公开(公告)号：US20240308736A1

公开(公告)日：2024-09-19

申请号：US18263741

申请日：2022-02-08

申请人： SOCIETE DES PRODUITS NESTLE S.A.

发明人： RONGHE LOU ,  WENHUI XIAO ,  LUKE ZHENG ,  XIANGNAN HE

IPC分类号： B65D49/04 ,  B65D41/32 ,  B65D41/34 ,  B65D51/18

CPC分类号： B65D49/04 ,  B65D41/325 ,  B65D41/3447 ,  B65D51/18 ,  B65D2401/15

摘要： A separate bottle cap comprising a bottle body connector (1), an outer cap (2), an anti-backflow assembly (3) and an inner cap (4), wherein the bottle body connector (1) is a hollow cylinder, a lower end thereof is fit and connected to a bottle body, the anti-backflow assembly (3) is provided between the bottle body connector (1) and the inner cap (4), a lower end of the outer cap (2) is sleeved on the anti-backflow assembly (3) and locks an inner wall of the bottle body connector (1), and the outer cap (2) is provided on the inner cap (4), wherein the anti-backflow assembly (3) comprises a piston anti-backflow water blocking member (31) and a water sealing connector (32), and the piston anti-backflow water blocking member (31) is movably connected with the water scaling connector (32).