CHECK VALVE, CHECK VALVE ASSEMBLY, AND CHECK VALVE-EQUIPPED CONTAINER

Title:

CHECK VALVE, CHECK VALVE ASSEMBLY, AND CHECK VALVE-EQUIPPED CONTAINER

Document Type and Number:

WIPO Patent Application WO/2015/033983

Kind Code:

A1

Abstract:

[Problem] To provide a check valve that prevents, as much as possible, decreases in a check valve function that are caused by the accumulation of a content substance and that makes it possible to easily dispense a content substance to a desired dispensing destination. [Solution] A check valve (1) according to one embodiment of the present invention is provided with: a spout member (2) that comprises a flow path (F1) in the interior thereof and in which one end of the flow path (F1) opens as a container dispensing port (2a) at an external end section; a biasing member (3) that is supported by a base end section (3a) at the inner end section of the spout member (2); a valve (4) that is connected to the tip section (3b) of the biasing member (3); and a cylindrical member (8) that comprises a flow path (F2) in the interior thereof and a valve seat (7) that is provided to the inner circumferential surface thereof and that causes the valve (4) to be sealably seated. The valve (4) and the biasing member (3) are inserted in the cylindrical member (8) and the spout member (2) is fixed to the cylindrical member (8) so that the valve (4) is biased toward the valve seat (7) by the biasing member (3). A discharge path (F) is configured by connecting the flow path (F1) and the flow path (F2) so that the content substance of the container is discharged therefrom.

Inventors:

UMENAKA KAZUHIRO (JP)
MORIYAMA YUICHIRO (JP)

Application Number:

PCT/JP2014/073259

Publication Date:

March 12, 2015

Filing Date:

September 03, 2014

Export Citation:

Click for automatic bibliography generation Help

Assignee:

HOSOKAWA YOKO KK (JP)

International Classes:

B65D33/38; B65D75/58

Foreign References:

JPH07277353A	1995-10-24
JP2004131159A	2004-04-30
JP2006264759A	2006-10-05
US20030047572A1	2003-03-13
JPS6394153U	1988-06-17
JPS5353522Y2	1978-12-21
KR20090086736A	2009-08-14
JP2009078848A	2009-04-16
JPS628937U	1987-01-20
JP2014118195A	2014-06-30
JPH0680655U	1994-11-15
JPH09240701A	1997-09-16
JP2006076615A	2006-03-23

Other References: