JPH0178517U

JPH0178517U -

Info

Publication number: JPH0178517U
Application number: JP1987174511U
Authority: JP
Priority date: 1987-11-17
Filing date: 1987-11-17
Publication date: 1989-05-26

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例による金属缶用プル
オープン中蓋の構造を示した中央縦断面図、第２
図は第１図を上から見た平面図、第３図は第１図
を下から見た底面図、第４図は前記中蓋の金属缶
に対する嵌合状態図、第５図乃至第８図は前記中
蓋を上から押込んで嵌合させる状態を順次に示し
た作用説明図である。Ａ……金属缶、Ｃ……缶開口端のカーリング部
、１……周側壁、２……環状の破断溝、３……天
板、３ａ……蓋天板部、４……リング状把手、５
……天板補強用リブ、６……シール溝、７……フ
ランジ部、８……掛止片折り収め用の環状溝、９
……鍔状掛止片、９ａ……同掛止片の基端連設部
。 Fig. 1 is a central vertical sectional view showing the structure of a pull-open inner lid for metal cans according to an embodiment of the present invention;
The figure is a plan view of FIG. 1 viewed from above, FIG. 3 is a bottom view of FIG. 1 viewed from below, FIG. 4 is a diagram of the inner lid fitted to the metal can, and FIGS. The figures are operation explanatory diagrams sequentially showing states in which the inner lid is pushed in from above and fitted. A...Metal can, C...Curling portion at the opening end of the can, 1...Surrounding wall, 2...Annular breaking groove, 3...Top plate, 3a...Lid top plate portion, 4...Ring-shaped handle ,5
... Rib for reinforcing the top plate, 6 ... Seal groove, 7 ... Flange section, 8 ... Annular groove for folding the hanging piece, 9
. . . Flange-shaped hooking piece, 9a... Proximal end connecting portion of the hooking piece.

Claims

[Scope of utility model registration request]

A pull-open inner lid for metal cans that is integrally molded from a soft synthetic resin such as polyethylene or polypropylene, and is fitted inside the can opening along the inner periphery of the open end curling part C of the metal can A. side wall 1
, a top plate 3 integrated with the peripheral side wall 1 provided with a handle 4 for cutting off the lid top plate portion 3a along the annular breaking groove 2; Can A
a flange portion 7 surrounding a seal groove 6 having a substantially semicircular cross-sectional shape that is engaged with the curling portion C at the opening end of the flange portion 7; It consists of an annular groove 8 for storage, and a flange-like locking piece 9 that can be bent upward from a proximal end connecting part 9a that protrudes outward from the lower end position of the annular groove 8. This brim-shaped hooking piece 9 comes into contact with the can curling part C when the lid is pushed in, and the proximal end connecting part 9a
The can passes through to the lower position of the can curling part C while bending upward from the can, and when the curling part C engages with the seal groove 6 under the flange 7, it expands in the outer radial direction by elastic restoring action and is hooked. A pull-open inner lid for a metal can, characterized in that the tip of the stopper piece is configured to abut and engage with the lower stepped surface of the curling part C and the inner circumferential surface of the can.