05996845 is referenced by 101 patents and cites 7 patents.

The present invention relates to a self-closing liquid dispensing package comprising a liquid container and a self-closing flat channel valve in liquid communication with liquid container, wherein the liquid container comprises a reservoir portion for containing liquid. The reservoir portion is made of a thermoformed thermoplastic material. In one preferred embodiment of the present invention, the self-closing flat channel valve is in liquid communication with the container via a connection portion wherein the connection portion comprises a stiffening crease. The package of the present invention is useful for multiple use of various liquid products having a wide range of viscosity.

Title
Self-closing liquid dispensing package
Application Number
146676
Publication Number
5996845
Application Date
November 2, 1995
Publication Date
December 7, 1999
Inventor
John G Chan
Hyogo
JP
Agent
William Scott Andes
Jack L Oney Jr
Assignee
The Procter & Gamble Company
OH, US
IPC
B65D 35/08
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