Plastic baby bottles, other blow molded articles, and processes for their manufacture
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United States of America Patent
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Oct 16, 2012
Grant Date -
May 21, 2009
app pub date -
Nov 20, 2008
filing date -
Nov 21, 2007
priority date (Note) -
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Abstract
The invention is generally directed to baby bottles and other articles produced by blow molding from polymeric materials having glass transition temperatures ranging from 100° C. to 130° C., as well as to processes for producing them. These articles can be exposed to boiling water and can be produced by using a suitable combination of a stretch ratio of less than 3 and a preform temperature at least 20° C. greater than the glass transition temperature (Tg) of the polymeric material.
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Family
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