Apparatus and method for reforming the neck finish end surface of a blow molded plastic container
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United States of America Patent
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Oct 14, 2008
Grant Date -
Feb 16, 2006
app pub date -
Aug 10, 2004
filing date -
Aug 10, 2004
priority date (Note) -
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Abstract
An apparatus for reforming an annular end sealing surface of a molded plastic container includes a head having an annular contact surface and a drive for bringing the annular contact surface into contact with the annular end sealing surface of the container. The head and the container do not rotate relative to each other during this contact reforming operation. Heat is applied through the contact surface to the end sealing surface while the surfaces are in contact to raise the temperature at the end sealing surface to at least the softening temperature of the plastic material, so that the end sealing surface is softened and reformed by heat and contact with the contact surface.
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