Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Flash or sprue removal type
Reexamination Certificate
2009-07-14
2011-10-04
Lee, Edmund H. (Department: 1744)
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Flash or sprue removal type
C264S163000, C264S320000, C264S296000, C264S322000
Reexamination Certificate
active
08029712
ABSTRACT:
Mandrel supported IV tubing is inserted within a mold of a mold assembly to heat the IV tubing and form a tapered end of the tubing. The tip of the tubing extending beyond the tapered end of the tubing is severed by the mandrel bearing against the mold to lodge the tip in an outlet of the mold. Cooling air is introduced to the mold assembly to cool the mold and to create a flow of turbulent air about the outlet of the mold to extract the severed tips. The turbulent air is exhausted through a channel, pipe and fitting into a collection chamber and causes translation of the severed tip to and into the collection chamber. Sensors may be incorporated to sense the translation of the severed tips.
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Engineering & Research Associates, Inc.
Lee Edmund H.
The von Hellens Law Firm, Ltd.
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