Leakproof vented beverage lid
First Claim
Patent Images
1. A lid assembly for a beverage container, comprising:
- a thermoformed plastic press fit lid for creating a seal on a container;
a filter mounted on said lid, said filter comprising a hydrophobic filter material which allows the passage of air through said filter and which inhibits the passage of a beverage through said filter; and
wherein said lid, when attached to a beverage container, allows passage of gases and prevents passage of the beverage.
0 Assignments
0 Petitions
Accused Products
Abstract
A disposable plastic lid is formed with a vent hole. A filter formed of a hydrophobic material such as polytetrafluoraethylene is mounted over the vent hole. The pore size of the filter material is selected to allow for the free passage of air and to inhibit or block the passage of liquids such as water.
109 Citations
26 Claims
-
1. A lid assembly for a beverage container, comprising:
-
a thermoformed plastic press fit lid for creating a seal on a container; a filter mounted on said lid, said filter comprising a hydrophobic filter material which allows the passage of air through said filter and which inhibits the passage of a beverage through said filter; and wherein said lid, when attached to a beverage container, allows passage of gases and prevents passage of the beverage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. A lid assembly for a beverage container, comprising:
-
a thermoformed plastic press fit lid having a top portion surrounded by a U-shaped channel for forming a press fit seal on the beverage container, and a vent hole formed through said top portion; and a filter mounted on said lid and covering said vent hole, said filter comprising a hydrophobic material, said filter defining a plurality of micropores dimensioned to allow the passage of atmospheric air through said filter and to prevent the passage of liquid water through said filter; and wherein said lid, when attached to a beverage container, allows passage of gases and prevents passage of the beverage. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
-
Specification