Preform post-mold cooling method and apparatus
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United States of America Patent
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Jan 9, 2001
Issued Date -
N/A
app pub date -
Jul 20, 1998
filing date -
Mar 31, 1998
priority date (Note) -
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Abstract
The present invention relates to an improved method and apparatus for injection molding and cooling molded articles such as preforms so as to avoid crystallinity. The apparatus and method make use of a take-off plate for removing articles from a mold, which plate may include heat transfer devices for cooling exterior surfaces of the molded articles or preforms, and a system for cooling in a controlled manner interior surfaces of the molded articles or preforms.
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