Injection mold having an in-mold lid closing device
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United States of America Patent
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Feb 23, 2021
Grant Date -
Feb 1, 2018
app pub date -
Feb 18, 2016
filing date -
Mar 12, 2015
priority date (Note) -
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Abstract
An injection mold for molding a flip-top closure having a body portion and a lid attached to the body portion by a living hinge has first and second mold portions for defining first and second portions of the flip-top closure respectively, a lid closing tool for closing the lid of the flip-top closure on the body portion after a molding of the flip-top closure in the injection mold and before an ejection of the flip-top closure from the injection mold, and first and second linear actuators operatively connected to the lid closing tool for moving the lid closing tool about first and second axes respectively. The first and second linear actuators are controllable to move the lid closing tool along a lid closing path for closing the lid. An in-mold lid closing device and a method for making a flip-top closure are also disclosed.
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