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1. (WO2018163393) SYNTHETIC RESIN CAP AND CONTAINER

Pub. No.:    WO/2018/163393    International Application No.:    PCT/JP2017/009640
Publication Date: Fri Sep 14 01:59:59 CEST 2018 International Filing Date: Sat Mar 11 00:59:59 CET 2017
IPC: B65D 41/34
Applicants: NIHON YAMAMURA GLASS CO., LTD.,
日本山村硝子株式会社
Inventors: CHIBA Takahiro
千葉 隆宏
KAWAMURA Nobuo
川村 伸生
ONO Junji
小野 淳史
UMEKI Shingo
梅木 慎吾
Title: SYNTHETIC RESIN CAP AND CONTAINER
Abstract:
Provided are a synthetic resin cap and a container with which it is possible to improve opening operability while establishing excellent properties for showing evidence of tampering. A cap 1 equipped with a skirt wall 3 in which there is provided a female screw 5 threadably mounted on a male screw M1 formed on the outer periphery of a container opening M, and a band 7 connected to the lower part of the skirt wall with an annular weakened part 6 interposed therebetween, wherein: a plurality of hooks 8 capable of locking, from below, an annular projection 9 provided to the outer periphery of the container opening is provided to the inner-peripheral side of the band at intervals in the circumferential direction; a protruding part 10 that protrudes inward from the band above the hooks and that protrudes by an amount less than that of the hooks extends on the inner-peripheral side of the band; an inclined part 11 of which the inner diameter increases in correlation with greater height above the protruding part is provided to the inner-peripheral side of the band; and the inclined part extends from the upper end thereof toward the upper end of the protruding part such that the inner diameter decreases at a gradient θ of 35-45°m and the axial-direction length h5 of the inclined part is 0.2-0.8 mm.