,  B21D51/16

    Abstract: A tubular can body comprising a radially expanded central portion, a neck at each end of the central portion, and a radially extending flange adjacent each neck at the ends of the tubular member. A tubular, elastomeric member is positioned within a die-contained can body and is pressurized to mold the can body to the shape of the die. The operation forms a radially expanded can body, necks the can body adjacent the radially expanded portion, and flanges the ends of the body in a single operation. A tapered elastomeric mandrel may be utilized in place of the tubular mandrel, obviating the necessity of lubricating the mandrel and allowing the body to be axially extended so that the material from which the can is formed is altered in cross section both radially and axially. A structural groove, suitably positioned in the mandrel surface allows flanging to be effected at the upper end of the can body without damage to the mandrel. Alternatively, an expandable member may be substituted in place of either the tubular or tapered mandrel to form the can body through use of hydraulic pressure.

    Abstract translation: 包括径向膨胀的中心部分的管状罐体，在中心部分的每个端部处的颈部以及在管状部件的端部处与每个颈部相邻的径向延伸的凸缘。 管状的弹性体构件定位在一个装有模具的罐体内，并被加压以将罐体模制成模具的形状。 操作形成径向扩张的罐体，颈部靠近径向扩张部分的罐体，并且在一个操作中对主体的端部进行凸缘。 可以使用锥形弹性体心轴来代替管状心轴，从而避免了润滑心轴的需要，并允许主体被轴向延伸，使得形成罐的材料在径向和轴向方面的横截面都改变。 适当地定位在心轴表面中的结构凹槽允许在罐体的上端实现凸缘，而不损坏心轴。 替代地，可膨胀构件可以代替管状或锥形心轴，以通过使用液压来形成罐体。

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