Easily-opened can lid
    1.
    发明授权
    Easily-opened can lid 失效
    容易打开可以盖

    公开(公告)号:US6036043A

    公开(公告)日:2000-03-14

    申请号:US244707

    申请日:1999-02-04

    CPC分类号: B65D17/163 B65D17/506

    摘要: An easily-opened can lid includes a cover ring having an outer edge and an inner edge. The inner edge folds inwardly to form an annular flange surrounding a lid opening. A tear-off portion aligned about the annular flange has a lateral area covering the entirety of the lid opening such that the lid opening is smaller than the tear-off portion. An attachment tab is secured at a location on the lateral area of the tear-off portion and an opening ring is secured to that attachment tab. An outside edge of the tear-off portion can be aligned with the inside edge of the cover ring so that the annular flange is entirely covered by the lateral area of the tear-off portion. Heat sealing coatings can be applied to the lateral area of the tear-off portion on a bottom side thereof and to the top side of the annular flange to secure the cover ring to the tear-off portion.

    摘要翻译: 容易打开的罐盖包括具有外边缘和内边缘的盖环。 内边缘向内折叠以形成围绕盖开口的环形凸缘。 围绕环形凸缘对准的撕开部分具有覆盖整个盖开口的侧面区域,使得盖子开口小于撕下部分。 附接凸片固定在撕开部分的侧面区域上的位置处,并且开环固定到该附接凸片。 撕裂部分的外边缘可以与盖环的内边缘对准,使得环形凸缘完全被撕开部分的横向区域覆盖。 可以将热封涂层施加到其底侧上的撕开部分的横向区域和环形凸缘的顶侧,以将盖环固定到撕开部分。

    Method for the manufacture of a ring part out of sheet metal for a lid of a can
    2.
    发明授权
    Method for the manufacture of a ring part out of sheet metal for a lid of a can 失效
    用于制造用于罐盖的金属板的环部分的方法

    公开(公告)号:US06554556B2

    公开(公告)日:2003-04-29

    申请号:US09846167

    申请日:2001-05-01

    IPC分类号: B21D5140

    摘要: For the manufacture of a ring part out of a flat sheet-metal part to form a lid for a lid of a can. A hot-sealable coating is provided on one side of the sheet-metal part which is then shaped into a cylindrical tube with the coating being on the inside. The axially extending edges of the tube are joined together to form a butt-joint and the inside surface thereof pressed against a cooling plate. A butt-joint welding seam is then created by means of a laser jet. The tube is separated into equal length tube sections and each is conically enlarged at one end. The other end of each tube section is bent radially inwardly to form a bearing surface for a tear-off foil. By flanging the conically enlarged end, an annular flange is created to receive a body of a can.

    摘要翻译: 用于制造平坦的钣金零件中的环形部分以形成罐盖的盖子。 在该金属板部分的一侧上设有可热封的涂层,然后将其形成为圆筒形管,其中涂层位于内侧。 管的轴向延伸的边缘连接在一起以形成对接,并且其内表面压靠冷却板。 然后通过激光射流产生对接焊缝。 管分离成相等长度的管部分,并且在一端各自锥形扩大。 每个管段的另一端径向向内弯曲以形成撕裂箔的支承表面。 通过对圆锥形扩大的端部进行折边,形成环形凸缘以容纳罐体。

    Can lid
    4.
    发明授权
    Can lid 失效

    公开(公告)号:US06601727B2

    公开(公告)日:2003-08-05

    申请号:US09986567

    申请日:2001-11-09

    IPC分类号: B65D1734

    摘要: The invention relates to a can lid consisting of a lid ring and a lid membrane having an end face, wherein the lid ring has an annular flange configured as a flattened roll on its inner periphery and surrounding an opening, the end face of said annular flange being directed radially outward and the lid membrane being connected with the annular flange so as to be flat for sealing the opening. A can lid designed according to the present invention should result in fewer injuries during normal handling and should be more resistant to corrosion as a result of the folding under of the peripheral area of the lid membrane.