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Patent Searching and Data


Title:
CHECK VALVE AND CONTAINER WITH CHECK VALVE
Document Type and Number:
WIPO Patent Application WO/2014/098079
Kind Code:
A1
Abstract:
Provided are a check valve and a container with a check valve for effectively preventing suctioning of external air and dripping of contained liquid and with which the content extrusion volume and rate can be freely adjusted. The check valve (1) of an embodiment is provided with a housing member (10) in which a liquid passageway is formed and a valve member (20) that is disposed inside the housing member (10). A valve seat (11) is provided on the inner circumferential surface of the housing member (10). The valve member (20) comprises: a valve body (21), which sits on the seat surface (11a) of the valve seat (11) so as to allow sealing; a pressing member (22), which is supported by the housing member (10) and presses the valve body (21) onto the seat surface (11a) of the valve seat (11); and a valve-driving member (23), which is connected to the valve body (21) and is for driving the valve body (21) in opposition to the pressing force of the pressing member (22). An operating member (30), which is configured to allow operation of the valve-driving member (23) so that the valve body (21) of the valve member (20) separates from the seat surface (11a) of the valve seat (11), is provided.

Inventors:
ICHIKAWA TORU (JP)
HARA TSUTOMU (JP)
TAHARA TOMIO (JP)
Application Number:
PCT/JP2013/083750
Publication Date:
June 26, 2014
Filing Date:
December 17, 2013
Export Citation:
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Assignee:
HOSOKAWA YOKO KK (JP)
International Classes:
B65D75/58; B65D33/38
Domestic Patent References:
WO2006028139A12006-03-16
Foreign References:
JP2009196695A2009-09-03
US20050028870A12005-02-10
JPS623449U1987-01-10
GB2327932A1999-02-10
EP1676784A12006-07-05
JP2004059071A2004-02-26
JP2006076615A2006-03-23
JP2000084042A2000-03-28
Other References:
See also references of EP 2937293A4
Attorney, Agent or Firm:
KATSUNUMA Hirohito et al. (JP)
Katsunuma Hirohito (JP)
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