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Priority to JP12033787UpriorityCriticalpatent/JPS6426257U/ja
Publication of JPS6426257UpublicationCriticalpatent/JPS6426257U/ja
第１図は、本考案のキヤツプの一部断面側面図 を示す。
FIG. 1 shows a partially sectional side view of the cap of the present invention.
Claims (1)
【実用新案登録請求の範囲】
容器首部と係合するための螺子部を内面に有す るポリプロピレン製樹脂キヤツプにおいて、
該螺子部表面は、ＪＩＳ Ｂ ０６５１に基づ いて測定した表面粗さが２乃至６μｍの範囲にあ ることを特徴とするポリプロピレン製樹脂キヤツ プ。[Claims for Utility Model Registration] A polypropylene resin cap having a threaded portion on the inner surface for engaging with the neck of the container, the surface of the threaded portion having a surface roughness of 2 to 6 μm as measured based on JIS B 0651. A polypropylene resin cap featuring a range of