JPH0225458U

JPH0225458U -

Info

Publication number: JPH0225458U
Application number: JP10239488U
Authority: JP
Priority date: 1988-08-03
Filing date: 1988-08-03
Publication date: 1990-02-20
Anticipated expiration: 2003-08-03
Also published as: JP2517860Y2

Description

[Brief explanation of drawings]

第１図は、本考案に従つて構成された容器蓋の
一具体例を示す斜視図。第２図は、第１図の容器
蓋を示す断面図。第３図は、第１図の容器蓋の内
側を示す斜視図。第４図は、第１図の容器蓋を容
器の口頚部に装着した状態を、一部を断面で示す
側面図。第５図は、比較例において使用された容
器を示す部分断面図。２……容器蓋、４……主側壁、６……開口、８
……排液筒、１０……排液流路、１０ｕ……排液
流路（排液筒）上流部、１０ｄ……排液流路（排
液筒）下流部、１８……弾性圧潰部、３４……戻
し溝、３６……戻し突条、３８……容器本体、４
０……容器本体口頚部。 FIG. 1 is a perspective view showing a specific example of a container lid constructed according to the present invention. FIG. 2 is a sectional view showing the container lid of FIG. 1. 3 is a perspective view showing the inside of the container lid of FIG. 1; FIG. FIG. 4 is a side view, partially in cross section, of the container lid shown in FIG. 1 attached to the mouth and neck of the container. FIG. 5 is a partial sectional view showing a container used in a comparative example. 2... Container lid, 4... Main side wall, 6... Opening, 8
... Drain pipe, 10... Drain channel, 10u... Upstream part of the drain channel (drain pipe), 10d... Downstream part of the drain pipe (drain pipe), 18... Elastic crushing part , 34...Return groove, 36...Return protrusion, 38...Container body, 4
0... Container body mouth and neck.

Claims

[Claims for Utility Model Registration] 1. In a container lid comprising an elongated drain tube and an elastic crushing part that is pressed to drain an appropriate amount of liquid through the drain tube, the upstream part of the drain tube A container lid characterized in that a flow passage cross-sectional area Au is smaller than a flow passage cross-sectional area Ad at a downstream portion. 2 The flow path cross-sectional area Ad of the downstream part of the drain tube is 3.0
8.0 mm ² and the cross-sectional area of the upstream passage Au
is 1.0 to 2.0 ^mm2 , claim 1 or 2.
Container lid as described. 3 an upright cylindrical sidewall, the drain extending radially outwardly from an opening formed in the sidewall, the resilient collapse portion being disposed above the sidewall, and an inner surface of the sidewall; 3. The container lid according to claim 1, wherein a pair of return protrusions extending vertically on both sides of the opening are formed on the container lid. 4. The container lid according to any one of claims 1 to 3, wherein a return groove extending downward from the opening is formed on the inner surface of the side wall. 5. A container lid according to any one of claims 1 to 4, wherein the drain tube extends radially outwardly at an upwardly inclined angle of 5 to 30 degrees.