Screw cap with attached seal
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United States of America Patent
Stats
-
Mar 2, 1999
Issued Date -
N/A
app pub date -
Jul 21, 1997
filing date -
Jul 20, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bottle cap with a gas barrier seal for use in combination with the screw threaded neck of a carbonated beverage container and the like, having a body formed with an annular skirt and an end wall and a relatively stiff, high gas barrier, circular seal having a diameter greater than the outside diameter of the neck of the container where the seal is inserted adjacent the end wall into the cap body which includes a frusto-conical bead clamping element having a cone angle equal to or less than 90.degree. and an annular rib to prevent lateral displacement of the circular seal.
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