Bottles and jars – Closures – Barrier permeable to gas and impermeable to liquid
Patent
1986-04-28
1987-03-10
Norton, Donald F.
Bottles and jars
Closures
Barrier permeable to gas and impermeable to liquid
B65D 5116
Patent
active
046485198
ABSTRACT:
A container or bottle closure in the form of a one-piece cap. The cap is formed with a flat top and a depending skirt having means for attachment to the container neck such as internal threads which mate with complementary threads on the container. An annular flange depends downwardly from the cap top to act as a sealing between the closure and the container. A vent is provided through the cap top to equalize the container pressure to atmospheric pressure. The vent takes the form of a plurality of orifices created by a laser beam which produces a hole of a diameter of 0.003 inches or less. Gas may flow equally well from the inside of the container outwardly or from the outside of the container inwardly, depending upon the pressure difference. The orifice diameter is sufficiently small to prevent the flow of a liquid product through the holes under the same pressure difference.
REFERENCES:
patent: 3951293 (1976-04-01), Schulz
patent: 4093105 (1978-06-01), Russell et al.
Groh Irvin L.
Norton Donald F.
Sunbeam Plastics Corporation
LandOfFree
Vented closure does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Vented closure, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vented closure will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1017208