US 7,578,668 B2
Mold assembly having a pressure reducing device
Gerald A. Hutchinson, Coto De Caza, Calif. (US); Robert A. Lee, Bowdon Cheshire (United Kingdom); and Heinrich K. Feichtinger, Hinteregg (Switzerland)
Assigned to Advanced Plastics Technologies Luxembourg S.A., Luxemborg (Luxembourg)
Filed on Nov. 30, 2007, as Appl. No. 11/948,864.
Application 11/948864 is a continuation of application No. 11/149984, filed on Jun. 10, 2005, granted, now 7,303,387.
Claims priority of provisional application 60/654554, filed on Feb. 18, 2005.
Claims priority of provisional application 60/578501, filed on Jun. 10, 2004.
Prior Publication US 2008/0138455 A1, Jun. 12, 2008
This patent is subject to a terminal disclaimer.
Int. Cl. B29C 45/78 (2006.01)
U.S. Cl. 425—547  [425/552; 425/577] 26 Claims
OG exemplary drawing
 
1. A mold comprising:
a core section having a core surface;
a cavity section having a cavity surface, a mold cavity being defined by the core surface and the cavity surface when the mold is in a closed position;
at least one fluid channel being disposed within one of the core section and the cavity section; and
a pressure reducing device in fluid communication with the fluid channel, the pressure reducing device being configured to receive and at least partially vaporize a volume of a refrigerant.