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1. (WO2018037979) PREFORM COVER, COMPLEX PREFORM, MANUFACTURING METHOD OF CONTAINER

Pub. No.:    WO/2018/037979    International Application No.:    PCT/JP2017/029442
Publication Date: Fri Mar 02 00:59:59 CET 2018 International Filing Date: Thu Aug 17 01:59:59 CEST 2017
IPC: B29C 49/22
B29B 11/04
B29C 49/02
Applicants: KYORAKU CO., LTD.
キョーラク株式会社
Inventors: IZUMIHARA, Keisuke
泉原 圭輔
Title: PREFORM COVER, COMPLEX PREFORM, MANUFACTURING METHOD OF CONTAINER
Abstract:
A complex preform is provided which can improve operability when mounting a preform cover on a preform. This complex preform is provided with a cylindrical preform and a cylindrical preform cover. The preform cover has an insertion end, which is the end on the side where the inserting end of the preform is inserted. The preform cover is mounted on the preform by insertion of the inserting end of the preform into the insertion end of the preform cover and by relative movement of the insertion end to a prescribed position of the preform. The sliding resistance between the preform and the preform cover in a first state, which is up to when the insertion end reaches an immediately preceding position, which is a position immediately preceding the aforementioned prescribed position, is less than the sliding resistance between the preform and the preform cover in a second state, which is after the insertion end has gone beyond the aforementioned immediately preceding position.