Preform assembly, container assembly and method of manufacture
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United States of America Patent
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Dec 4, 2007
Grant Date -
Jan 6, 2005
app pub date -
Jul 3, 2003
filing date -
Jul 3, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A finish on a hollow plastic preform or container includes a neck that is at least partially of crystallizable polymer construction and is at least partially crystallized, and a finish ring externally secured over the neck. The neck preferably is of molded plastic construction, and preferably is stretched subsequent to molding but prior to external securement of the finish ring. In the preferred embodiments of the invention, the preform or container has an integral body, and the neck is integrally molded with the body. The finish ring preferably has at least one external thread for securement of a closure to the container after molding.
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