To arrange a pump type liquid injection container to be installed in a hotel and the like in which a tamper of replacing stored liquid and the like can be prevented.
A first engagement cylinder 22a is raised from an upper surface of an inward directed flange 22 at an upper end of a pump fixing cylinder 21 which is screw-fitted to an outer surface of a port neck part 4 of a container 1. A covering cylinder 31 covering an entire outer surface of the cylinder 21 is fitted to an outer surface of the cylinder 21 having the first engagement cylinder in such a way that the cylinder 31 may not be moved up and down but can be rotated. The outer surface of the first engagement cylinder 22a and the inner surface of a second engagement cylinder 32 covering the outer surface of the first engagement cylinder and formed by a part of the covering cylinder are provided with the first and second engagement teeth 26, 33. The first and second engagement teeth 26, 33 have engagement surfaces 26a, 33a of saw-teeth cross sectional surface and inclined surfaces 26b, 33b, where the engagement surfaces 26a, 33a are engaged when they are screw-fitted with the port neck part and in turn the inclined surfaces 26b, 33b are contacted with them and slid when the threadable engaged state is disengaged.
WO/2014/129887 | THERMOFORMED CONTAINER WITH LID |
WO/2016/160709 | SEALED CONTAINER |
WO/2021/108506 | FOIL FREE TABBED SEAL |
Next Patent: LID MEMBER AND FOOD PACKAGING MEMBER