Method of aseptic packaging and closing containers
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United States of America Patent
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Oct 8, 1991
Issued Date -
N/A
app pub date -
Jul 3, 1990
filing date -
May 14, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A packaging container is closed by using a double seam 152 to secure over the container body 70 a cover 74 of smaller diameter than is usual, creating a radial space 104 around the cover chuck wall 122 into which the body sidewall 72 is deformed to form a neck 76. The cover is initially placed on the body to form a sealable interface 142 therebetween, this interface being preserved throughout the seaming process. The body and/or the cover may be of plastics or metal or a laminated material. In an aseptic packaging process, a primary seal is created at the interface 142 under sterile conditions, seaming subsequently being carried out under non-sterile conditions.
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