Nonrefillable > Guard or valve type > Valves > Patents

Resources

Home

Browse by:

Browse by Category: Main > Packaging & Containers

Class Information
Number: 215/18
Name: Bottles and jars > Nonrefillable > Guard or valve type > Valves
Description: Nonrefillable receptacles in which the novelty lies particularly in a valve construction. The valves are adapted to allow outflow of the contents, but prevent refilling.

Sub-classes under this class:

Class Number	Class Name	Patents
215/25	Multiple type	3
215/20	Single type float controlled	1
215/21	Single type gravity controlled	23
215/19	Single type spring controlled	2

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6817479	Closure and a liner having a sealing flange with an inwardly directed unflattened fold	Nov. 16, 2004
6059131	Removable pressure releasing system	May. 9, 2000
5971179	Non-refilling devices	Oct. 26, 1999
4543980	Valve for pressurized containers	Oct. 1, 1985