「環境調和性」と「易開封性」に配慮したPETボトルロ部形状の開発

摘要

PETボトル口部形状開発において，「環境調和性」•「易開封性」などの社会•お客様•企業それぞれがメリットを享受できるCSVの実現を開発目的とした結果，(1) キャップとの密封性を確保しつつ，口部重量が従来比▲13.5%となる軽量化を達成した。(2) 軽量口部のネジ部について，キャップとの接触面積をできる限り小さくしつつ，密封性を確保することで，開栓トルクが18～30%程度低下し，「易開封性」の向上を達成した。%(1) For the development of the neck finish, we paid a keen attention to Creating Shared Value form the viewpoints of social, consumers' and Kirin's own benefits (2) The weight of the neck finish was reduced by 13.5%, compared to conventional PCO 1810 type, and could seal the bottle with conventional closures. This leads to the decrease of environmental burden. (3) The removal torque of a closure from this neck finish was reduced by 18-30%, compared to conventional PCO 1810 type. This enhances usability for consumers. (4) No modification to existing facilities was required both for transportation and filling/ sealing, leading to reasonable cost saving.