Title:
AUTOMATIC CAP OPENING AND CLOSING DEVICE FOR A LIQUID CONTAINER
Document Type and Number:
WIPO Patent Application WO/2020/235737
Kind Code:
A1
Abstract:
The present invention relates to an automatic cap opening and closing device for a liquid container, characterized by comprising : a container (50) containing liquid contents; a cap(60), as a cylindrical member screwed to an inlet of the container (50), having a female screw portion (61), on the inner circumference thereof, screwed to a male portion (51) of the inlet of the container (50); a valve support (70), as a cylindrical member coupled and fixed to an inner side wall (62) of the female screw portion (61) of the cap (60), having a lower part which is opened and an upper part having a central hole (71) formed at the center thereof; and an opening and closing valve (80), as an arcuate flexible member inserted in the valve support (70), having an upper end central cross protrusion (81) inserted into the central hole (71) and a lower end central protrusion (82) inserted into a discharge hole (63) formed at a center of a lower surface of the cap (60) so as to open and close the discharge hole (63).
The present invention may automatically discharge and close the contents within the container even without separating the cap which is a lid of the container , may conveniently seal the cap such that contents do not leak even when the container is pressed during distribution or travel, and, during use, sealing may be released so as to enable the contents to be automatically discharged with only a push of the container and the cap may be closed . Additionally, the present invention can be applied to liquid containers having various exterior shapes other than just an oval shape and a circular shape to which containers in the conventional art are limited.
Inventors:
LEE YOUNG JOO (KR)
LEE JI HOON (KR)
LEE JI HOON (KR)
Application Number:
PCT/KR2019/007114
Publication Date:
November 26, 2020
Filing Date:
June 13, 2019
Export Citation:
Assignee:
LEE YOUNG JOO (KR)
LEE JI HOON (KR)
LEE JI HOON (KR)
International Classes:
B65D47/20; B65D35/46; B65D43/02; B65D47/06
Foreign References:
| JP2004161343A | 2004-06-10 | |||
| KR101542590B1 | 2015-08-06 | |||
| JP2001309816A | 2001-11-06 | |||
| KR101357310B1 | 2014-02-03 | |||
| US20140231466A1 | 2014-08-21 |
Attorney, Agent or Firm:
WOO, Deok Keun (KR)
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