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US 5,205,430 AGranted
Plastic container closure
OwnerEmery I. Valyiinventor
Life of this patent
Estimating the term…
Abstract
Plastic closure having a lid with a rim suitable for engagement with a plastic container to close said container, with the lid having an access opening therein, and a barrier liner adhered to the underside of the lid and having a raised portion thereof extending through the access opening. A cap is provided adjacent the top of the lid operative to cut the raised portion and form a closable opening.
Claims17
A plastic container closure for plastic containers which comprises:
- a plastic lid having top and bottom surfaces and a peripheral rim suitable for engagement with a plastic container to close said container, said lid having an access opening therein;
- a barrier liner adjacent the bottom surface of the lid, said barrier liner having a raised portion extending through the access opening of the lid;
- and movable means adjacent the top surface of said lid operative to provide an opening in the liner corresponding to the access opening in a first position of said movable means and to close said opening in a second position of said movable means.
Dependencies are inferred from the claim text.