Bottles and jars – Closures – Barrier permeable to gas and impermeable to liquid
Patent
1996-04-23
1999-11-23
Cronin, Stephen K.
Bottles and jars
Closures
Barrier permeable to gas and impermeable to liquid
215308, 220371, 220372, 220373, B65D 5300
Patent
active
059884142
ABSTRACT:
A lid is disclosed having a pressure compensation device comprising a gas permeable, liquid impermeable membrane and a surge protection element comprising a gas permeable material which serves to break the surge pressure exerted on the membrane by the container contents. The lid is designed as an injection molded plastic part with the membrane being integrated in an upper cover portion of the lid by injection molding.
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Schwarz Robert
Wiemer Thorsten
Cronin Stephen K.
Lewis White Carol A.
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